Ib Friis

Ib Friis

Professor, emeritus


  1. Published

    "Forest trees of north east tropical Africa (Ethiopia, Djibouti and Somalia)" - an atlas project

    Friis, Ib, 1988, In: Missouri Botanic Gardens Monographs. 25, p. 543 - 553

    Research output: Contribution to journalJournal articleResearchpeer-review

  2. Published

    (1883) Proposal to reject the name Ficus taab Forssk. (Moraceae)

    Friis, Ib, 2009, In: Taxon. 58, 1, p. 309-310

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    (2028) Proposal to conserve the name Stichorkis (Orchidaceae, Malaxideae) with a conserved type

    Schuiteman, A., Pedersen, Henrik Ærenlund & Friis, Ib, 2011, In: Taxon. 60, 5, p. 1521-1522

    Research output: Contribution to journalComment/debateResearchpeer-review

  4. Published

    (2993) Proposal to reject the name Urtica fruticosa (Urticaceae)I

    Friis, Ib, Wilmot-Dear, C. M. & Moore, A., 2023, In: Taxon. 72, 5, p. 1130 1 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    (3001) Proposal to conserve the name Jatropha pelargoniifolia against Adenoropium forskaolii (Euphorbiaceae)

    Friis, Ib & Thulin, M., 2023, In: Taxon. 72, 6, p. 1373-1374

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    1. Bohmeria Jacq.

    Wilmot-Dear, C. M., Friis, Ib & Monro, A. K., 2015, Flora Mesoamericana: Saururaceae a Zygophyllaceae. Davidse, G., Sousa, M., Knapp, S., Chiang, F., Ulloa, C. U. & Barrie, F. R. (eds.). Missouri Botanical Garden Press, Vol. 2(3). p. 117-123 7 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  7. Published

    10. Berberidaceae

    Friis, Ib, 2000, Flora of Ethiopia and Eritrea: Magnoliaceae-Flacourtiaceae. Edwards, S., Tadesse, M., Demissew, S. & Hedberg, I. (eds.). Uppsala, Sweden & Addis Ababa, Ethiopia: University of Uppsala, Vol. 2, 1. p. 41

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  8. Published

    100. Sapindaceae

    Friis, Ib & Vollesen, K., 1999, Flora of Somalia: Angiospermae (Tiliaceae-Apiaceae). Thulin, M. (ed.). England: Royal Botanic Gardens, Vol. 2. p. 239-253

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  9. Published

    101. Ptaeroxylaceae

    Friis, Ib & Vollesen, K., 1999, Flora of Somalia: Angiospermae (Tiliaceae-Apiaceae). Thulin, M. (ed.). England: Royal Botanic Gardens, Vol. 2. p. 254

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  10. Published

    104. Moraceae

    Friis, Ib, 1989, Flora of Ethiopia:  Pittosporaceae to Araliaceae. Hedberg, I. & Edwards, S. (eds.). Addis Ababa & Uppsala: National Herbarium, Vol. 3. p. 271-301.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  11. Published

    105. Urticaceae

    Friis, Ib, 1989, Flora of Ethiopia: Pittosporaceae to Araliaceae. Hedberg, I. & Edwards, S. (eds.). Addis Ababa & Uppsala: Natonal Herbarium, Vol. 3. p. 302 - 326.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  12. Published

    106. Ebenaceae

    Friis, Ib, 2006, Flora of Somalia. Thulin, M. (ed.). Royal Botanic Gardens, Kew: Royal Botanic Gardens, Vol. 3. p. 6-11

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  13. Published

    107. Sapotaceae

    Friis, Ib, 2006, Flora of Somalia. Thulin, M. (ed.). Royal Botanic Gardens, Kew: Royal Botanic Gardens, Vol. 3. p. 12-18

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  14. Published

    11. Lauraceae

    Friis, Ib, 1993, Flora of Somalia. Thulin, M. (ed.). Kew, England: Royal Botanic Gardens, Vol. 1. p. 19-20

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  15. Published

    116. Solanaceae - 7. Solanum, sections 2-9

    Friis, Ib, 2006, Flora of Somalia. Thulin, M. (ed.). Royal Botanic Gardens, Kew: Royal Botanic Gardens, Vol. 3. p. 208-219

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  16. Published

    12. Negripteridaceae

    Friis, Ib, 2009, Flora of Ethiopia and Eritrea, Vol. 1: Lycopodiaceae - Pinaceae & Appendix. Hedberg, I., Friis, I. & Persson, E. (eds.). Addis Ababa; Uppsala: National Herbarium, Addis Ababa University, Vol. 1.. p. 46-48

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  17. Published

    13. Sinopteridaceae

    Friis, Ib, 2009, Flora of Ethiopia and Eritrea, Vol. 1: Lycopodiaceae - Pinaceae & Appendix. Hedberg, I., Friis, I. & Persson, E. (eds.). Addis Abeba; Uppsala: National Herbarium, Addis Abeba University, Vol. 1.. p. 49-66 17 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  18. Published

    134. Ebenaceae

    Friis, Ib & White, F., 2003, Flora of Ethiopia and Eritrea: Apiaceae to Dipsacaceae. Hedberg, I., Edwards, S. & Nemomissa, S. (eds.). Addis Ababa & Uppsala: Addis Abeba University, Vol. 4, 1. p. 49-53

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  19. Published

    135. Sapotaceae

    Friis, Ib, 2003, Flora of Ethiopia and Eritrea: Apiaceae to Dipsacaceae. Thulin, M. (ed.). Addis Ababa & Uppsala: Addis Abeba University, Vol. 4, 1. p. 54-63

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  20. Published

    14. Goniocaulon

    Friis, Ib, 2005, Flora of Ethiopia and Eritrea: Asteraceae (Compositae). Hedberg, I., Friis, I. & Edwards, S. (eds.). Addis Ababa & Uppsala: Addis Abeba University, Vol. 4, 2. p. 42-42

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  21. Published

    14. Cryptogrammaceae

    Friis, Ib, 2009, Flora of Ethiopia and Eritrea, vol. 1: Lycopodiaceae - Pinaceae & Appendix. Hedberg, I., Friis, I. & Persson, E. (eds.). Addis Abeba; Uppsala: National Herbarium, Addis Abeba University, Vol. 1.. p. 67-68 2 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  22. Published

    14. Pouzolzia Gaudich.

    Wilmot-Dear, C. M., Friis, Ib & Monro, A. K., 2015, Flora Mesoamericana: Saururaceae a Zygophyllaceae. Davidse, G., Sousa, M., Knapp, S., Chiang, F., Ulloa, C. U. & Barrie, F. R. (eds.). Missouri Botanical Garden Press, Vol. 2(3). p. 161-165

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  23. Published

    158. Solanaceae

    Friis, Ib, 2007, Flora of Ethiopia and Eritrea.: Gentianaceae to Cyclocheilaceae.. Inga, H., Kelbessa, E., Sue, E., Demissew, S. & Eva, P. (eds.). Uppsala / Addis Ababa: Addis Abeba University, Vol. 8. p. 103-160

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  24. Published

    18. Pandakia (Moq.) Hook. f. in C. Towsend, 37. Amaranthaceae

    Friis, Ib, 2000, Flora of Ethiopia and Eritrea: Magnoliaceae-Flacourtiaceae. Edwards, S., Tadesse, M., Demissew, S. & Hedberg, I. (eds.). Uppsala, Sweden & Addis Ababa, Ethiopia: University of Uppsala, Vol. 2, 1. p. 331-332

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  25. Published

    206. Marantaceae

    Lye, K. A. & Friis, Ib, 1997, Flora of Ethiopia and Eritrea: Hydrocharitaceae to Arecaveae. Edwards, S., Demissew, S. & Hedberg, I. (eds.). Uppsala: Addis Ababa and Uppsala, Vol. 6. p. 335-338

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  26. Published

    26. Thelypteridaceae

    Friis, Ib, 2009, Flora of Ethiopia and Eritrea, vol. 1: Lycopodiaceae - Pinaceae & Appendix. Hedberg, I., Friis, I. & Persson, E. (eds.). Addis Abeba; Uppsala: National Herbarium, Addis Abeba University, Vol. 1.. p. 107-120 14 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  27. Published

    3. Lauraceae

    Friis, Ib, 2000, Flora of Ethiopia and Eritrea: Magnoliaceae-Flacourtiaceae. Edwards, S., Tadesse, M., Demissew, S. & Hedberg, I. (eds.). Uppsala, Sweden & Addis Ababa, Ethiopia: University of Uppsala, Vol. 2, 1. p. 14-17

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  28. Published

    36. Chenopodiaceae

    Friis, Ib & Gilbert, M. G., 2000, Flora of Ethiopia and Eritrea: Magnoliaceae-Flacourtiaceae. Edwards, S., Tadesse, M., Demissew, S. & Hedberg, I. (eds.). Uppsala, Sweden & Addis Ababa, Ethiopia: University of Uppsala, Vol. 2, 1. p. 277-298

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  29. Published

    37. Ephedraceae

    Friis, Ib, 2009, Flora of Ethiopia and Eritrea, vol. 1: Lycopodiaceae - Pinaceae & Appendix. Hedberg, I., Friis, I. & Persson, E. (eds.). National Herbarium, Addis Abeba University, Vol. 1.. p. 184-186 3 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  30. Published

    38. Chenopodiaceae (incl. Salicorniaceae and Salsolaceae)

    Friis, Ib & Gilbert, M. G., 1993, Flora of Somalia. Thulin, M. (ed.). Kew, England: Royal Botanic Gardens, Vol. 1. p. 127-140

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  31. Published

    38. Podocarpaceae

    Sebsebe, D. & Friis, Ib, 2009, Flora of Ethiopia and Eritrea, vol. 1: Lycopodiaceae - Pinaceae & Appendix. Hedberg, I., Friis, I. & Persson, E. (eds.). Addis Abeba; Uppsala: National Herbarium, Addis Abeba University, Vol. 1.. p. 187-190 4 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  32. Published

    39. Cupressaceae

    Friis, Ib, 2009, Flora of Ethiopia and Eritrea, vol. 1: Lycopodiaceae - Pinaceae & Appendix. Hedberg, I., Friis, I. & Persson, E. (eds.). Addis Abeba; Uppsala: National Herbarium, Addis Abeba University, Vol. 1.. p. 193-199

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  33. Published

    40. Linaceae

    Friis, Ib, 2000, Flora of Ethiopia and Eritrea: Magnoliaceae-Flacourtiaceae. Edwards, S., Tadesse, M., Demissew, S. & Hedberg, I. (eds.). Uppsala, Sweden & Addis Ababa, Ethiopia: University of Uppsala, Vol. 2, 1. p. 350-354

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  34. Published

    52. Pittosporaceae

    Friis, Ib, 1993, Flora of Somalia. Thulin, M. (ed.). Kew, England: Royal Botanic Gardens, Vol. 1. p. 202-203

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  35. Published

    55. Proteaceae

    Friis, Ib, 2000, Flora of Ethiopia and Eritrea: Magnoliaceae-Flacourtiaceae. Edwards, S., Tadesse, M., Demissew, S. & Hedberg, I. (eds.). Uppsala, Sweden & Addis Ababa, Ethiopia: University of Uppsala, Vol. 2, 1. p. 436-438

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  36. Published

    60. Canellaceae

    Friis, Ib, 1995, Flora of Ethiopia and Eritrea: Canellaceae to Euphorbiaceae. Edwards, S., Tadesse, M. & Hedberg, I. (eds.). Addis Ababa and Uppsala: National Herbarium, Addis Ababa University, Vol. 2, 2. p. 1

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  37. Published

    64. Rhizophoraceae

    Friis, Ib, 1993, Flora of Somalia. Thulin, M. (ed.). Kew, England: Royal Botanic Gardens, Vol. 1. p. 254-258

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  38. Published

    72. Myrtaceae

    Friis, Ib, 1995, Flora of Ethiopia and Eritrea: Canellaceae to Euphorbiaceae. Edwards, S., Tadesse, M. & Hedberg, I. (eds.). Addis Ababa and Uppsala: National Herbarium, Addis Ababa Univerity, and Inst. för Systematisk Botanik, Uppsala University, Vol. 2, 2. p. 71-106

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  39. Published

    77. Buxaceae

    Friis, Ib, 1999, Flora of Somalia: Angiospermae (Tiliaceae-Apiaceae). Thulin, M. (ed.). England: Royal Botanic Gardens, Vol. 2. p. 83-85

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  40. Published

    81. Moraceae

    Friis, Ib, 1999, Flora of Somalia: Angiospermae (Tiliaceae-Apiaceae). Thulin, M. (ed.). England: Royal Botanic Gardens, Vol. 2. p. 91-104

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  41. Published

    82. Urticaceae

    Friis, Ib, 1999, Flora of Somalia: Angiospermae (Tiliaceae-Apiaceae). Thulin, M. (ed.). England: Royal Botanic Gardens, Vol. 2. p. 104-109

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  42. Published

    86. Pittosporaceae

    Friis, Ib, 1989, Flora of Ethiopia: Pittosporaceae to Araliaceae. Hedberg, I. & Edwards, S. (eds.). Addis Ababa & Uppsala: National Herbarium, Vol. 3. p. 1-3.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  43. Published

    Cypholophus decipiens (Urticaceae) - taxonomy and range of a species often misplaced in Boehmeria

    Wilmot-Dear, C. M. & Friis, Ib, 1998, In: Kew Bulletin. 53, 4, p. 919-927

    Research output: Contribution to journalJournal articleResearchpeer-review

  44. Published

    Dombeya kefaensis, sp.nov. (Sterculiaceae) from SW Ethiopia

    Friis, Ib & Bidgood, S., 1998, In: Nordic Journal of Botany. 18, p. 215-220

    Research output: Contribution to journalJournal articleResearchpeer-review

  45. Published

    Dombeya torrida, the correct name for James Bruce's "Walkuffa"

    Friis, Ib & Hepper, F. N., 1979, In: Botaniska Notiser. 132, p. 397-398

    Research output: Contribution to journalJournal articleResearch

  46. Published

    Dorstenia soerensenii sp. nov. (Moraceae) from SW Ethiopia, and related species

    Friis, Ib, 1974, In: Norwegian Journal of Botany. 21, p. 101-110

    Research output: Contribution to journalJournal articleResearchpeer-review

  47. Published

    Drimia sudanica, nom. nov. (Hyacinthaceae), a rare species of the Sudanian grasslands

    Friis, Ib & Vollesen, K., 1999, In: Nordic Journal of Botany. 19, 2, p. 209-212

    Research output: Contribution to journalJournal articleResearchpeer-review

  48. Published

    Garcinia buxifolia Chiov. is Buxus hildebrandtii Baill. (Buxaceae)

    Friis, Ib, 1985, In: Nordic Journal of Botany. 4, p. 747-748

    Research output: Contribution to journalJournal articleResearchpeer-review

  49. Published

    Kalanchoe hypseloleuce (Crassulaceae), a new species from eastern Ethiopia, with notes on its habitat

    Friis, Ib, Gilbert, M. G., van Breugel, P., Weber, O. & Demissew, S., Jun 2017, In: Kew Bulletin. 72, 11 p., 30.

