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

    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

  27. 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

  28. 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

  29. 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

  30. 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

  31. 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

  32. 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

  33. 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

  34. 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

  35. 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

  36. 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

  37. 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

  38. 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

  39. 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

  40. 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

  41. 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

  42. 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

  43. 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

  44. 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

  45. 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

  46. 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

  47. 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

  48. 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

  49. 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

  50. 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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