Ib Friis
Professor, emeritus
Research
Universitetsparken 15
2100 København Ø
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Alfred Hansen: 2. oktober 1925 - 29. januar 2008
Friis, Ib, Wind, P. & Pedersen, Henrik Ærenlund, 2008, In: URT. 2, p. 68-72Research output: Contribution to journal › Journal article › Research
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Alfred Hansen, 1925-2008
Friis, Ib & Pedersen, Henrik Ærenlund, 2010, In: Taxon. 59, 6, p. 1942-1943 2 p.Research output: Contribution to journal › Comment/debate › Research
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Altitudinal zonation in the forest tree flora of north east tropical Africa
Friis, Ib & Lawesson, J., 1993, In: Opera Botanica. 121, p. 125-128Research output: Contribution to journal › Journal article › Research › peer-review
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An additional note on the genus Droguetia (Urticaceae)
Friis, Ib, 1990, In: Nordic Journal of Botany. 10, p. 431 - 432Research output: Contribution to journal › Journal article › Research › peer-review
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An analysis of the protologues of new genera with new species in Forsskål's Flora Aegyptiaco-Arabica
Friis, Ib, 1984, In: Taxon. 33, p. 655-667Research output: Contribution to journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 proceeding › Book chapter › Research
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Artiklen "dækfrøede"
Friis, Ib, 2002, Den Store Danske Encyclopædi: Supplementsbind. Danmarks Nationalleksikon, p. 192-195Research output: Chapter in Book/Report/Conference proceeding › Encyclopedia chapter › Communication
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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. 99-101Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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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/Report › Book › Research › peer-review
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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. 141-143Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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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 proceeding › Book chapter › Research › peer-review
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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/Report › Book › Research
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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. 45-68Research output: Contribution to journal › Journal article › Research
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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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By whom and when was the flora of Ethiopia and Eritrea named?
Friis, Ib & Edwards, S., 2001, In: Biologiske Skrifter (Biological Series). 54, p. 103-136Research output: Contribution to journal › Journal article › Research › peer-review
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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. 183-202Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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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 proceeding › Article in proceedings › Research › peer-review
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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. 883-889Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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. 97-123Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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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 journal › Journal article › Research › peer-review
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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. 627-642Research output: Contribution to journal › Journal article › Research › peer-review
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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 - 103Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research
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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, , 2016, In: Science of the Total Environment. 551-552, p. 404-414 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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. 162-171Research output: Contribution to journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 proceeding › Book chapter › Communication
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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. 297-307Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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Den arabiske Rejse
Friis, Ib, 2011, In: Sfinx. 34, 1, p. 36 1 p.Research output: Contribution to journal › Journal article › Communication
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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
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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 proceeding › Book chapter › Communication
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Diagnose eller typeeksemplar? - Botaniske artsnavne mellem essentialisme og empiri
Friis, Ib, 2008, In: Filosofiske Studier. 24, p. 88-102Research output: Contribution to journal › Journal article › Research
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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. 247-258Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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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. 279-289Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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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 - 542Research output: Contribution to journal › Journal article › Research › peer-review
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Distribution patterns of Ficus in tropical NE Africa
Friis, Ib, 1990, In: Mitteilungen aus dem Institut für allgemeine Botanik in Hamburg. 23A, p. 407 - 424Research output: Contribution to journal › Journal article › Research › peer-review
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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. 173-193Research output: Contribution to journal › Journal article › Research › peer-review
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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
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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. 315-330Research output: Contribution to journal › Journal article › Research › peer-review
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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/Report › Anthology › Research › peer-review
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East African bryophytes IV. Danish collections
Bizot, M., Friis, Ib, Lewinsky, J. & Thamas, P., 1978, In: Lindbergia. 4, p. 259-284Research output: Contribution to journal › Journal article › Research › peer-review
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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. 106-107Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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Ethiopia in regional phytogeography
Friis, Ib, 1986, In: Symbolae Botanicae Uppsaliensis. 26, p. 68-85Research output: Contribution to journal › Journal article › Research › peer-review
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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
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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)
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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
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Potential Natural Vegetation of Eastern Africa (Ethiopia, Kenya, Malawi, Rwanda, Tanzania, Uganda and Zambia). Volume 1: The Atlas
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