    Research output: Contribution to journalJournal articleResearchpeer-review

  50. Published

    Linociera giordanoi (Oleaceae) - the correct name for a widespread African species

    Friis, Ib, 1975, In: Kew Bulletin. 30, p. 16-16

    Research output: Contribution to journalJournal articleResearchpeer-review

  51. Published

    Mountain botany: Studies dedicated to Olov Hedberg

    Friis, Ib (ed.), Jonsell, B. (ed.), Nordal, I. (ed.) & Thulin, M. (ed.), 1993, Danmark: Nordic Publications in Botany. 312 p. (Opera Botanica, Vol. 121).

    Research output: Book/ReportBookResearch

  52. Published

    Olea capensis L. (Oleaceae) in north-east and east tropical Africa

    Friis, Ib & Green, P. S., 1986, In: Kew Bulletin. 41, p. 36-36

    Research output: Contribution to journalJournal articleResearchpeer-review

  53. Published

    Pelargonium boranense sp. nov. (Geraniaceae)

    Friis, Ib & Gilbert, M. G., 1976, In: Flowering Plants of Africa. 43, p. Tab. 1705 + 4 pp. text

    Research output: Contribution to journalJournal articleResearchpeer-review

  54. Published

    Sansevieria forsskoliana, a new name for Sansevieria abyssinica

    Friis, Ib, 1995, In: The Sansevieria Journal. 4, p. 3-8

    Research output: Contribution to journalJournal articleResearch

  55. Published

    Sciaplea Rauschert (1982) is a synonym of Dialium L. (1767)

    Friis, Ib, 1984, In: Taxon. 33, p. 505-506

    Research output: Contribution to journalJournal articleResearchpeer-review

  56. Published

    Sesbania melanocaulis, sp.nov. (Leguminosae subfam. Papilionaceae) from SW Ethiopia

    Bidgood, S. & Friis, Ib, 1998, In: Nordic Journal of Botany. 18, 2, p. 209-213

    Research output: Contribution to journalJournal articleResearchpeer-review

  57. Published

    Alchornea cordifolia (Schumach. & Thonn.) Muell. Arg. (Euphorbiaceae), a disjunct Guineo-Congolian tree found in Ethiopia as dominant in riverine forest.

    Friis, Ib & Harris, T., Dec 2013, In: Webbia. 68, 2, p. 147-154 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  58. Published
  59. Published

    Commiphora oddurensis Chiov. and C. suffruticosa Teshome (Burseraceae): taxonomy, distribution, ecology and conservation status

    Demissew, S. & Friis, Ib, Dec 2013, In: Webbia. 68, 2, p. 133-145 13 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  60. Published

    Crotalaria trifoliolata (Leguminosae: Papilionoideae), a previously incompletely known Ethiopian endemic rediscovered after 120 years

    Friis, Ib & Weber, O., 2014, In: Kew Bulletin. 69, 4, 9 p., 9536.

    Research output: Contribution to journalJournal articleResearchpeer-review

  61. Published

    Cypholophus anisoneurus comb. nov. – an endemic species of Urticaceae from Vanuatu and Solomon Islands hitherto misplaced in Boehmeria

    Wilmot-Dear, C. M. & Friis, Ib, 2010, In: Nordic Journal of Botany. 28, 3, p. 285-287 3 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  62. Published

    Debregeasia australis sp. nov. (Urticaceae), with a new synopsis of and a new key to the genus

    Wilmot-Dear, C. M. & Friis, Ib, 19 Jun 2012, In: Edinburgh Journal of Botany. 69, 2, p. 301–311 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  63. Published

    Euphorbia venefica Trémaux ex Kotschy (Euphorbiaceae) and other shrub-like cylindrically stemmed Euphorbia with spirally arranged single spines

    Weber, O., Atinafe, E., Awas, T. & Friis, Ib, 2020, In: Societe des Naturalistes Luxembourgeois. Bulletin. 122, p. 57-82

    Research output: Contribution to journalJournal articleResearchpeer-review

  64. Published

    Pilea nguruensis (Urticaceea), a new species from the Eastern Arc Mountains, central Tanzania

    Friis, Ib, Darbyshire, I., Wilmot-Dear, C. M. & Luke, W. R. Q., 2015, In: Kew Bulletin. 70, 5 p., 24.

    Research output: Contribution to journalJournal articleResearchpeer-review

  65. Published

    Pouzolzia floresiana (Urticaceae), a new species from Flores, Nusa Tenggara Timur (Lesser Sunda Islands), Indonesia

    Wilmot-Dear, C. M. & Friis, Ib, Jul 2012, In: Edinburgh Journal of Botany. 69, 2, p. 293–299 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  66. Published

    Pouzolzia saxophila sp. nov. (Urticaceae tribe Boehmerieae) from Bahia, Brazil

    Wilmot-Dear, C. M., Friis, Ib & Monro, A. K., 2015, In: Nordic Journal of Botany. 33, 3, p. 354-357 4 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  67. Published

    Salsola sp. A of Flora Zambesiaca from the coast of Mozambique is Caroxylon littoralis (Amaranthaceae subfam. Salsoloideae), hitherto only known from Madagascar

    Friis, Ib & Holt, S., 2017, In: Webbia. 72, 1, p. 63-69 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  68. Published

    Terminalia (Combretaceae) in northern tropical Africa: Priority and typification of T. schimperiana and T. glaucescens; typification of other synonyms of T. schimperiana and of T. avicennioides

    Friis, Ib & Demissew, S., 2020, In: Taxon. 69, 2, p. 372-380

    Research output: Contribution to journalJournal articleResearchpeer-review

  69. Published

    A nationwide assesment of the Biodiversity value of Uganda's important Bird Areas Netwok.

    Herbert, T., Kalema, J., Byaruhanga, A., Asasra, J., Ssegawa, P., Balmford, A., Davenport, T., Fjeldså, Jon, Friis, Ib, Pain, D., Derek, P., Williams, P. & Williams, C., 2006, In: Conservation Biology. 20, 1, p. 85-99 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  70. Published

    A new arborescent species of Croton (Euphorbiaceae) from the semi evergreen forests of S Somalia and E Kenya

    Friis, Ib & Gilbert, M. G., 1984, In: Nordic Journal of Botany. 4, p. 327-331.

    Research output: Contribution to journalJournal articleResearchpeer-review

  71. Published

    A new name in Pouzolzia (Urticaceae)

    Friis, Ib, 1987, In: Kew Bulletin. 42, p. 666-666.

    Research output: Contribution to journalJournal articleResearchpeer-review

  72. Published

    A new species of Boehmeria, B. burgeri Wilmot-Dear, Friis & Kravtsova (Urticaceae), endemic to Costa Rica

    Wilmot-Dear, C. M., Friis, Ib & Kravtsova, T. I., 2003, In: Kew Bulletin. 58, p. 213-218

    Research output: Contribution to journalJournal articleResearchpeer-review

  73. Published

    A new species of Guizotia (Compositae) from NE tropical Africa

    Friis, Ib, 1971, In: Norwegian Journal of Botany. 18, p. 231-234

    Research output: Contribution to journalJournal articleResearchpeer-review

  74. Published

    A new species of Haemanthus (Amaryllidaceae) from SW Ethiopia

    Friis, Ib & Bjørnstad, I., 1971, In: Norwegian Journal of Botany. 18, p. 227-230

    Research output: Contribution to journalJournal articleResearchpeer-review

  75. Published

    A new species of Kanahia (Asclepiadaceae) from Ethiopia, with a reconsideration of the genus

    Field, D., Friis, Ib & Gilbert, M. G., 1986, In: Nordic Journal of Botany. 6, p. 787-792

    Research output: Contribution to journalJournal articleResearchpeer-review

  76. Published

    A new species of Boehmeria (Urticaceae), B. burgeriana Wilmot-Dear, Friis & Kravtsova, endemic to Costa Rica

    Wilmot-Dear, C. M., Friis, Ib & Kravtsova, T. I., 2003, In: Kew Bulletin. 58, 1, p. 213-218 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  77. Published

    A new species of Leucas, L. gypsicola (Lamiaceae), from gypsum outcrops in eastern Ethiopia

    Paton, A., Friis, Ib & Demissew, S., 1 Dec 2018, In: Kew Bulletin. 73, 4, 6 p., 59.

    Research output: Contribution to journalJournal articleResearchpeer-review

  78. Published

    A note on effective publication

    Friis, Ib & Dahlgren, R., 1981, In: Taxon. 30, p. 499-501

    Research output: Contribution to journalJournal articleResearchpeer-review

  79. Published

    A reconsideration of Pittosporum (Pittosporaceae) in Africa and Arabia

    Friis, Ib, 1987, In: Kew Bulletin. 42, p. 319-335.

    Research output: Contribution to journalJournal articleResearchpeer-review

  80. Published

    A reconsideration of the genera Monotheca and Spiniluma (Sapotaceae)

    Friis, Ib, 1978, In: Kew Bulletin. 33, p. 91-98

    Research output: Contribution to journalJournal articleResearchpeer-review

  81. Published

    A revision of the Stachys aculeolatus group (Labiateae) in tropical Africa

    Friis, Ib, Bjørnstad, I. & Thulin, M., 1971, In: Norwegian Journal of Botany. 18, p. 121-138

    Research output: Contribution to journalJournal articleResearchpeer-review

  82. Published

    A revision of the genus Pilea Lindl. in Africa

    Friis, Ib, 1989, In: Kew Bulletin. 44, p. 557-600

    Research output: Contribution to journalJournal articleResearchpeer-review

  83. Published

    A revision of the tribe Forsskaoleae (Urticaceae)

    Friis, Ib & Wilmot-Dear, C. M., 1988, In: Nordic Journal of Botany. 8, p. 25-59

    Research output: Contribution to journalJournal articleResearchpeer-review

  84. Published

    A synopsis of the Buxaceae in Africa South of the Sahara

    Friis, Ib, 1989, In: Kew Bulletin. 44, p. 293-299

    Research output: Contribution to journalJournal articleResearchpeer-review

  85. Published

    A synopsis of the genus Girardinia Gaud. (Urticaceae)

    Friis, Ib, 1981, In: Kew Bulletin. 36, p. 143-157

    Research output: Contribution to journalJournal articleResearchpeer-review

  86. Published

    A synopsis of the genus Obetia (Urticaceae)

    Friis, Ib, 1983, In: Kew Bulletin. 38, p. 221-228

    Research output: Contribution to journalJournal articleResearchpeer-review

  87. Published

    A synopsis of the genus Pouzolzia Gaud. (Urticaceae) in tropical Africa

    Friis, Ib & Jellis, S., 1984, In: Kew Bulletin. 39, p. 587-601

    Research output: Contribution to journalJournal articleResearchpeer-review

  88. Published

    Addenda to Vol. 2,2: 65. Cucurbitaceae

    Bidgood, S. & Friis, Ib, 2000, Flora of Ethiopia and Eritrea: Magnoliaceae-Flacourtiaceae. Edwards, S., Tadesse, M., Demissew, S. & Hedberg, I. (eds.). Uppsala, Sweden & Addis Ababa, Ethiopia: University of Uppsala, Vol. 2, 1. p. 451-452

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  89. Published

    Addenda to Vol. 2,2: 77. Guttiferae

    Robson, N. & Friis, Ib, 2000, Flora of Ethiopia and Eritrea: Magnoliaceae-Flacourtiaceae. Edwards, S., Tadesse, M., Demissew, S. & Hedberg, I. (eds.). Uppsala, Sweden & Addis Ababa, Ethiopia: University of Uppsala, Vol. 2, 1. p. 452

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  90. Published

    Addenda to Vol. 2,2: 80. Sterculiaceae

    Friis, Ib & Bidgood, S., 2000, Flora of Ethiopia and Eritrea: Magnoliaceae-Flacourtiaceae. Edwards, S., Tadesse, M., Demissew, S. & Hedberg, I. (eds.). Uppsala, Sweden & Addis Ababa, Ethiopia: University of Uppsala, Vol. 2, 1. p. 453

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  91. Published

    Addenda to Vol. 3: 105. Urticaceae

    Friis, Ib, 2000, Flora of Ethiopia and Eritrea: Magnoliaceae-Flacourtiaceae. Edwards, S., Tadesse, M., Demissew, S. & Hedberg, I. (eds.). Uppsala, Sweden & Addis Ababa, Ethiopia: University of Uppsala, Vol. 2, 1. p. 459-460

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  92. Published

    Addenda to Vol. 6: 215. Arecaceae (Palmae)

    Friis, Ib & Edwards, S., 2000, Flora of Ethiopia and Eritrea: Magnoliaceae-Flacourtiaceae. Edwards, S., Tadesse, M., Demissew, S. & Hedberg, I. (eds.). Uppsala, Sweden & Addis Ababa, Ethiopia: University of Uppsala, Vol. 2, 1. p. 460

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  93. Published

    Addenda to Vol.3: 95. Fabaceae

    Schrire, B. D., Friis, Ib, Bidgood, S. & Thulin, M., 2000, Flora of Ethiopia and Eritrea: Magnoliaceae-Flacourtiaceae. Edwards, S., Tadesse, M., Demissew, S. & Hedberg, I. (eds.). Uppsala, Sweden & Addis Ababa, Ethiopia: University of Uppsala, Vol. 2, 1. p. 453-459

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  94. Published

    Additional notes on Somalian Sapindaceae

    Friis, Ib, 1984, In: Kew Bulletin. 39, p. 779-783

    Research output: Contribution to journalJournal articleResearchpeer-review

  95. Published

    Additional observations on Dombeya kefaensis (Sterculiaceae) and the diversity of Dombeya in SW Ethiopia

    Friis, Ib & Bidgood, S., 2001, In: Nordic Journal of Botany. 21, p. 337-340

    Research output: Contribution to journalJournal articleResearchpeer-review

  96. Published

    Additional observations on forests and forest trees of northeast tropical Africa (Ethiopia, Djibouti and Somalia)

    Friis, Ib, 1993, In: Opera Botanica. 121, p. 119-124

    Research output: Contribution to journalJournal articleResearchpeer-review

  97. Published

    Additions to the Flora of Ethiopia

    Friis, Ib & Vollesen, K., 1984, In: Willdenowia. 14, p. 355-371

    Research output: Contribution to journalJournal articleResearchpeer-review

  98. Published

    Additions to the flora of Ethiopia, 2

    Friis, Ib, Gilbert, M. G. & Vollesen, K., 1987, In: Willdenowia. 16, p. 531-564

    Research output: Contribution to journalJournal articleResearchpeer-review

  99. Published

    Aksum - Rom tur/retur

    Friis, Ib, 2005, In: Sfinx. 28, 4, p. 143-149

    Research output: Contribution to journalJournal articleCommunication

  100. Published

    Aksum-Rom tur/retur - de sidste hundrede meter af en senantik steles rejse

    Friis, Ib, 2010, In: Sfinx. 33, 4, p. 156-159

    Research output: Contribution to journalJournal articleCommunication

  101. Published

    Alfred Hansen: 2. oktober 1925 - 29. januar 2008

    Friis, Ib, Wind, P. & Pedersen, Henrik Ærenlund, 2008, In: URT. 2, p. 68-72

    Research output: Contribution to journalJournal articleResearch

  102. Published

    Alfred Hansen, 1925-2008

    Friis, Ib & Pedersen, Henrik Ærenlund, 2010, In: Taxon. 59, 6, p. 1942-1943 2 p.

