Ib Friis
Professor, emeritus
Research
Universitetsparken 15
2100 København Ø
- 2024
- Published
Inga Hedberg (1927-2024) – inspirational driving force in tropical African botany for 60 years
Friis, Ib, Demissew, S. & Thulin, M., 2024, In: Webbia. 79, 1, p. 3-18Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Rolf and Gertrud Dahlgren Prize for 2023 Awarded to Louis Ronse De Craene
Friis, Ib & de Vere, Natasha, 2024, In: Taxon. 73 , 2, p. 656–657Research output: Contribution to journal › Comment/debate › Research › peer-review
- 2023
- 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 journal › Journal article › Research › peer-review
- Published
(3001) Proposal to conserve the name Jatropha pelargoniifolia against Adenoropium forskaolii (Euphorbiaceae)
Friis, Ib & Thulin, M., 2023, In: Taxon. 72, 6, p. 1373-1374Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 49-71Research output: Contribution to journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 2022
- 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/Report › Book › Research › peer-review
- 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/Report › Book › Research › peer-review
- 2021
- 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 proceeding › Book chapter › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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
- 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. 171-190Research output: Contribution to journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 2020
- 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. 57-82Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 372-380Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 12-15Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Communication
- 2019
- 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 proceeding › Book chapter › Research › peer-review
- 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. 53-85Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 1-108Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 185-192Research output: Contribution to journal › Journal article › Research › peer-review
- 2018
- 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. 1-23Research output: Contribution to journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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. 31-35Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Communication
- 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. 27-28Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Communication
- 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. 351-367Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 203-223Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- 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 journal › Journal article › Communication
- 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 proceeding › Book chapter › Research › peer-review
- 2017
- 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
- 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 journal › Journal article › Research › peer-review
- 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
- 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 journal › Journal article › Research › peer-review
- Published
The flora of woody plants and vegetation on the Horn of Africa
Friis, Ib, 3 Jan 2017Research output: Other contribution › Net publication - Internet publication › Communication
- 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 journal › Journal article › Research › peer-review
- 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
- 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 proceeding › Book chapter › Communication
- 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 proceeding › Book chapter › Communication
- 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
- 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
- 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
- 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 proceeding › Book chapter › Communication
- 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/Report › Anthology › Research › peer-review
- 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 proceeding › Book chapter › Communication
- 2016
- 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 proceeding › Book chapter › Research › peer-review
- 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, , 2016, In: Science of the Total Environment. 551-552, p. 404-414 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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 proceeding › Book chapter › Communication
- 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
- 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 journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 2015
- 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 proceeding › Book chapter › Research › peer-review
- 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. 161-165Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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, 2015Research output: Other contribution › Net publication - Internet publication › Research
- 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 journal › Journal article › Research
- 2014
- Published
Gensyn med Ginir - etiopisk feltarbejde efter 30 års venten.
Friis, Ib & Weber, O., 1 Aug 2014, In: Naturhistorier. 2014, 1, p. 13-17Research output: Contribution to journal › Journal article › Communication
- 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
- 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 journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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. 162-171Research output: Contribution to journal › Journal article › Research › peer-review
- 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 journal › Journal article › Communication
- 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 journal › Journal article › Research › peer-review
- 2013
- 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 proceeding › Article in proceedings › Research › peer-review
