Ib Friis

Ib Friis

Professor, emeritus


  1. 2024
  2. Published

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

    Friis, Ib, Demissew, S. & Thulin, M., 19 Mar 2024, In: Webbia. 79(1), p. 3-18

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. 2023
  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

    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

  7. 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

  8. 2022
  9. 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

  10. 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

  11. 2021
  12. 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

  13. 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

  14. 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

  15. 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

  16. 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

  17. 2020
  18. 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

  19. 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

  20. 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

  21. 2019
  22. 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

  23. 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

  24. Published
  25. 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

  26. 2018
  27. 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

  28. 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

  29. 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

  30. 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

  31. 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

  32. 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

  33. 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

  34. 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

  35. 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

  36. 2017
  37. 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

  38. 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

  39. 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

  40. 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

  41. 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

  42. 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

  43. 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

  44. 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

  45. 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

  46. 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

  47. 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

  48. 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

  49. 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

  50. 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

  51. 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

  52. 2016
  53. 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

  54. 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

  55. 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

  56. 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

  57. 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

  58. 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

  59. 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

  60. 2015
  61. 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

  62. 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

  63. 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

  64. 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

  65. 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

  66. 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

  67. 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

  68. 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

  69. 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

  70. 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

  71. 2014
  72. 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

  73. 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

  74. 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

  75. 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

  76. 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

  77. 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

  78. 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

  79. 2013
  80. 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

  81. 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

  82. 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

  83. 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

  84. 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

  85. 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

  86. 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

  87. 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

  88. 2012
  89. 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

  90. 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

  91. Published

    Hunulven og løven

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

    Research output: Contribution to journalJournal articleCommunication

  92. 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

  93. 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

  94. 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

  95. 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

  96. 2011
  97. 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

  98. 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

  99. 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

  100. 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

  101. Published

    Den arabiske Rejse

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

    Research output: Contribution to journalJournal articleCommunication

  102. 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

  103. 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

  104. 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

  105. 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

  106. 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

  107. 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

  108. 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

  109. 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

  110. 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

  111. 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

  112. 2010
  113. 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

  114. 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

  115. 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

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