    Research output: Contribution to journalComment/debateResearch

  103. Published

    Altitudinal zonation in the forest tree flora of north east tropical Africa

    Friis, Ib & Lawesson, J., 1993, In: Opera Botanica. 121, p. 125-128

    Research output: Contribution to journalJournal articleResearchpeer-review

  104. Published

    An additional note on the genus Droguetia (Urticaceae)

    Friis, Ib, 1990, In: Nordic Journal of Botany. 10, p. 431 - 432

    Research output: Contribution to journalJournal articleResearchpeer-review

  105. Published

    An analysis of the protologues of new genera with new species in Forsskål's Flora Aegyptiaco-Arabica

    Friis, Ib, 1984, In: Taxon. 33, p. 655-667

    Research output: Contribution to journalJournal articleResearchpeer-review

  106. Published

    An unknown German manuscript on Ethiopia in the Goethe Nachlass in Weimar: Niebuhr on his research expedition and his criticism of James Bruce

    Friis, Ib, 2015, In: ITYOPIS. Notheast African Journal of Social Sciences and Humanities. Extra Issue, p. 34-45 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  107. Published

    Appendix: Additions to Flora of Ethiopia and Eritrea volumes 2 - 7

    Friis, Ib & Thulin, M., 2009, Flora of Ethiopia and Eritrea, vol. 1: Lycopodiaceae - Pinaceae & Appendix. Hedberg, I., Friis, I. & Persson, E. (eds.). Addis Abeba; Uppsala: National Herbarium, Addis Ababa University, Vol. 1.. p. 203-271 68 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  108. Published

    Artiklen "dækfrøede"

    Friis, Ib, 2002, Den Store Danske Encyclopædi: Supplementsbind. Danmarks Nationalleksikon, p. 192-195

    Research output: Chapter in Book/Report/Conference proceedingEncyclopedia chapterCommunication

  109. Published

    Aspects of nutrient cycling in three plantations and a natural forest in Ethiopia

    Michelsen, Anders, Friis, Ib & Nigatu, L., 1992, Sustainable Development in the Sahel. - Proceedings of the 4th Sahel Workshop, 6-8 January 1990. AAU Reports 29: botanik, næringskredsløb, plantager, skov, løvfald, nedbrydning, Etiopien. Aarhus: Aarhus Universitetsforlag, p. 99-101

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  110. Published

    Atlas of the potential vegetation of Ethiopia

    Friis, Ib, Demissew, S. & van Breugel, P., 2010, Det Kongelige Danske Videnskabernes Selskab. 307 p. (Biologiske skrifter, Vol. 58).

    Research output: Book/ReportBookResearchpeer-review

  111. Published

    Barbeyaceae

    Friis, Ib, 1993, The Families and Genera of Vascular Plants: Flowering Plants, Dicotyledones (Magnolid, Hamamelid and Caryophyllid Families). Kubitzki, K., Rohwer, J. G. & Bittrich, V. (eds.). Berlin: Springer, Vol. 2. p. 141-143

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  112. Published

    Beskrivelse af Guineiske Planter (1827): en dansk videnskabs- og publikationshistorie af international betydning

    Friis, Ib, 2021, Nogle betænkninger om dansk sprog og litteratur - Festskrift til Marita Akhøj Nielsen. Bjerring-Hansen, J., Boeck, S. S. & Jensen, E. S. (eds.). Universitets-Jubilæets danske Samfund, p. 157-192 (Universitets-Jubilæets Danske Samfunds skriftserie, Vol. 604).

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  113. Published

    Biodiversity Research in the Horn of Africa Region: Proceedings of the Third International Symposium on the Flora of Ethiopia and Eritrea at the Carlsberg Academy, Copenhagen, August 25-27, 1999

    Friis, Ib (ed.) & Ryding, Olof (ed.), 2001, København: Det Kongelige Danske Videnskabernes Selskab. 439 p. (Biologiske skrifter, Vol. 54).

    Research output: Book/ReportBookResearch

  114. Published

    Botanical collecting activity in the area of the Flora of Ethiopia and Eritrea during the "motor period"

    Friis, Ib, 31 Dec 2011, In: Symbolae Botanicae Upsalienses. 35, 2, p. 45-68

    Research output: Contribution to journalJournal articleResearch

  115. Published

    Botanik

    Friis, Ib, 2006, Dansk Naturvidenskabs Historie. Nielsen, H. & Nielsen, K. H. (eds.). Aarhus: Aarhus Universitetsforlag, Vol. 4. p. 125-137

    Research output: Chapter in Book/Report/Conference proceedingBook chapterCommunication

  116. Published

    Botaniske Haver - til nytte og glæde

    Friis, Ib, 2012, Haver & kultur: havekunst og kultur ved Middelhavet. Mejer, L. & Carstens, A. M. (eds.). Aarhus: Tidsskriftet Sfinx, p. 66-71 6 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterCommunication

  117. Published

    By whom and when was the flora of Ethiopia and Eritrea named?

    Friis, Ib & Edwards, S., 2001, In: Biologiske Skrifter (Biological Series). 54, p. 103-136

    Research output: Contribution to journalJournal articleResearchpeer-review

  118. Published

    C.F. Hochstetter's Scientific names for G.W. Schimper's Early Collections of African Plants

    Friis, Ib, 1993, Botanostephane Kornasiana - Botanical Contributions Presented to Jan Kornas in Celebration of his 70th birthday. Ochyra, R. & Stuchlik, L. (eds.). Krakow: Polish Academy of Science, p. 183-202

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  119. Published

    Carsten Niebuhr and James Bruce: lifted latitudes and virtual voyages on the Red Sea...?

    Friis, Ib, 15 Dec 2013, Early scientific expeditions and local encounters: new perspectives on Carsten Niebuhr and 'The Arabian Journey': proceedings of a Symposium on the Occasion of the 250th Anniversary of the the Royal Danish Expedition to Arabia Felix. Friis, I., Harbsmeier, M. & Simonsen, J. B. (eds.). Det Kongelige Danske Videnskabernes Selskab, p. 222-250 29 p. (Scientia Danica, Series H, Humanistica; No. 2, Vol. 4).

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  120. Published

    Centres of plant diversity in Sudan, Ethiopia and Somalia

    Friis, Ib, 1994, Proceedings of the 13th Plenary Meeting of AETFAT, Zomba, Malawi, 2-11 April 1991, Vol 2: . Seyani, J. H. & Chikuni, A. C. (eds.). Zomba, Malawi, p. 883-889

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  121. Published

    Changes of flora-information over time: examples from Ethiopia and Eritrea and the Nordic Countries

    Friis, Ib, 2014, In: Ethiopian Journal of Biological Sciences. 13, Suppl., p. 47-67 21 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  122. Published

    Coffee and qat on the Royal Danish expedition to Arabia – botanical, ethnobotanical and commercial observations made in Yemen 1762-1763

    Friis, Ib, 2015, In: Archives of Natural History. 41, 1, p. 101-112 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  123. Published

    Collectors of botanical specimens from the flora area mentioned in the Flora of Ethiopia and Eritrea

    Friis, Ib, 2009, Flora of Ethiopia and Eritrea, vol. 8: General part and index to vols 1-7. Hedberg, I., Friis, I. & Persson, E. (eds.). Addis Ababa; Uppsala: National Herbarium; Addis Abeba University, Vol. 8. p. 97-123

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  124. Published

    Combination of Sanger and target-enrichment markers supports revised generic delimitation in the problematic ‘Urera clade’ of the nettle family (Urticaceae)

    Wells, T., Maurin, O., Dodsworth, S., Friis, Ib, Cowan, R., Epitawalage, N., Brewer, G., Forest, F., Baker, W. J. & Monro, A. K., 2021, In: Molecular Phylogenetics and Evolution. 158, 15 p., 107008.

    Research output: Contribution to journalJournal articleResearchpeer-review

  125. Published

    Comparisons of understorey vegetation and soil fertility in plantations and adjacent natural forests in the Ethiopian highlands

    Michelsen, Anders, Lisanework N., Friis, Ib & Holst, N., 1996, In: Journal of Applied Ecology. 33, p. 627-642

    Research output: Contribution to journalJournal articleResearchpeer-review

  126. Published

    Conservation of plant species and habitats on the Horn of Africa

    Friis, Ib, 1989, Intern. Ass. of Botanical Gardens - Proceedings of the Tenth General Meeting and Conference.  2-7 August.1987. Larsen, K., Morley, B. & Schoser, G. (eds.). Palmengarten, p. 86 - 103

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

  127. Published

    Conservation of the Ethiopian church forests: threats, opportunities and implications for their management

    Aerts, R., Ortveld, K. V., November, E., Wassie, A., Abiyu, A., Demissew, S., Daye, D. D., Giday, K., Haile, M., Tewolde Berhan, S., Teketay, D., Teklehaimanot, Z., Bingelli, P., Deckers, J., Friis, I., Gratzer, G., Hermy, M., Heyn, M., Honnay, O., Paris, M. & 4 others, Sterk, F. J., Muys, B., Bongers, F. & Healey, J. R., 2016, In: Science of the Total Environment. 551-552, p. 404-414 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  128. Published

    Continental-scale variability in browser diversity is a major driver of diversity patterns in acacias across Africa

    Greve, M., Lykke, A. M., Fagg, C. W., Bogaert, J., Friis, Ib, Marchant, R., Marshall, A. R., Ndayishimiye, J., Sandel, B. S., Sandom, C., Schmidt, M., Timberlake, J. R., Wieringa, J. J., Zizka, G. & Svenning, J., 2012, In: Journal of Ecology. 100, 5, p. 1093-1104 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  129. Published

    Correction to Hepper and Friis's analysis of Flora Aegyptiaco-Arabica: Nepeta nepetellae Forssk. (Lamiaceae)

    Ryding, Olof & Friis, Ib, 2014, In: Taxon. 63, 6, p. 1350-1352 3 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  130. Published

    Correspondence in forest species composition between the Vegetation Map of Africa and higher resolution maps for seven African countries

    Kindt, R., Lillesø, Jens-Peter Barnekow, van Breugel, P., Bingham, M., Demissew, S., Dudley, C., Friis, Ib, Gachathi, F., Kalema, J., Mbago, F., Moshi, H. N., Mulumba, J. W., Namaganda, M., Ndangalasi, H. J., Ruffo, C. K., Minani, V., Jamnadass, R. H. & Graudal, Lars, 2014, In: Applied Vegetation Science. 17, 1, p. 162-171

    Research output: Contribution to journalJournal articleResearchpeer-review

  131. Published

    Current and future fire regimes and their influence on natural vegetation in Ethiopia

    van Breugel, P., Friis, Ib, Demissew, S., Lillesø, Jens-Peter Barnekow & Kindt, R., 2016, In: Ecosystems. 19, 2, p. 369-386 18 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  132. Published

    De botaniske resultater af Den Arabiske Rejse

    Friis, Ib, 1990, Den Arabiske Rejse 1761-1767: En dansk ekspedition set i videnskabshistorisk perpektiv. Rasmussen, S. T. (ed.). København: Gyldendal, p. 117 - 128.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterCommunication

  133. Published

    Delimitation of species and infraspecific taxa in African Pilea (Urticaceae)

    Friis, Ib, 1994, Proceedings of the 13th Plenary Meeting of AETFAT, Zomba, Malawi, 2-11 April 1991, Vol 2. Seyani, J. H. & Chikuni, A. C. (eds.). Zomba, Malawi, p. 297-307

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  134. Published

    Den arabiske Rejse

    Friis, Ib, 2011, In: Sfinx. 34, 1, p. 36 1 p.

