Ib Friis

Ib Friis

Professor, emeritus

ORCID: 0000-0002-2438-1528

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  1. 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 journal › Journal article › Research › peer-review

  2. 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 journal › Journal article › Research › peer-review

  3. 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 journal › Journal article › Research

  4. 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 journal › Journal article › Research › peer-review

  5. 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 proceeding › Book chapter › Research

  6. 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 journal › Journal article › Research › peer-review

  7. 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 proceeding › Book chapter › Research

  8. 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 journal › Journal article › Research › peer-review

  9. 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 journal › Journal article › Research › peer-review

  10. 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 journal › Journal article › Research › peer-review

  11. 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 journal › Journal article › Research › peer-review

  12. 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 proceeding › Book chapter › Research

  13. 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/Report › Compendium/lecture notes › Education

  14. 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 proceeding › Book chapter › Research › peer-review

  15. 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 journal › Journal article › Research › peer-review

  16. 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 proceeding › Book chapter › Research

  17. 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 journal › Journal article › Research

  18. 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 journal › Journal article › Research › peer-review

  19. 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 journal › Journal article › Research › peer-review

  20. 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 journal › Journal article › Research › peer-review

  21. Published

    THE IDENTITY OF E. CHIOVENDAS SOMALIAN SAPOTACEAE

    Friis, Ib, 1985, In: Kew Bulletin.

    Research output: Contribution to journal › Journal article › Research › peer-review

  22. 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 journal › Journal article › Research › peer-review

  23. Published

    Planternes udvikling: Fra mosser til dækfrøede

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

    Research output: Book/Report › Book › Education

  24. Published

    Kormofyternes Udvikling

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

    Research output: Book/Report › Compendium/lecture notes › Education

  25. 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 journal › Journal article › Research › peer-review

  26. 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 journal › Journal article › Research › peer-review

  27. 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 proceeding › Book chapter › Research

  28. 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 journal › Journal article › Research › peer-review

  29. Published

    A synopsis of the genus Girardinia Gaud. (Urticaceae)

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

    Research output: Contribution to journal › Journal article › Research › peer-review

  30. 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 proceeding › Book chapter › Research

  31. 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 proceeding › Book chapter › Research

  32. 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 journal › Journal article › Communication

  33. Published

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

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

    Research output: Contribution to journal › Journal article › Communication

  34. 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 journal › Journal article › Research

  35. 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 journal › Journal article › Research › peer-review

  36. 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 proceeding › Article in proceedings › Research

  37. Published

    The forest vegetation of Ethiopia

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

    Research output: Contribution to journal › Journal article › Research › peer-review

  38. Published

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

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

    Research output: Contribution to journal › Journal article › Research › peer-review

  39. 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 journal › Journal article › Research › peer-review

  40. 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 proceeding › Book chapter › Research

  41. 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 journal › Journal article › Research › peer-review

  42. 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 proceeding › Book chapter › Communication

  43. 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 proceeding › Book chapter › Research

  44. 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 proceeding › Book chapter › Research

  45. 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 journal › Journal article › Research › peer-review

  46. 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 journal › Journal article › Research › peer-review

  47. 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 proceeding › Book chapter › Research › peer-review

  48. 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 journal › Journal article › Research › peer-review

  49. 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 proceeding › Book chapter › Research

  50. 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 proceeding › Book chapter › Research

  51. 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 journal › Journal article › Communication

  52. 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 journal › Journal article › Research › peer-review

  53. Published

    The taxonomy and distribution of Mimusops laurifolia (Sapotaceae)

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

    Research output: Contribution to journal › Journal article › Research › peer-review

  54. 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 proceeding › Book chapter › Research

  55. 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 journal › Journal article › Communication

  56. 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 proceeding › Book chapter › Communication

  57. Published

    Diagnose eller typeeksemplar? - Botaniske artsnavne mellem essentialisme og empiri

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

    Research output: Contribution to journal › Journal article › Research

  58. Published

    A synopsis of the genus Obetia (Urticaceae)

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

    Research output: Contribution to journal › Journal article › Research › peer-review

  59. 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 proceeding › Book chapter › Research

  60. Published

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

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

    Research output: Contribution to journal › Journal article › Communication

  61. 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 journal › Journal article › Communication

  62. 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 journal › Journal article › Research › peer-review

  63. 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 journal › Journal article › Research › peer-review

  64. 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 journal › Journal article › Research › peer-review

  65. 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 proceeding › Book chapter › Communication

  66. 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 journal › Journal article › Research › peer-review

  67. Published

    A note on effective publication

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

    Research output: Contribution to journal › Journal article › Research › peer-review

  68. 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 journal › Journal article › Research › peer-review

  69. 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 journal › Journal article › Research › peer-review

  70. 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 proceeding › Book chapter › Research

  71. 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 journal › Journal article › Research › peer-review

  72. 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 proceeding › Book chapter › Research

  73. 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 journal › Journal article › Research › peer-review

  74. Published

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

    Friis, Ib, 3 Jan 2017

    Research output: Other contribution › Net publication - Internet publication › Communication

  75. 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 journal › Journal article › Research › peer-review

  76. 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 proceeding › Book chapter › Communication

  77. 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 proceeding › Book chapter › Communication

  78. 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 journal › Journal article › Research › peer-review

  79. 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 proceeding › Book chapter › Communication

  80. Published

    Plants in Peril 11. (Dorstenia gypsophila, Moraceae)

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

    Research output: Contribution to journal › Journal article › Communication

  81. 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 proceeding › Book chapter › Research

  82. 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 proceeding › Book chapter › Research

  83. Published

    Cenni monografici sul paese dei Gherire (Mogadiscio, 1938) – a pioneer work on the Gerire Hills in western Ogaden, south-eastern Ethiopia : – introduced, translated and provided with annotations and a revision of the botanical collections

    Friis, Ib, 30 Apr 2019, In: Webbia. 74 (supplement), p. 1-108

    Research output: Contribution to journal › Journal article › Research › peer-review

  84. 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 proceeding › Book chapter › Research › peer-review

  85. Published

    New taxa and combinations in tropical African Pilea (Urticaceae)

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

    Research output: Contribution to journal › Journal article › Research › peer-review

  86. 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 journal › Journal article › Research

  87. 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 proceeding › Book chapter › Communication

  88. 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 journal › Journal article › Research › peer-review

  89. 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 journal › Journal article › Research › peer-review

  90. 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 journal › Journal article › Research › peer-review

  91. 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 proceeding › Book chapter › Research

  92. 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 proceeding › Book chapter › Research › peer-review

  93. 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 journal › Journal article › Research › peer-review

  94. 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 journal › Journal article › Research › peer-review

  95. 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 journal › Journal article › Communication

  96. 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 journal › Journal article › Communication

  97. 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 proceeding › Report chapter › Communication

  98. 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 journal › Journal article › Research › peer-review

  99. 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 proceeding › Book chapter › Research

  100. 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 proceeding › Book chapter › Communication

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