    Research output: Contribution to journalJournal articleCommunication

  135. Published

    Den biologiske faggruppe [i Det Kongelige Danske Videnskabernes Selskab]

    Friis, Ib & Wang, T., 13 Nov 2017, Det Kongelige Danske Videnskabernes Selskab 1742-2017: et Jubilæumsskrift. Nielsen, M. A. (ed.). København: Det Kongelige Danske Videnskabernes Selskab, p. 153-179 27 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterCommunication

  136. Published

    Det aksumitiske riges hovedby - Aksum (1906)

    Friis, Ib, 2016, 50 fund - Højdepunkter i arkæologien. Nørskov, V. & Pentz, P. (eds.). Aarhus: Aarhus Universitetsforlag, p. 120-125 6 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterCommunication

  137. Published

    Diagnose eller typeeksemplar? - Botaniske artsnavne mellem essentialisme og empiri

    Friis, Ib, 2008, In: Filosofiske Studier. 24, p. 88-102

    Research output: Contribution to journalJournal articleResearch

  138. Published

    Disjunctions in the African flora as seen from the Flora of Ethiopia and Eritrea

    Demissew, S., Friis, Ib, Nordal, I. & Bürger, A., 2006, Taxonomy and Ecology of African Plants, their Conservation and Sustainable Use - Proceedings of the 17th AETFAT Congress, Addis Ababa. Ghazanfar, S. A. & Beentje, H. (eds.). Kew: Royal Botanic Gardens, p. 247-258

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  139. Published

    Distribution Patterns of Solanum in the Horn of Africa

    Friis, Ib, 2006, Taxonomy and Ecology of African Plants, their Conservation and Sustainable Use - Proceedings of the 17th AETFAT Congress, Addis Ababa. Ghazanfar, S. A. & Beentje, H. (eds.). Kew: Royal Botanic Gardens, p. 279-289

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  140. Published

    Distribution patterns and biological observations in the Urticaceae of Sub-Saharan Africa, Madagascar and the Mascarenes

    Friis, Ib, 1988, In: Missouri Botanic Gardens Monographs. 25, p. 527 - 542

    Research output: Contribution to journalJournal articleResearchpeer-review

  141. Published

    Distribution patterns of Ficus in tropical NE Africa

    Friis, Ib, 1990, In: Mitteilungen aus dem Institut für allgemeine Botanik in Hamburg. 23A, p. 407 - 424

    Research output: Contribution to journalJournal articleResearchpeer-review

  142. Published

    Diversity and Endemism in the Flora of Ethiopia and Eritrea - what do the published Flora volumes tell us?

    Friis, Ib, Edwards, S., Kelbessa, E. & Demissew, S., 2001, In: Biologiske Skrifter (Biological Series). 54, p. 173-193

    Research output: Contribution to journalJournal articleResearchpeer-review

  143. Published

    Diversity and endemism of the flora of Ethiopia and Eritrea: state of knowledge and future perspectives

    Demissew, S., Friis, Ib & Weber, O., 2021, In: Rendiconti Lincei. Scienze Fisiche e Naturali. 32, 4, p. 675-697 23 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  144. Published

    Diversity and endemism of the western Ethiopian escarpment - a preliminary comparison with other areas of the Horn of Africa

    Sebsebe, D., Nordal, I., Herrmann, C., Friis, Ib, Tesfaye, A. & Stabbetorp, O., 2005, In: Biologiske Skrifter (Biological Series). 55, p. 315-330

    Research output: Contribution to journalJournal articleResearchpeer-review

  145. Published

    Early scientific expeditions and local encounters: new perspectives on Carsten Niebuhr and 'The Arabian Journey'. proceedings of a symposium on the occasion of the 250th anniversary of the the Royal Danish Expedition to Arabia Felix

    Friis, Ib (ed.), Harbsmeier, M. (ed.) & Simonsen, Jørgen Bæk (ed.), 15 Dec 2013, Det Kongelige Danske Videnskabernes Selskab. 252 p. (Scientia Danica, Series H, Humanistica, Vol. 4, vol. 2).

    Research output: Book/ReportAnthologyResearchpeer-review

  146. Published

    East African bryophytes IV. Danish collections

    Bizot, M., Friis, Ib, Lewinsky, J. & Thamas, P., 1978, In: Lindbergia. 4, p. 259-284

    Research output: Contribution to journalJournal articleResearchpeer-review

  147. Published

    Ecological effects of fuelwood plantations in Ethiopia

    Friis, Ib & Michelsen, Anders, 1993, Development Experience in the Sahel. - Proc. of the third Sahel Workshop, 7th-9th of January 1991. Humlebæk, Denmark: Danida Forest Seed Centre, p. 106-107

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  148. Published

    Ethiopia in regional phytogeography

    Friis, Ib, 1986, In: Symbolae Botanicae Uppsaliensis. 26, p. 68-85

    Research output: Contribution to journalJournal articleResearchpeer-review

  149. Published

    Ethiopian Biomes

    Friis, Ib, 2017, Ethiopia: History, Culture and Challenges. Uhlig, S., Appleyard, D., Bausi, A., Hahn, W. & Kaplan, S. (eds.). Berlin: LIT Verlag, p. 25 1 p. (Afrikanische Studien/African Studies, Vol. 58).

    Research output: Chapter in Book/Report/Conference proceedingBook chapterCommunication

  150. Published

    Fagaceae

    Friis, Ib, 1989, Flora of Ethiopia: Pittosporaceae to Araliaceae. Hedberg, I. & Edwards, S. (eds.). Addis Ababa & Uppsala: National Herbarium, Vol. 3. p. 265-265.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  151. Published

    Fam. 152. Buxaceae

    Friis, Ib, 2007, Flora Zambesiaca. Pope, G. V., Polhill, R. M. & Martins, E. S. (eds.). Kew.: Royal Botanic Gardens, Vol. 9, 3.. p. 251-254.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  152. Published

    Fire regimes, floristics, diversity, life forms and biomass in wooded grassland, woodland and dry forest at Gambella, western Ethiopia

    Jensen, M. & Friis, Ib, 2001, In: Biologiske Skrifter (Biological Series). 54, p. 349-387

    Research output: Contribution to journalJournal articleResearchpeer-review

  153. Published

    Flora - fra blomstergudinde i det antikke Rom over Danmark til hele verdens betegnelse for en håndbog om planter

    Friis, Ib, 2010, In: URT. 34, 4, p. 121-129 9 p.

    Research output: Contribution to journalJournal articleCommunication

  154. Published

    Flora of Ethiopia and Eritrea: Asteraceae (Compositae)

    Hedberg, I. (ed.), Friis, Ib (ed.), Edwards, S. (ed.) & Tadesse, M., 2005, Addis Ababa & Uppsala: Addis Abeba University. 408 p.

    Research output: Book/ReportBookResearch

  155. Published

    Flora of Ethiopia and Eritrea:  en moderne florahåndbog for et gammelt land

    Friis, Ib, 1997, Københavns Universitets Almanak - Skrive og Rejsekalender for det år efter Kristi fødsel 1998. Københavns Universitet: Museum Tusculanum, p. 162-173

    Research output: Chapter in Book/Report/Conference proceedingBook chapterCommunication

  156. Published

    Flora of Ethiopia and Eritrea, vol. 1: Lycopodiaceae - Pinaceae & Appendix

    Hedberg, I. (ed.), Friis, Ib (ed.) & Persson, E. (ed.), 2009, Addis Abeba; Uppsala: National Herbarium, Addis Abeba University. 305 p.

    Research output: Book/ReportAnthologyResearchpeer-review

  157. Published

    Flora of Ethiopia and Eritrea, vol. 8: General part and index to vols 1-7

    Hedberg, I. (ed.), Friis, Ib (ed.) & Persson, E. (ed.), 2009, Addis Abeba; Uppsala: National Herbarium, Addis Abeba University. 331 p.

    Research output: Book/ReportAnthologyResearchpeer-review

  158. Published

    Flora of the Sudan-Uganda border area east of the Nile: II. Catalogue of vascular plants, 2nd part, vegetation and phytogeography

    Friis, Ib & Vollesen, K., 2005, In: Biologiske Skrifter (Biological Series). 51, 2, p. 391-855

    Research output: Contribution to journalJournal articleResearchpeer-review

  159. Published

    Flora of the Sudan-Uganda border area east of the Nile, I. Catalogue of vascular plants, 1st part

    Friis, Ib & Vollesen, K., 1998, In: Biologiske Skrifter (Biological Series). 51, 1, p. 1-389

    Research output: Contribution to journalJournal articleResearchpeer-review

  160. Published

    Floristic diversity in fragmented Afromontane rainforests: altitudinal variation and conservation importance

    Schmitt, C. B., Denich, M., Demissew, S., Friis, Ib & Boehmer, H. J., 2010, In: Applied Vegetation Science. 13, 3, p. 291-304 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  161. Published

    Floristic richness and endemism in the Flora of Ethiopia and Eritrea

    Friis, Ib, 2009, Flora of Ethiopia and Eritrea, vol. 8: General part and index to vols 1-7. Hedberg, I., Friis, I. & Persson, E. (eds.). Addis Abeba; Uppsala: National Herbarium, Addis Abeba University, Vol. 8.. p. 33-38 6 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  162. Published

    Forests and Forest Trees of Northeast Tropical Africa - Their Natural Habitats and Distribution Patterns in Ethiopia, Djibouti and Somalia

    Friis, Ib, 1992, London: Her Majesty's Stationery Office. 396 p.

    Research output: Book/ReportBookResearch

  163. Published

    Forskere og studerende (fra Nord og Syd) mødes i forskningssamarbejde

    Friis, Ib, 1997, In: Naturligvis. 1997, p. 4-7

    Research output: Contribution to journalJournal articleCommunication

  164. Published

    Four new species of Aloe (Aloaceae) from Ethiopia, with notes on the ethics of describing new taxa from foreign countries

    Demissw, S., Friis, Ib, Awas, T., Wilkin, P., Weber, O., Bachman, S. & Nordal, I., 2011, In: Kew Bulletin. 66, 1, p. 111-121 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  165. Published

    Frank White and the Development of African Chorology

    Friis, Ib, 1998, Chorology, Taxonomy and Ecology of the Floras of Africa and Madagascar. Huxley, C. R., Lock, J. M. & Cutler, D. F. (eds.). Kew, England, UK: Royal Botanic Gardens, p. 25-51

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  166. Published

    Fugleklo-Bukkehorn i Danmark

    Friis, Ib, Adsersen, Henning Emil, Rabøl, J. & Lyshede, O. B., 2007, In: URT. 31/3, p. 110-113.

    Research output: Contribution to journalJournal articleCommunication

  167. Published

    G.C. Oeder's conflict with Linnaeus and the implementation of taxonomic and nomenclatural ideas in the monumantal Flora Danica project

    Friis, Ib, 27 Sep 2019, In: Gardens' Bulletin, Singapore. 71, (Supplement 2, p. 53-85

    Research output: Contribution to journalJournal articleResearchpeer-review

  168. Published

    Gensyn med Ginir - etiopisk feltarbejde efter 30 års venten.

    Friis, Ib & Weber, O., 1 Aug 2014, In: Naturhistorier. 2014, 1, p. 13-17

    Research output: Contribution to journalJournal articleCommunication

  169. Published

    Gunnar Seidenfaden (1908-2001): Arctic explorer, ambassador and orchidologist

    Friis, Ib, 2002, In: Taxon. 51, p. 405-411

    Research output: Contribution to journalJournal articleCommunication

  170. Published

    Hunulven og løven

    Friis, Ib, 31 Aug 2012, In: Sfinx. 35, 3, p. 118-123 6 p.

    Research output: Contribution to journalJournal articleCommunication

  171. Published

    Hvor dansk er den danske flora?

    Friis, Ib, 2010, Det fremmede som historisk drivkraft - Danmark efter 1742: Et festskrift til Hendes Majestæt Dronning Margrethe II ved 70-års-fødselsdagen den 16. april 2010. Nielsen, M. A. (ed.). Det Kongelige Danske Videnskabernes Selskab, p. 13-25 13 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterCommunication

  172. Published

    Impacts of tree plantations in the Ethiopian highland on soil fertility, shoot and root growth, nutrient utilisation and mycorrhizal  colonisation

    Michelsen, Anders, Lisanework N. & Friis, Ib, 1993, In: Forest Ecology and Management. 61, p. 299-324

    Research output: Contribution to journalJournal articleResearchpeer-review

  173. Published

    In Memoriam: Editor-in-Chief of Nordic Journal of Botany Ivan Nielsen, 18 February 1946 - 1 December 2007

    Friis, Ib, 2008, In: Nordic Journal of Botany. 25, 5-6, p. 381-382

    Research output: Contribution to journalJournal articleResearch

  174. Published

    In memoriam - Bertel Hansen (1932-2005)

    Friis, Ib, 2006, In: Taxon. 55, 4, p. 1055-1056

    Research output: Contribution to journalJournal articleResearch

  175. Published

    Inga Hedberg (1927-2024) – inspirational driving force in tropical African botany for 60 years

    Friis, Ib, Demissew, S. & Thulin, M., 2024, In: Webbia. 79, 1, p. 3-18

    Research output: Contribution to journalJournal articleResearchpeer-review

  176. Published

    Intermediate evergreen Afromontane forest (IAF) in northwestern Ethiopia: observations, description and modelling its potential distribution

    Berhanu, A., Demissew, S., Woldu, Z., Friis, Ib & Van Breugel, P., 19 Oct 2018, In: Phytocoenologia. 48, 4, p. 351-367

    Research output: Contribution to journalJournal articleResearchpeer-review

  177. Published

    Introduction

    Balslev, H. & Friis, Ib, 28 Sep 2017, Tropical Plant Collections: Legacies from the Past? Essential Tools for the Future? : Proceedings of an international symposium held by The Royal Danish Academy of Sciences and Letters in Copenhagen, 19th–21st of May, 2015. Friis, I. & Balslev, H. (eds.). Det Kongelige Danske Videnskabernes Selskab, Vol. Scientia Danica B, Vol. 6. p. 7-13 (Scientia Danica. Series B, Biologica, Vol. 6).

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  178. Published

    Introduction

    Friis, Ib, Harbsmeier, M. & Simonsen, Jørgen Bæk, 2013, Early Scientific Expeditions and Local Encounters: New Perspectives on Carsten Niebuhr and ‘The Arabian Journey’ : Proceedings of a Symposium on the Occasion of the 250th Anniversary of the Royal Danish Expedition to Arabia Felix. Friis, I., Harbsmeier, M. & Bæk Simonsen, J. (eds.). København: Det Kongelige Danske Videnskabernes Selskab, p. 7-26 20 p. (Scientia Danica, Series H, Humanistica; No. 4, vol. 2).

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  179. Published

    Isert and Thonning's plants and Schumacher's Beskrivelse af Guineiske Planter (1827) - A Danish legacy to the study of the West African flora

    Friis, Ib & Callmander, M. W., 2021, In: Candollea. 76, 2, p. 171-190

    Research output: Contribution to journalJournal articleResearchpeer-review

  180. Published

    Knud Ib Christensen (1955-2012)

    Friis, Ib & Møller, J. D., 2014, In: Taxon. 63, 3, p. 703-704 2 p.

    Research output: Contribution to journalJournal articleCommunication

  181. Published

    Kormofyternes Udvikling

    Frederiksen, S., Friis, Ib & Rasmussen, Finn N., 1986, Botanisk Laboratorium, københavns Universitet. 74 p.

    Research output: Book/ReportCompendium/lecture notesEducation

  182. Published

    Lectotypification of Pelargonium multibracteatrum

    Friis, Ib & Vorster, P., 1995, In: Bothalia. 25, p. 102-104

    Research output: Contribution to journalJournal articleResearchpeer-review

  183. Published

    Luigi Balugani's drawings of African plants from the collection made by James Bruce of Kinnaird on his travels to discover the source of the Nile

    Hulton, P., Hepper, F. N. & Friis, Ib, 1991, New Haven, USA og Rotterdam, Holland: Yale Center for British Art. 316 p.

    Research output: Book/ReportBookResearch

  184. Published

    Mapping the African flora - trends in the development of methods and applications

    Friis, Ib, 1999, African Plants - Biodiversity, taxonomy and uses  - Proceedings of the 1997 AETFAT Congress, Harare, Zimbabwe. Timberlake, J. & Kativu, S. (eds.). Kew, England: Royal Botanic Gardens, p. 131-151

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  185. Published

    Martin Vahls videnskabelige løbebane i København og betydning for botanikken

    Friis, Ib, 2000, Martin Vahl - 250 års minnet. Jørgensen, P. M. (ed.). Bergen, Norge: Bergen Museum, p. 12-46 (Bergens Museums skrifter, Vol. 7).

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  186. Published

    Michaelis' hundred Questions and the Royal Instructions: - The Research Programme of the Royal Danish Expedition to Arabia

    Friis, Ib, 2017, Arrivals: The Life of the Royal Danish Expedition to Arabia 1767-2017. Hansen, A. H. (ed.). 1 ed. Copenhagen: Vandkunsten, p. 93-116 24 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterCommunication

  187. Published

    Michaelis' hundrede spørgsmål og Den Kongelige Instruks: - Hvad var Den Arabiske Rejses Forskningsprogram?

    Friis, Ib, 2017, Hjembragt 1767-2017. : 250 år efter Carsten Niebuhrs Arabiske Rejse. Hansen, A. H. (ed.). 1 ed. København: Vandkunsten, p. 93-116 24 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterCommunication

  188. Published

    Modern pollen rain on an altitudinal range of forests and woodlands in South West Ethiopia

    Bonnefille, R., Buchet, G., Friis, Ib, Ensermu, K. & Mohammed, M. U., 1993, In: Opera Botanica. 121, p. 71-84

    Research output: Contribution to journalJournal articleResearchpeer-review

  189. Published

    Morphology and anatomy of fruits in Pouzolzia (Urticaceae) in relation to taxonomy

    Kravtsova, T. I., Friis, Ib & Wilmot-Dear, C. M., 2003, In: Kew Bulletin. 58, p. 297-327

    Research output: Contribution to journalJournal articleResearchpeer-review

  190. Published

    Morphology and anatomy of fruits in New World Boehmeria in relation to taxonomy

    Kravtsova, T. I., Friis, Ib & Wilmot-Dear, C. M., 2000, In: Kew Bulletin. 55, p. 43-62

    Research output: Contribution to journalJournal articleResearchpeer-review

  191. Published

    Myriader af liv [regnskoven]

    Friis, Ib, 1983, In: Levende Natur - Tidsskrift for international naturbevarelse. 3, p. 3-7

    Research output: Contribution to journalJournal articleCommunication

  192. Published

    Name changes for well known species of Boehmeria (Urticaceae)

    Friis, Ib & Marais, W., 1982, In: Kew Bulletin. 37, p. 163-163

    Research output: Contribution to journalJournal articleResearchpeer-review

  193. Published

    Natural Vegetation of the Flora area

    Sebsebe, D. & Friis, Ib, 2009, Flora of Ethiopia and Eritrea, vol. 8: General part and index to vols 1-7. Hedberg, I., Friis, I. & Persson, E. (eds.). Addis Abeba; Uppsala: National Herbarium, Addis Abeba University, Vol. 8.. p. 27-32

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  194. Published

    Naturen på Krim

    Friis, Ib & Sjöman, H., 1 Jul 2010, In: Sfinx. 33, 2, p. 96-97 2 p.

    Research output: Contribution to journalJournal articleCommunication

  195. Published

    New Plant Records for the Ethiopian Flora from Benishangul Gumuz Region, Western Ethiopia

    Awas, T., Demissew, S., Nordal, I. & Friis, Ib, 2007, In: Walia. 25, p. 3-11

    Research output: Contribution to journalJournal articleResearch

  196. Published

    New World Pouzozlia and Boehmeria (Urticaceae): a new species and new generic record for Paraguay, Pouzolzia amambaiensis, and additional observations on already described species of both genera

    Wilmot-Dear, C. M. & Friis, Ib, 2011, In: Nordic Journal of Botany. 29, 6, p. 691-695 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  197. Published

    New additions to the Flora of Ethiopia and Eritrea in the families Euphorbiaceae, Fabaceae (Leguminosae), Lamiaceae, Campanulaceae, Eriocaulaceae and Poaceae

    Friis, Ib, Phillips, S. M., Gilbert, M. G., Challen, G., Schrire, B., Demissew, S. & Bidgood, S., 31 Dec 2011, In: Symbolae Botanicae Upsalienses. 35, 2, p. 107-128

    Research output: Contribution to journalJournal articleResearchpeer-review

  198. Published

    New combinations in African Sapindaceae

    Friis, Ib, Vollesen, K. & Verdcourt, B., 1996, In: Kew Bulletin. 51, 4, p. 802

    Research output: Contribution to journalJournal articleResearch

  199. Published

    New combinations in old world Urticaceae

    Friis, Ib, Immelman, K. & Wilmot-Dear, C. M., 1987, In: Nordic Journal of Botany. 7, p. 125-126

    Research output: Contribution to journalJournal articleResearchpeer-review

  200. Published

    New light on R.E.G. Pichi Sermolli’s plants from the Lake Tana expedition in 1937 – an important collection from Ethiopia at the Centro Studi Erbario Tropicale (FT)

    Friis, Ib, 2015, In: Webbia. 70, 1, p. 157-170 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  201. Published

    New species in Old World Boehmeria (Urticaceae)

    Wilmot-Dear, C. M., Friis, Ib & Thomas, Z., 2010, In: Edinburgh Journal of Botany. 67, 3, p. 431-450 20 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  202. Published

    New taxa and combinations in tropical African Pilea (Urticaceae)

    Friis, Ib, 1988, In: Kew Bulletin. 44, p. 648-648

    Research output: Contribution to journalJournal articleResearchpeer-review

  203. Published

    New taxa from the Imatong Mountains, S. Sudan

    Friis, Ib & Vollesen, K., 1982, In: Kew Bulletin. 38, p. 221-228

    Research output: Contribution to journalJournal articleResearchpeer-review

  204. Published

    Nomenclatural corrections to the taxonomic revision of The Old World species of Boehmeria (Urticaceae, tribus Boehmeriae) by Wilmot-Dear and Friis (2013)

    Wilmot-Dear, C. M., Friis, Ib & Govaerts, R. H. A., 2014, In: Blumea. 59, 2, p. 95-97 3 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  205. Published

    Nomenclatural notes on the genus Pteranthus (Caryophyllaceae) with lectotypification of the name Camphorosma pteanthus and Pteranthus trigynus, and comments on Forsskål's seeds sent from Egypt

    Iamonico, D., Friis, Ib, Jarvis, C. & Freitag, H., 2015, In: Taxon. 64, 4, p. 816-821 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  206. Published

    Nordiske Botanikere og deres orkideer: Natanael Wallich, 3.del

    Friis, Ib, 1991, In: Orchideer. 12, 10, p. 231-235

    Research output: Contribution to journalJournal articleCommunication

  207. Published

    Nordiske Botanikere og deres orkideer: Natanael Wallich, 2.del

    Friis, Ib, 1991, In: Orchideer. 12, 9, p. 204-207

    Research output: Contribution to journalJournal articleCommunication

  208. Published

    Nordiske botanikere og deres orkideer:  Natanael Wallich, 1.del

    Friis, Ib, 1991, In: Orchideer. 12, 8, p. 177-180

    Research output: Contribution to journalJournal articleCommunication

  209. Published

    Note on the botanical collections of Pehr Forsskål

    Friis, Ib, 1983, In: Kew Bulletin. 38, p. 457-467

    Research output: Contribution to journalJournal articleResearchpeer-review

  210. Published

    Notes on Chinese and Indochinese Boehmeria (Urticaceae)

    Friis, Ib, 2005, In: Kew Bulletin. 60, p. 449-453

    Research output: Contribution to journalJournal articleResearchpeer-review

  211. Published

    Notes on Somalian Sapindaceae

    Friis, Ib, 1981, In: Kew Bulletin. 36, p. 139-141

    Research output: Contribution to journalJournal articleResearchpeer-review

  212. Published

    Notes on the Somalian species of Ficus (Moraceae)

    Friis, Ib, 1985, In: Nordic Journal of Botany. 5, p. 331-333

    Research output: Contribution to journalJournal articleResearchpeer-review

  213. Published

    Notes on the vegetation of the southernmost Somalia, with some additions to the flora

    Friis, Ib & Vollesen, K., 1989, In: Willdenowia. 18, p. 455-477

    Research output: Contribution to journalJournal articleResearchpeer-review

  214. Published

    Old tropical botanical collections: how to improve their availability, comprehensibility and use in modern taxonomy?

    Friis, Ib, 2017, In: Webbia. 72, 1, p. 5-16 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  215. Published

    Omkring en berømt dansk botaniker i Indien [Nathanael Wallich]

    Friis, Ib & Hamann, O. J., 1976, In: Naturens Verden. 1976, 12, p. 393-408

    Research output: Contribution to journalJournal articleCommunication

  216. Published

    Omslaget - Storblomstret gederams

    Friis, Ib, 4 Oct 2012, Grønlands fascinationskraft - Fortællinger om polarforskningen: Et festskrift til Hendes Majestæt Dronning Margrethe II ved 40-års-regeringsjubilæet 2012. Nielsen, M. A. (ed.). København: Det Kongelige Danske Videnskabernes Selskab, p. 9 1 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterCommunication

  217. Published

    Omslaget - hvid okseøje (Leucanthemum vulgare)

    Friis, Ib, 2010, Det fremmede som historisk drivkraft - Danmark efter 1742: Et festskrift til Hendes Majestæt Dronning Margrethe II ved 70-års-fødselsdagen den 16. april 2010. Nielsen, M. A. (ed.). Det Kongelige Danske Videnskabernes Selskab, p. 8 1 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterCommunication

  218. Published

    Oversigt over Botanisk Haves Plantesamling

    Friis, Ib & Edlefsen, L. B., 1970, Københavns Universitets Fond til tilvejebringelse af læremidler. 101 p.

    Research output: Book/ReportBookEducation

  219. Published

    Overview - Biology and evolution of forest plants

    Friis, Ib, 1999, African Plants - Biodiversity, taxonomy and uses - Proceedings of the 1997 AETFAT Congress, Harare, Zimbabwe. Timberlake, J. & Kativu, S. (eds.). p. 1

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  220. Published

    Paleoenvironmental reconstructions for the Horn of Africa: Interdisciplinary perspectives on strategy and significance

    Hildebrand, E. A., Brandt, S. A., Friis, Ib & Demissew, S., 28 Oct 2019, Trees, Grasses and Crops. People and Plants in Sub-Saharan Africa and Beyond. Eichhorn, B. & Höhn, A. (eds.). Bonn: Verlag Dr. Rudolf Habelt, Bonn, Germany, p. 187-210 (Frankfurter Archäologische Schriften/Frankfurt Archaeological Studies, Vol. 37).

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  221. Published

    Paraphyly of the genus Boehmeria (Urticaceae): a response to Liang et al. ‘Relationships among Chinese Boehmeria species and the evolution of various clade’

    Monro, A. K., Dodsworth, S., Fu, L., Friis, Ib, Wilmot-Dear, C. M. & Maurin, O., 2021, In: Plant Systematics and Evolution. 307, p. 1-3 3 p., 1.

    Research output: Contribution to journalJournal articleResearchpeer-review

  222. Published

    Patterns of endemism in the woody flora of north-east and east Africa

    Lovett, J. & Friis, Ib, 1996, The Biodiversity of African Plants - Proceedings of the 14th AETFAT Congress. van der Maesen, L. J. G., van der Burgt, X. M. & van Medenbach de Rooy, J. M. (eds.). p. 582-601

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  223. Published

    Patterns of plant diversity and endemism in the Horn of Africa

    Friis, Ib, Thulin, M., Adsersen, Henning Emil & Bürger, A. C., 2005, In: Biologiske Skrifter (Biological Series). 55, p. 289-314

    Research output: Contribution to journalJournal articleResearchpeer-review

  224. Published

    Phytogeography of the tropical north-East African mountains (Ethiopia, Djibouti, Somalia)

    Friis, Ib, 1983, In: Bothalia. 14, p. 525-532

    Research output: Contribution to journalJournal articleResearchpeer-review

  225. Published

    Plant Diversity and Complexity Patterns: Local, regional and Global Dimensions

    Friis, Ib (ed.) & Balslev, H. (ed.), 2005, 603 p. (Biologiske skrifter, Vol. 55).

    Research output: Book/ReportBookResearch

  226. Published

    Plant diversity and regeneration in a disturbed isolated dry Afromontane forest in northern Ethiopia

    Aynekulu, E., Aerts, R., Denich, M., Nigussie, A., Friis, Ib, Sebsebe, D. & Boehmer, H. J., 2016, In: Folia Geobotanica. 51, 2, p. 115-127 13 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  227. Published

    Plant systematics and phytogeography for the understanding of African Biodiversity: Proceedings of the 16th AETFAT Congress, National Botanic Gardens, Belgium

    Robbrecht, E. (ed.), Degreef, J. (ed.) & Friis, Ib (ed.), 2001, Bruxelles, Belgium: National Botanic Garden. 1151 p. (Systematics and Geography of Plants, Vol. 71(2)).

    Research output: Book/ReportBookResearch

  228. Published

    Plant systematics and phytogeography for the understanding of African biodiversity. Introduction to the Proceedings af the XVIth AETFAT Congress

    Robbrecht, E., Degreef, J. & Friis, Ib, 2002, In: Systematics and Geography of Plants. 71, 2, p. 101-114

    Research output: Contribution to journalJournal articleResearch

  229. Published

    Planternes udvikling: Fra mosser til dækfrøede

    Frederiksen, S., Rasmussen, Finn N. & Friis, Ib, 2002, 2. ed. København: Gad. 122 p.

    Research output: Book/ReportBookEducation

  230. Published

    Plants and vegetation of NW Ethiopia: A new look at Rodolfo E.G. Pichi Sermolli’s results from the ‘Missione di Studio al Lago Tana’, 1937

    Friis, Ib, Demissew, S., Weber, O. & van Breugel, P., 2022, Firenze: Firenze University Press. 360 p. (Studi e Saggi; No. 240).

    Research output: Book/ReportBookResearchpeer-review

  231. Published

    Plants in Peril 11. (Dorstenia gypsophila, Moraceae)

    Friis, Ib, 1987, In: Curtis's Botanical Magazine. 4, p. 97-101

    Research output: Contribution to journalJournal articleCommunication

  232. Published

    Post-fire regeneration strategies and tree bark resistance to heating in frequently burning tropical savanna woodlands and grasslands in Ethiopia

    Gashaw, M., Michelsen, A., Friis, Ib, Jensen, M., Demissew, S. & Zerihun, W., 2002, In: Nordic Journal of Botany. 22, p. 19-33

    Research output: Contribution to journalJournal articleResearchpeer-review

  233. Published

    Potential Natural Vegetation Map of Eastern Africa (Burundi, Ethiopia, Kenya Malawi, Rwanda, Tanzania, Uganda and Zambia). Version 2.0

    van Breugel, P., Kindt, R., Lillesø, Jens-Peter Barnekow, Bingham, M., Demissew, S., Dudley, C., Friis, Ib, Gachathi, F., Kalema, J., Mbago, F., Moshi, H. N., Mulumba, J. W., Namaganda, M., Ndangalasi, H. J., Ruffo, C. K., Minani, V., Jamnadass, R. & Graudal, Lars, 2015

    Research output: Other contributionNet publication - Internet publicationResearch

  234. Published

    Potential Natural Vegetation of Eastern Africa (Ethiopia, Kenya, Malawi, Rwanda, Tanzania, Uganda and Zambia). Volume 3: Description and Tree Species Composition for Woodland and Wooded Grassland Potential Natural Vegetation Types

    Kindt, R., van Breugel, P., Lillesø, Jens-Peter Barnekow, Bingham, M., Demissew, S., Dudley, C., Friis, Ib, Gachathi, F., Kalema, J., Mbago, F., Minani, V., Moshi, H. N., Mulumba, J., Namaganda, M., Ndangalasi, H. J., Ruffo, C. K., Jamnadass, R. & Graudal, Lars, 2011, Forest & Landscape, University of Copenhagen. 177 p. (Forest & Landscape Working Papers, Vol. 63/2011).

    Research output: Book/ReportReportResearch

  235. Published

    Potential Natural Vegetation of Eastern Africa (Ethiopia, Kenya, Malawi, Rwanda, Tanzania, Uganda and Zambia). Volume 1: The Atlas

    Lillesø, Jens-Peter Barnekow, van Breugel, P., Kindt, R., Bingham, M., Demissew, S., Dudley, C., Friis, Ib, Gachathi, F., Kalema, J., Mbago, F., Minani, V., Moshi, H. N., Mulumba, J., Namaganda, M., Ndangalasi, H. J., Ruffo, C., Jamnadass, R. & Graudal, Lars, 2011, Forest & Landscape, University of Copenhagen. 149 p. (Forest & Landscape Working Papers, Vol. 61/2011).

    Research output: Book/ReportReportResearch

  236. Published

    Potential Natural Vegetation of Eastern Africa (Ethiopia, Kenya, Malawi, Rwanda, Tanzania, Uganda and Zambia). Volume 6: An Overview of The Methods and Material Used to Develop The Map

    van Breugel, P., Kindt, R., Lillesø, Jens-Peter Barnekow, Bingham, M., Demissew, S., Dudley, C., Friis, Ib, Gachathi, F., Kalema, J., Mbago, F., Minani, V., Moshi, H. N., Mulumba, J., Namaganda, M., Ndangalasi, H. J., Ruffo, C. K., Jamnadass, R. & Graudal, Lars, 2011, Forest & Landscape, University of Copenhagen. 139 p. (Forest & Landscape Working Papers, Vol. 68/2011).

    Research output: Book/ReportReportResearch

  237. Published

    Potential Natural Vegetation of Eastern Africa(Ethiopia, Kenya, Malawi, Rwanda, Tanzania, Uganda and Zambia). Volume 7: Projected Distributions of Potential Natural Vegetation Types and Two Important Agroforestry Species (Prunus Africana and Warburgia Ugandensis) for Six Possible Future Climates

    van Breugel, P., Kindt, R., Lillesø, Jens-Peter Barnekow, Bingham, M., Demissew, S., Dudley, C., Friis, Ib, Gachathi, F., Kalema, J., Mbago, F., Minani, V., Moshi, H. N., Mulumba, J., Namaganda, M., Ndangalasi, H. J., Ruffo, C. K., Jamnadass, R. & Graudal, Lars, 2011, Forest & Landscape, University of Copenhagen. 63 p. (Forest & Landscape Working Papers, Vol. 69/2011).

    Research output: Book/ReportReportResearch

  238. Published

    Potential natural vegetation of Eastern Africa (Ethiopia, Kenya, Malawi, Rwanda, Tanzania, Uganda and Zambia). Volume 2: Description and tree species composition for forest potential natural vegetation types

    Kindt, R., van Breugel, P., Lillesø, Jens-Peter Barnekow, Bingham, M., Demissew, S., Dudley, C., Friis, Ib, Gachathi, F., Kalema, J., Mbago, F., Minani, V., Moshi, H. N., Mulumba, J., Namaganda, M., Ndangalasi, H. J., Ruffo, C. K., Jamnadass, R. & Graudal, Lars, 2011, Forest & Landscape, University of Copenhagen. 233 p. (Forest & Landscape Working Papers; No. 62/2011).

    Research output: Book/ReportReportResearch

  239. Published

    Potential natural vegetation of Eastern Africa (Ethiopia, Kenya, Malawi, Rwanda, Tanzania, Uganda and Zambia). Volume 4: Description and tree species composition for bushland and thicket potential natural vegetation types

    Kindt, R., van Breugel, P., Lillesø, Jens-Peter Barnekow, Bingham, M., Demissew, S., Dudley, C., Friis, Ib, Gachathi, F., Kalema, J., Mbago, F., Minani, V., Moshi, H. N., Mulumba, J., Namaganda, M., Ndangalasi, H. J., Ruffo, C. K., Jamnadass, R. & Graudal, Lars, 2011, Forest & Landscape, University of Copenhagen. 111 p. (Forest & Landscape Working Papers; No. 64/2011).

    Research output: Book/ReportReportResearch

  240. Published

    Potential natural vegetation of Eastern Africa (Ethiopia, Kenya, Malawi, Rwanda, Tanzania, Uganda and Zambia). Volume 5: Description and tree species composition for other potential natural vegetation types (vegetation types other than forests, woodlands, wooded grasslands, bushlands and thickets)

    Kindt, R., Lillesø, Jens-Peter Barnekow, van Breugel, P., Bingham, M., Demissew, S., Dudley, C., Friis, Ib, Gachathi, F., Kalema, J., Mbago, F., Minani, V., Moshi, H. N., Mulumba, J., Namaganda, M., Ndangalasi, H. J., Ruffo, C. K., Jamnadass, R. & Graudal, Lars, 2011, Forest & Landscape, University of Copenhagen. 132 p. (Forest & Landscape Working Papers; No. 65/2011).

    Research output: Book/ReportReportResearch

  241. Published

    Pouzolzia rugulosa transferred from Boehmeria, and the distinction between Boehmeria and Pouzolzia (Urticaceae)

    Wilmot-Dear, C. M., Acharya, N., Kravtsova, T. I. & Friis, Ib, 2009, In: Edinburgh Journal of Botany. 66, 1, p. 51-64 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  242. Published

    Prefatory Notes about the Expedition to Egypt and Yemen and the Background of this Work

    Friis, Ib, 2010, The Arabic Plant Names of Peter Forsskål's Flora Aegyptiaco-Arabica. Provençal, P. (ed.). Det Kongelige Danske Videnskabernes Selskab, p. 5-8 4 p. (Biologiske skrifter, Vol. 57).

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  243. Published

    Progress made in the botanical exploration of Africa: Ethiopia

    Friis, Ib, 1976, In: Boissiera. 24, p. 599-599

    Research output: Contribution to journalJournal articleResearch

  244. Published

    Progress with the botanical exploration of Ethiopia and Eritrea during the last forty years

    Friis, Ib, 2002, In: Systematics and Geography of Plants. 71, 2, p. 165-186

    Research output: Contribution to journalJournal articleResearchpeer-review

  245. Published

    Proposal to amend the International Code of Botanical Nomenclature: (93) The problem of non-binary species-names in works published after 1 May 1753, with a proposal to amend ICBN

    Friis, Ib & Jeffrey, C., 1986, In: Taxon. 3, p. 397-400

    Research output: Contribution to journalJournal articleResearchpeer-review

  246. Published

    Proposal to amend the International Code of Botanical Nomenclature: Proposal to replace Art. 42.2 with new Art. 42.2 and Art. 42.3

    Friis, Ib, 1986, In: Taxon. 35, p. 400-403

    Research output: Contribution to journalJournal articleResearchpeer-review

  247. Published

    Proposal to conserve 1648 Graphorkis Du Petit-Thouars (1804 - Orchidaceae) with a conserved type

    Friis, Ib & Rasmussen, Finn N., 1984, In: Taxon. 33, p. 114-116

    Research output: Contribution to journalJournal articleResearchpeer-review

  248. Published

    Proposal to conserve the generic name Hagenia J. F. Gmel. over Bankesia Bruce (Rosaceae)

    Friis, Ib, Hepper, F. N. & Jansen, P. C. M., 1980, In: Taxon. 29, p. 511-512

    Research output: Contribution to journalJournal articleResearchpeer-review

  249. Published

    Proposal to conserve the name Capparis cartilaginea against C. inermis (Capparaceae)

    Rivera, D., Friis, Ib, Inocencio, C., Obou, C., Alcaraz, F. & Reales, A., 2003, In: Taxon. 52, p. 357-357

    Research output: Contribution to journalJournal articleResearchpeer-review

  250. Published

    Proposal to reject the name Pentocnide so as to maintain Phenax (Urticaceae)

    Friis, Ib & Wilmot-Dear, C. M., 1997, In: Taxon. 46, p. 773-774

    Research output: Contribution to journalJournal articleResearchpeer-review

  251. Published

    På sporet af Luigi Balugani - James Bruce's assistent i Afrika

    Friis, Ib, 1991, In: Naturens Verden. 11/12, p. 409-425

    Research output: Contribution to journalJournal articleCommunication

  252. Published

    Rafinesque's Valentiana volubilis, and the early botanical collections from Ethiopia

    Friis, Ib, 1986, In: Taxon. 35, p. 358-361

    Research output: Contribution to journalJournal articleResearchpeer-review

  253. Published

    Reconsideration of the African species Sesbania sudanica and S. hepperi (Leguminosae subfam. Papilionoideae) as to their variation in Ethiopia

    Bidgood, S. & Friis, Ib, 2009, In: Kew Bulletin. 64, 2, p. 301-305 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  254. Published

    Reinstatement of Lindackeria somalensis (Flacourtiaceae)

    Friis, Ib, 1991, In: Willdenowia. 20, p. 127-30

    Research output: Contribution to journalJournal articleResearchpeer-review

  255. Published

    Report on the election of IAPT Officers and Council, 1999-2005

    Friis, Ib, 1999, In: Taxon. 48, 3, p. 605-607

    Research output: Contribution to journalJournal articleResearch

  256. Published

    Review of the History, Taxonomy and Nomenclature of Ensete and the Objectives and Expectations of the International Workshop on Ensete ventricosum (Welw.) Cheeseman

    Demissew, S. & Friis, Ib, 31 Dec 2018, In: Ethiopian Journal of Biological Sciences. 17 (Supplementum), p. 1-23

    Research output: Contribution to journalJournal articleResearchpeer-review

  257. Published

    Rolf and Gertrud Dahlgren Prize for 2023 Awarded to Louis Ronse De Craene

    Friis, Ib & de Vere, Natasha, 2024, In: Taxon. 73 , 2, p. 656–657

    Research output: Contribution to journalComment/debateResearchpeer-review

  258. Published

    Sapotaceae

    Friis, Ib, 2006, Flora of Somalia. Thulin, M. (ed.). Royal Botanic Gardens, Kew: Royal Botanic Gardens, Vol. 3. p. 12-18

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  259. Published

    Savannebrande i Afrikas Sudan-Guineabælte

    Rasmussen, Kjeld, Christensen, Søren, Friis, Ib, Kjøller, A. H., Michelsen, Anders, Nielsen, T. T. & Saarnak, C. F. L., 2001, In: Den ny verden. 1, p. 7-26

    Research output: Contribution to journalJournal articleResearch

  260. Published

    Selection of appropriate species and management methods in tree planting: case studies from Ethiopia

    Friis, Ib & Michelsen, Anders, 1996, The Sahel - International Environmental Conventions, Health and Environment, Afforestation and Environment. Serien C. Occacional Papers nr. 3. København, p. 101-117

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  261. Published

    Silfium - den gådefulde plante

    Friis, Ib, 2007, In: Sfinx. 30, 3, p. 114-115

    Research output: Contribution to journalJournal articleCommunication

  262. Published

    Skovene på Afrikas Horn

    Friis, Ib, 1993, Carlsbergfondet - Frederiksborgmuseet - Ny Carlsbergfondet. Årskrift 1993. København: Projekt EDB I Undervisningen, p. 9-21

    Research output: Chapter in Book/Report/Conference proceedingBook chapterCommunication

  263. Published

    Skovtræsfloraen i det nordøstlige tropiske Afrika (Etiopien, Djibouti og Somalia) - En sammenfattende redegørelse for tidligere studier

    Friis, Ib, 1991, København: Eget forlag. 108 p.

    Research output: Book/ReportDoctoral thesisResearch

  264. Published

    Soil seed bank dynamics of fire-prone wooded grassland, woodland and dry forest ecosystems in Ethiopia

    Gashaw, M., Michelsen, A., Jensen, M. & Friis, Ib, 2002, In: Nordic Journal of Botany. 22, p. 5-17

    Research output: Contribution to journalJournal articleResearchpeer-review

  265. Published

    Some general features of the Afromontane and Afrotemperate floras of the Sudan, Ethiopia and Somalia

    Friis, Ib, 1994, Proceedings of the 13th Plenary Meeting of AETFAT, Zomba, Malawi, 2-11 April 1991, Vol 2. Seyani, J. H. & Chikuni, A. C. (eds.). Zomba, Malawi, p. 953-968

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  266. Published

    Species diversity and vegetation structure of woody plants in regenerating Juniperus forest replacing Eucalyptus in the conservation area of Gullele Botanic Garden, Addis Ababa, Ethiopia

    Atinafe, E., Weber, O., Friis, Ib & Seta, T., 2023, In: Webbia. 78, 2, p. 49-71

    Research output: Contribution to journalJournal articleResearchpeer-review

  267. Published

    Status, typification, and synonymy of some early names for South Asian and Oceanian plants proposed in Urtica or in other genera now in the Urticaceae

    Friis, Ib, Wilmot-Dear, C. M. & Moore, A., 2023, In: Taxon. 72, 6, p. 1343-1352 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  268. Published

    Studies in the flora and vegetation of SW Ethiopia

    Friis, Ib, Rasmussen, Finn N. & Vollesen, K., 1982, In: Opera Botanica. 63, p. 1-70

    Research output: Contribution to journalJournal articleResearchpeer-review

  269. Published

    Studies in the genus Haemanthus (Amaryllidaceae) I. The infrageneric taxonomy

    Friis, Ib & Bjørnstad, I., 1972, In: Norwegian Journal of Botany. 19, p. 187-206

    Research output: Contribution to journalJournal articleResearchpeer-review

  270. Published

    Studies in the genus Haemanthus (Amaryllidaceae) II. A revision of the section Demeusea (De Wild. & Th. Dur.) Pax & Hoffm. emend Bjørnst. & Friis

    Friis, Ib & Bjørnstad, I., 1972, In: Norwegian Journal of Botany. 19, p. 207 — 222.

    Research output: Contribution to journalJournal articleResearchpeer-review

  271. Published

    Studies in the genus Haemanthus (Amaryllidaceae) III. A revision of the sections Gyaxis and Nerissa

    Friis, Ib & Bjørnstad, I., 1974, In: Norwegian Journal of Botany. 21, p. 243-275

    Research output: Contribution to journalJournal articleResearchpeer-review

  272. Published

    Studies in the genus Haemanthus (Amaryllidaceae) IV. Division of the genus into Haemanthus s. str. and Scadoxus, with notes on Haemanthus s. str

    Friis, Ib & Nordal, I., 1976, In: Norwegian Journal of Botany. 23, p. 63-77

    Research output: Contribution to journalJournal articleResearchpeer-review

  273. Published

    Studies in tropical African Urticaceae and Moraceae

    Friis, Ib, 1984, Uppsala, Sverige: Anacapri. 40 p. (Acta Universitatis Uppsaliensis, Vol. 761.).

    Research output: Book/ReportDoctoral thesisResearch

  274. Published

    Sub-Saharan Botanical Collections: Taxonomic research and impediments

    Demissew, S., Beentje, H., Cheek, M. & Friis, Ib, 2017, Tropical Plant Collections: Legacies from the Past? Essential Tools for the Future?: Proceedings of an international symposium held by The Royal Danish Academy of Sciences and Letters in Copenhagen, 19th–21st of May, 2015. Friis, I. & Balslev, H. (eds.). Copenhagen: Det Kongelige Danske Videnskabernes Selskab, Vol. Scientia Danica, Series B, Biologica, Vol. 6. p. 97-115 19 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  275. Published

    Supplerende noter til Kormofyternes Taxonomi: Angiospermae

    Dahlgren, R., Frederiksen, S., Friis, Ib & Rasmussen, Finn N., 1990, 2. ed. Botanisk Laboratorium, Københavns Universitet. 70 p.

    Research output: Book/ReportCompendium/lecture notesEducation

  276. Published

    Svend Thorkild Andersen. 12. september 1926 - 8. februar 2009

    Friis, Ib, 2011, Oversigt over Selskabets Virksomhed 2009-2010. Det Kongelige Danske Videnskabernes Selskab, Vol. 2009-2010. p. 174-186 13 p. (Kongelige Danske Videnskabernes Selskab. Oversigt over Selskabets Virksomhed, Vol. 2009/2010).

    Research output: Chapter in Book/Report/Conference proceedingReport chapterCommunication

  277. Published

    THE IDENTITY OF E. CHIOVENDAS SOMALIAN SAPOTACEAE

    Friis, Ib, 1985, In: Kew Bulletin.

    Research output: Contribution to journalJournal articleResearchpeer-review

  278. Published

    Temperate and Tropical Plant Collections: The changing species concept and other ideas behind their development

    Friis, Ib, 2017, Tropical Plant Collections: Legacies from the Past? Essential Tools for the Future?: Proceedings of an international symposium held by The Royal Danish Academy of Sciences and Letters in Copenhagen, 19th–21st of May, 2015. Friis, I. & Balslev, H. (eds.). København: Det Kongelige Danske Videnskabernes Selskab, Vol. Scientia Danica B, vol. 6. p. 15-38 24 p. (Scientia Danica. Series B, Biologica, Vol. 6).

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  279. Published

    Ten proposals to amend the Code, and Report of the Special Committee on Binary Combinations

    Friis, Ib, 1992, In: Taxon. 42, p. 343-350

    Research output: Contribution to journalJournal articleResearchpeer-review

  280. Published

    The Icones ... florae Danicae ... (1761-1883) as a source of names of flowering plants

    Friis, Ib, 1996, In: Symbolae Botanicae Upsaliensis. 31, 3, p. 7-25

    Research output: Contribution to journalJournal articleResearchpeer-review

  281. Published

    The Distribution of Phenax sonneratii and the identity of Pouzolzia conulifera (Urticaceae)

    Friis, Ib, 1993, In: Kew Bulletin. 48, 2, p. 407-409

    Research output: Contribution to journalJournal articleResearchpeer-review

  282. Published

    The East African Flora, and those who study it, have lost a great friend, Kew botanist Sally Bidgood: 13 April 1948–18 March 2018

    Friis, Ib, 2018, In: Journal of East Africa Natural History. 107, 1, p. 31-36 6 p.

    Research output: Contribution to journalJournal articleCommunication

  283. Published

    The Ethiopian Flora Project: a springboard to other projects

    Demissew, S., Brochmann, C., Kelbessa, E., Friis, Ib, Nordal, I., Nemomissa, S., Woldemariam, T., Bekele, T., Asfaw, Z. & Woldu, Z., 31 Dec 2011, In: Symbolae Botanicae Upsalienses. 35, 2, p. 189-215 27 p.

    Research output: Contribution to journalJournal articleResearch

  284. Published

    The Flora of Ethiopia and Eritrea project concluded with a fourth Flora of Ethiopia and Eritrea-symposium held in Uppsala, Sweden

    Friis, Ib, 2009, In: Webbia. 64, 2, p. 267-270 4 p.

    Research output: Contribution to journalJournal articleResearch

  285. Published

    The Gerire Hills, SE Ethiopia: ecology and phytogeographical position of an additional local endemic, Anacampseros specksii (Anacampserotaceae)

    Friis, Ib, Gilbert, M. G., Weber, O., van Breugel, P. & Demissew, S., 2019, In: Webbia. 74, 2, p. 185-192

    Research output: Contribution to journalJournal articleResearchpeer-review

  286. Published

    The Gerire Hills, a SE Ethiopian outpost of the transitional semi-evergreen bushland: vegetation, endemism and three new species, Croton elkerensis (Euphorbiaceae), Gnidia elkerensis (Thymelaeaceae), and Plectranthus spananthus (Lamiaceae)

    Friis, Ib, Gilbert, M. G., Paton, A. J., Weber, O., van Breugel, P. & Demissew, S., 3 Jul 2018, In: Webbia. 72, 2, p. 203-223

    Research output: Contribution to journalJournal articleResearchpeer-review

  287. Published

    The Old World species of Pouzolzia (Urticaceae, tribus Boehmerieae). A taxonomic revision

    Wilmot-Dear, C. M. & Friis, Ib, 2006, In: Nordic Journal of Botany. 24, p. 5-115

    Research output: Contribution to journalJournal articleResearchpeer-review

  288. Published

    The Old World species of Boehmeria (Urticaceae, tribus Boehmerieae): a taxonomic revision

    Wilmot-Dear, C. M. & Friis, Ib, 27 Sep 2013, In: Blumea. 58, 2, p. 85-216 132 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  289. Published

    The Plants of Pehr Forsskål's Flora Aegyptiaco Arabica

    Hepper, F. N. & Friis, Ib, 1996, The Biodiversity of African Plants - Proceedings of the 14th AETFAT Congress. van der Maesen, L. J. G., van der Burgt, X. M. & van Mendenbach de Rooy, J. M. (eds.). Dordrecht: Plenum Publishing Corporation, p. 38-39

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  290. Published

    The Plants of Pehr Forsskål's Flora-Aegyptiaco Arabica - collected on the Royal Danish expedition to Egypt and Yemen 1761-63

    Hepper, F. N. & Friis, Ib, 1994, Kew, England: Royal Botanic Gardens. 400 p.

    Research output: Book/ReportBookResearch

  291. Published

    The Rolf Dahlgren-prize for 2014 awarded to Vicki Funk

    Friis, Ib, 2015, In: Taxon. 64, 2, p. 405 1 p.

    Research output: Contribution to journalJournal articleResearch

  292. Published

    The Rolf and Gertrud Dahlgren Prize for 2017 Awarded to Hans Walter Lack

    Friis, Ib, 2018, In: Taxon. 67, 1, p. 231 1 p.

    Research output: Contribution to journalJournal articleCommunication

  293. Published

    The Tropical East African Urticaceae as a sample plant biodiversity study: What does it show about taxa, habitats, existing scientific collections and protected areas?

    Friis, Ib, 2008, In: African Journal of Ecology. 46, Suppl. 1, p. 122-124

    Research output: Contribution to journalJournal articleResearchpeer-review

  294. Published

    The Urticaceae - a taxonomical review

    Friis, Ib, 1989, Taxonomy and evolution of the Hamamelideae.: ("Higher Hamamelideae"). Crane, P. & Blackmoore, S. (eds.). Oxford: Oxford University Press, Vol. 2. p. 285-308.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  295. Published

    The Western Woodland of Ethiopia: A study of the woody vegetation and flora between the Ethiopian Highlands and the lowlands of the Nile Valley in the Sudan and South Sudan

    Friis, Ib, van Breugel, P., Weber, O. & Demissew, S., 2022, Det Kongelige Danske Videnskabernes Selskab. 521 p. (Scientia Danica. Series B, Biologica, Vol. 9).

    Research output: Book/ReportBookResearchpeer-review

  296. Published

    The acaulescent and succulent species of Dorstenia sect. Kosaria (Moraceae) from NE tropical Africa and Arabia

    Friis, Ib, 1983, In: Nordic Journal of Botany. 3, p. 533-538

    Research output: Contribution to journalJournal articleResearchpeer-review

  297. Published

    The authority and date of publication of the genus Casuarina (Casuarinaceae) and its type species

    Friis, Ib, 1980, In: Taxon. 29, p. 511-512

    Research output: Contribution to journalJournal articleResearchpeer-review

  298. Published

    The biology subject group [in The Royal Danish Academy of Sciences and Letters]

    Friis, Ib & Wang, T., 2017, The Royal Danish Academy of Sciences and Letters 1742-2017: A jubilee Celebratory Publication. Nielsen, M. A. (ed.). Copenhagen: Det Kongelige Danske Videnskabernes Selskab, p. 153-179 27 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterCommunication

  299. Published

    The botanical identity of Mimusops in ancient Egyptian tombs

    Friis, Ib, Hepper, F. N. & Gasson, P., 1986, In: Journal of Egyptian Archaeology. 72, p. 201-204

    Research output: Contribution to journalJournal articleResearchpeer-review

  300. Published

    The endangered Ethiopian endemic Crotalaria trifoliolata (Leguminosae-Papilionoideae) and its little-known habitat

    Friis, Ib, Weber, O., van Breugel, P. & Demissew, S., 1 Sep 2016, Contributions to Botany.: Dedicated to Inga Hedberg.. Lidén, M. & D. M. (eds.). Uppsala: Uppsala University, p. 19-39 (Symbolae Botanicae Upsalienses, Vol. 38).

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  301. Published

    The evergreen forests of tropical N.E. Africa

    Friis, Ib & Mesfin Tadesse, 1990, In: Mitteilungen aus dem Institut für allgemeine Botanik in Hamburg. 23A, p. 249 - 263.

    Research output: Contribution to journalJournal articleResearchpeer-review

  302. Published

    The flora of woody plants and vegetation on the Horn of Africa

    Friis, Ib, 3 Jan 2017

    Research output: Other contributionNet publication - Internet publicationCommunication

  303. Published

    The forest vegetation of Ethiopia

    Friis, Ib, 1986, In: Symbolae Botanicae Uppsaliensis. 26, p. 31-47

    Research output: Contribution to journalJournal articleResearchpeer-review

  304. Published

    The future of East African scientific and reference collections of animals and plants

    Friis, Ib, 2008, In: African Journal of Ecology. 46, Suppl. 1, p. 120-121

    Research output: Contribution to journalJournal articleResearchpeer-review

  305. Published

    The genus Urera Gaud. (Urticaceae) in eastern tropical Africa

    Friis, Ib, 1986, In: Nordic Journal of Botany. 5, p. 547-553

    Research output: Contribution to journalJournal articleResearchpeer-review

  306. Published

    The genus Plumbago (Plumbaginaceae) in Ethiopia and Eritrea

    Friis, Ib, Wilmot-Dear, M., Edmondson, J. R., Wondafrash, M. & Demissew, S., 15 Dec 2012, In: Webbia. 67, 2, p. 157-177 21 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  307. Published

    The giant species of Cirsium (Asteraceae) in S Ethiopia

    Friis, Ib, 1975, In: Norwegian Journal of Botany. 22, p. 201 - 207

    Research output: Contribution to journalJournal articleResearchpeer-review

  308. Published

    The identity of Hypseloderma jubense (Sapindaceae)

    Friis, Ib & Vollesen, K., 1985, In: Kew Bulletin. 40, p. 859-861

    Research output: Contribution to journalJournal articleResearchpeer-review

  309. Published

    The identity of Polyscias lepidota Chiov. (1940) - A name missing in Vol. 3 of the Flora of Ethiopia

    Friis, Ib, 2001, In: Biologiske Skrifter (Biological Series). 54, p. 49-54

    Research output: Contribution to journalJournal articleResearchpeer-review

  310. Published

    The identity of Rumicicarpus ramosissimus Chiov. (Tiliaceae)

    Friis, Ib, 1982, In: Nordic Journal of Botany. 2, p. 111-113

    Research output: Contribution to journalJournal articleResearchpeer-review

  311. Published

    The identity of Urera longifolia and U. oligoloba, a supplement to Chew's monograph of Laportea (Urticaceae)

    Friis, Ib, 1982, In: Nordic Journal of Botany. 2, p. 231-233

    Research output: Contribution to journalJournal articleResearchpeer-review

  312. Published

    The identity of Chiovenda's species of Olea (Oleaceae)

    Friis, Ib, 1987, In: Kew Bulletin. 42, p. 586 1 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  313. Published

    The identity of E. Chiovenda's Somalian Sapotaceae

    Friis, Ib, 1985, In: Kew Bulletin. 40, p. 395-398

    Research output: Contribution to journalJournal articleResearchpeer-review

  314. Published

    The identity of the Ethiopian monotypic genus Tzellemtinia Chiov

    Friis, Ib & Vollesen, K., 1980, In: Botaniska Notiser. 133, p. 347-349

    Research output: Contribution to journalJournal articleResearch

  315. Published

    The lectotypification of two names referred by Linnaeus to the genus Illecebrum (Caryophyllales): Illecebrum benghalense and Iresine javanica, with comments on Aerva tomentosa

    Iamonico, D. & Friis, Ib, Oct 2017, In: Taxon. 66, 5, p. 1208-1212 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  316. Published

    The scientific study of the flora of Ethiopia and Eritrea up to the beginning of the Ethiopian Flora Project (1980)

    Friis, Ib, 2009, Flora of Ethiopia and Eritrea, vol. 8: General part and index to Vols 1-7. Hedberg, I., Friis, I. & Persson, E. (eds.). Addis Abeba; Uppsala: National Herbarium, Addis Abeba University, Vol. 8. p. 5-25 21 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  317. Published

    The spelling of Pehr Forsskål's family name

    Friis, Ib & Thulin, M., 1984, In: Taxon. 33, p. 668-672

    Research output: Contribution to journalJournal articleResearchpeer-review

  318. Published

    The taxonomy and distribution of Mimusops laurifolia (Sapotaceae)

    Friis, Ib, 1981, In: Kew Bulletin. 35, p. 785-792

    Research output: Contribution to journalJournal articleResearchpeer-review

  319. Published

    The transitional semi-evergreen bushland in Ethiopia: Characterization and mapping its distribution using predictive modelling

    van Breugel, P., Friis, Ib & Sebsebe, D., 2016, In: Applied Vegetation Science. 19, 2, p. 355-367 13 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  320. Published

    The two alternative systems of nomenclature proposed and used for orchids by Du Petit-Thouars

    Friis, Ib & Rasmussen, Finn N., 1975, In: Taxon. 24, p. 307-318

    Research output: Contribution to journalJournal articleResearchpeer-review

  321. Published

    The typification and identity of three species of Parietaria L. (Urticaceae), ostensibly described from South Africa

    Friis, Ib, 1986, In: Taxon. 35, p. 701-705

    Research output: Contribution to journalJournal articleResearchpeer-review

  322. Published

    The typification of Capparis inermis Forssk., C. sinaica Veill. and C. cartilaginea Decne (Capparaceae)

    Rivera, D., Friis, Ib, Inocencio, C., Obón, C., Alcaraz, F. & Reales, A., 2003, In: Taxon. 52, p. 307-311

    Research output: Contribution to journalJournal articleResearchpeer-review

  323. Published

    The typification of Forsskaolea viridis Ehrenb. ex Webb (Urticaceae)

    Friis, Ib, 1982, In: Taxon. 31, p. 727-729

    Research output: Contribution to journalJournal articleResearchpeer-review

  324. Published

    The wild populations of Coffea arabica L. and the cultivated coffee

    Friis, Ib, 1979, Taxonomic Aspects of African Economic Botany: Proceedings of the IXth Plenary Meeting of AETFAT.. Kunkel, G. (ed.). Las Palmas de Gran Canaria., p. 63-68

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  325. Published

    Three Symposia on the Flora of Ethiopia and Eritrea

    Friis, Ib, 2001, In: Biologiske Skrifter (Biological Series). 54, p. 5-11

    Research output: Contribution to journalJournal articleResearch

  326. Published

    Travelling among fellow Christians (1768-1833): James Bruce, Henry Salt and Eduard Rüppell in Abyssinia

    Friis, Ib, 15 Dec 2013, Early scientific expeditions and local encounters: new perspectives on Carsten Niebuhr and 'The Arabian Journey': proceedings of a symposium on the occasion of the 250th anniversary of the the Royal Danish Expedition to Arabia Felix.. Friis, I., Harbsmeier, M. & Simonsen, J. B. (eds.). Det Kongelige Danske Videnskabernes Selskab, p. 161-194 34 p. (Scientia Danica, Series H, Humanistica, Vol. 4, vol. 2.).

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  327. Published

    Troels Myndel Pedersen (1916-2000)

    Friis, Ib, 2000, In: Taxon. 49, 3, p. 573-575

    Research output: Contribution to journalJournal articleCommunication

  328. Published

    Tropical Plant Collections: Legacies from the past? Essential tools for the future?

    Friis, Ib (ed.) & Balslev, H. (ed.), 2017, Copenhagen: Det Kongelige Danske Videnskabernes Selskab. 320 p. (Scientia Danica. Series B, Biologica, Vol. 6).

    Research output: Book/ReportAnthologyResearchpeer-review

  329. Published

    Two distinctive new species of Commicarpus (Nyctaginaceae) from gypsum outcrops in eastern Ethiopia.

    Friis, Ib, Gilbert, M. G., Weber, O. & Demissew, S., 2016, In: Kew Bulletin. 71, 19 p., 34.

    Research output: Contribution to journalJournal articleResearchpeer-review

  330. Published

    Two new taxa and a new combination in Urticaceae for the Flora Zambesiaca

    Friis, Ib, 1986, In: Boletim da Sociedade Broteriana, Sér. 2,. 58, p. 201-214

    Research output: Contribution to journalJournal articleResearchpeer-review

  331. Published

    Two notes on Urticaceae: a correction in New World Pouzolzia, and a new species record of Droguetia for Madagascar

    Friis, Ib & Wilmot-Dear, C. M., 2002, In: Kew Bulletin. 57, p. 1005-1006

    Research output: Contribution to journalJournal articleResearchpeer-review

  332. Published

    Typification of Debregeasia longifolia and the status of Missiessya (Urticaceae: Boehmerieae)

    Friis, Ib, Wilmot-Dear, C. M. & Monro, A., 17 Jun 2013, In: Taxon. 62, 3, p. 622-625 4 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  333. Published

    URTICACEAE Jus. (1789, 'Urticeae'), nom. cons.

    Friis, Ib, 2018, Flore du Gabon - Oleaceae, Podostemaceae, Urticaceae. Sosef, M. S. M., Florence, J., Banak, L. N., Bourobou, H. P. B. & Bissiengou, P. (eds.). Leiden: Markgraf Publishers, Weikensheim; Backhuys Publishers, Leiden., Vol. 51. p. 47-87 41 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  334. Published

    Udstillingskatalog "Guldalderbotanik - Forskning og folkeoplysning 1800-1850"

    Friis, Ib, 2000, København

    Research output: Other contributionCommunication

  335. Published

    Urticaceae

    Friis, Ib & Jørgensen, P. M., 1999, Catalogue of the Vascular Plants of Ecuador. Jørgensen, P. M. & León-Yánez, S. (eds.). St. Louis, Missouri, USA: Missouri Botanical Garden, p. 930-934, 956

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  336. Published

    Urticaceae

    Friis, Ib, 1993, The Families and Genera of Vascular Plants: Flowering Plants, Dicotyledones (Magnolid, Hamamelid and Caryophyllid Families). Kubitzki, K., Roher, J. G. & Bittrich, V. (eds.). Berlin: Springer, Vol. 2. p. 612-630

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  337. Published

    Urticaceae

    Friis, Ib, 1991, Flora Zambesiaca (Mozambique, Malawi, Zambia, Zimbabwe, Botswana, Caprivi Strip). Launert, E. (ed.). London, Vol. 9, 6. p. 79-116

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  338. Published

    Urticaceae

    Friis, Ib, 1989, Flora of Tropical East Africa: Urticaceae. Polhill, R. M. & Polhill, D. (eds.). Rotterdam: A.A. Balkema, 65 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  339. Published

    Urticaceae

    Chen, J., Lin, Q., Friis, Ib, Wilmot-Dear, C. M. & Monro, A. K., 2004, Flora of China: Ulmaceae Through Basellaceae. Wu, Z. Y., Raven, P. H. & Hong, D. Y. (eds.). St. Louis, USA: Missouri Botanical Garden Press, Vol. 5. p. 76-189

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  340. Published

    Urticaceae

    Friis, Ib & Immelman, K. L., 2001, Flora of Southern Africa. Germishuizen, G. (ed.). Pretoria, South Africa: National Botanical Institute, Vol. 9. p. 1-36

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  341. Published

    Validation of names of new species by reference to previously published descriptions of new genera without valid species names

    Friis, Ib, 1984, In: Taxon. 33, p. 301-308

    Research output: Contribution to journalJournal articleResearchpeer-review

  342. Published

    Validity of names published by Forsskål and Aublet

    Friis, Ib, Brummitt, R. K., Hepper, F. N., Jeffrey, C., Taylor, N. P., Verdcourt, B., Howard, R. A. & Nicolson, D. H., 1984, In: Taxon. 33, p. 495-496

    Research output: Contribution to journalJournal articleResearchpeer-review

  343. Published

    Variation in Macaranga capensis (Euphorbiaceae)

    Friis, Ib & Gilbert, M. G., 1986, In: Kew Bulletin. p. 68-68

    Research output: Contribution to journalJournal articleResearchpeer-review

  344. Published

    Vegetation maps of Ethiopia and Eritrea. A review of existing maps and the need for a new map for the Flora of Ethiopia and Eritrea

    Friis, Ib & Demissew, S., 2001, In: Biologiske Skrifter (Biological Series). 54, p. 399-439

    Research output: Contribution to journalJournal articleResearchpeer-review

  345. Published

    Vej til imperiets fjerneste kyst

    Friis, Ib, 2004, In: 1066 Tidsskrift for Historie. 34, 4, p. 16-28

    Research output: Contribution to journalJournal articleCommunication

  346. Published

    Warmings "Frøplanterne" - en forrygende succes

    Friis, Ib, 1992, In: URT (Særnummer "Eug. Warming og botanikken). 1991: 5, p. 11-23

    Research output: Contribution to journalJournal articleCommunication

  347. Published

    Wild plants

    Friis, Ib, 2010, Encyclopaedia Aethiopica. Uhlig, S. & Bausi, A. (eds.). Wiesbaden: Harrassowitz Verlag, Vol. Vol. 4 (O-X). p. 159-160 2 p.

    Research output: Chapter in Book/Report/Conference proceedingEncyclopedia chapterResearch

  348. Published

    Wildpflanzen

    Friis, Ib, 1 Nov 2018, Äthiopien: Geschichte, Kultur, Herausforderungen. Uhlig, S., Appleyard, D., Bausi, A., Hahn, W. & Kaplan, S. (eds.). Wiesbaden: Harrassowitz Verlag, p. 31-35

    Research output: Chapter in Book/Report/Conference proceedingBook chapterCommunication

  349. Published

    Zanthoxylum gilletii (Rutaceae) - a mainly Guineo-Congolian forest tree with a newly discovered disjunction to western Ethiopia

    Friis, Ib & Vollesen, K., 2010, Systematics and conservation of african plants: proceedings of the 18th AETFAT Congress, Yaoundé, Cameroon. van der Burgt, X., van der Maesen, J. & Onana, J-M. (eds.). Royal Botanic Gardens, Kew: Kew Publishing, p. 193-201 9 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

  350. Published

    Zonation of Forest Vegetation on the South Slope of Bale Mountains, South Ethiopia

    Friis, Ib, 1986, In: SINET- An Ethiopian Journal of Science.. 9 (suppl:Proc of 2nd Int Symp, Flora Eth, p. 29-44

    Research output: Contribution to journalJournal articleResearch

  351. Published

    [Ethiopian] Wild Flora

    Friis, Ib, 2017, Ethiopia: History, Culture and Challenges. Uhlig, S., Appleyard, D., Bausi, A., Hahn, W. & Kaplan, S. (eds.). LIT Verlag, p. 25-29 5 p. (Afrikanische Studien/African Studies, Vol. 58).

    Research output: Chapter in Book/Report/Conference proceedingBook chapterCommunication

  352. Published

    »Oeders Troldurt« & »Kongescepter«

    Friis, Ib, 2020, Forskningens skønhed Et festskrift til Hendes Majestæt Dronning Margrethe II ved 80-års-fødselsdagen den 16. april 2020.: A festschrift to Her Majesty Queen Margrethe II on the occasion of her 80th birthday 16 4 2020.. Nielsen, M. A. (ed.). Det Kongelige Danske Videnskabernes Selskab, p. 12-15

    Research output: Chapter in Book/Report/Conference proceedingBook chapterCommunication

  353. Published

    Äthiopische Ökozonen

    Friis, Ib, 1 Nov 2018, Äthiopien: Geschicte, Kultur, Herausforderungen. Uhlig, S., Appleyard, D., Bausi, A., Hahn, W. & Kaplan, S. (eds.). Wiesbaden: Harrassowitz Verlag, p. 27-28

    Research output: Chapter in Book/Report/Conference proceedingBook chapterCommunication

  354. Published

    Østafrikas regnskove - Øer i et hav af savanne

    Poulsen, A. D., Frimodt-Møller, C. & Friis, Ib, 2000, In: Naturens Verden. 83, p. 6-13

    Research output: Contribution to journalJournal articleCommunication

ID: 2939