- 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/Report › Anthology › Research › peer-review
- 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
- 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 journal › Journal article › Research › peer-review
- 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
- 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 journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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
- 2012
- 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 journal › Journal article › Research › peer-review
- 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
- Published
Hunulven og løven
Friis, Ib, 31 Aug 2012, In: Sfinx. 35, 3, p. 118-123 6 p.Research output: Contribution to journal › Journal article › Communication
- 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 journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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
- 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 journal › Journal article › Research › peer-review
- 2011
- 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. 45-68Research output: Contribution to journal › Journal article › Research
- 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. 107-128Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- 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. 1521-1522Research output: Contribution to journal › Comment/debate › Research › peer-review
- Published
Den arabiske Rejse
Friis, Ib, 2011, In: Sfinx. 34, 1, p. 36 1 p.Research output: Contribution to journal › Journal article › Communication
- 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
- 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 journal › Journal article › Research › peer-review
- 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/Report › Report › Research
- 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/Report › Report › Research
- 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/Report › Report › Research
- 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/Report › Report › Research
- 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/Report › Report › Research
- 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/Report › Report › Research
- 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/Report › Report › Research
- 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
- 2010
- Published
Naturen på Krim
Friis, Ib & Sjöman, H., 1 Jul 2010, In: Sfinx. 33, 2, p. 96-97 2 p.Research output: Contribution to journal › Journal article › Communication
- 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 journal › Journal article › Research › peer-review
- Published
Aksum-Rom tur/retur - de sidste hundrede meter af en senantik steles rejse
Friis, Ib, 2010, In: Sfinx. 33, 4, p. 156-159Research output: Contribution to journal › Journal article › Communication
- Published
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
- Published
Atlas of the potential vegetation of Ethiopia
Friis, Ib, Demissew, S. & van Breugel, P., 2010, Det Kongelige Danske Videnskabernes Selskab. 307 p. (Biologiske skrifter, Vol. 58).Research output: Book/Report › Book › Research › peer-review
- 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
- Published
Floristic diversity in fragmented Afromontane rainforests: altitudinal variation and conservation importance
Schmitt, C. B., Denich, M., Demissew, S., Friis, Ib & Boehmer, H. J., 2010, In: Applied Vegetation Science. 13, 3, p. 291-304 14 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- Published
New species in Old World Boehmeria (Urticaceae)
Wilmot-Dear, C. M., Friis, Ib & Thomas, Z., 2010, In: Edinburgh Journal of Botany. 67, 3, p. 431-450 20 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- Published
Prefatory Notes about the Expedition to Egypt and Yemen and the Background of this Work
Friis, Ib, 2010, The Arabic Plant Names of Peter Forsskål's Flora Aegyptiaco-Arabica. Provençal, P. (ed.). Det Kongelige Danske Videnskabernes Selskab, p. 5-8 4 p. (Biologiske skrifter, Vol. 57).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Wild plants
Friis, Ib, 2010, Encyclopaedia Aethiopica. Uhlig, S. & Bausi, A. (eds.). Wiesbaden: Harrassowitz Verlag, Vol. Vol. 4 (O-X). p. 159-160 2 p.Research output: Chapter in Book/Report/Conference proceeding › Encyclopedia chapter › Research
- 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
- 2009
- Published
(1883) Proposal to reject the name Ficus taab Forssk. (Moraceae)
Friis, Ib, 2009, In: Taxon. 58, 1, p. 309-310Research output: Contribution to journal › Journal article › Research › peer-review
- Published
12. Negripteridaceae
Friis, Ib, 2009, Flora of Ethiopia and Eritrea, Vol. 1: Lycopodiaceae - Pinaceae & Appendix. Hedberg, I., Friis, I. & Persson, E. (eds.). Addis Ababa; Uppsala: National Herbarium, Addis Ababa University, Vol. 1.. p. 46-48Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
13. Sinopteridaceae
Friis, Ib, 2009, Flora of Ethiopia and Eritrea, Vol. 1: Lycopodiaceae - Pinaceae & Appendix. Hedberg, I., Friis, I. & Persson, E. (eds.). Addis Abeba; Uppsala: National Herbarium, Addis Abeba University, Vol. 1.. p. 49-66 17 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- 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
- Published
26. Thelypteridaceae
Friis, Ib, 2009, Flora of Ethiopia and Eritrea, vol. 1: Lycopodiaceae - Pinaceae & Appendix. Hedberg, I., Friis, I. & Persson, E. (eds.). Addis Abeba; Uppsala: National Herbarium, Addis Abeba University, Vol. 1.. p. 107-120 14 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- 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
- Published
38. Podocarpaceae
Sebsebe, D. & Friis, Ib, 2009, Flora of Ethiopia and Eritrea, vol. 1: Lycopodiaceae - Pinaceae & Appendix. Hedberg, I., Friis, I. & Persson, E. (eds.). Addis Abeba; Uppsala: National Herbarium, Addis Abeba University, Vol. 1.. p. 187-190 4 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
39. Cupressaceae
Friis, Ib, 2009, Flora of Ethiopia and Eritrea, vol. 1: Lycopodiaceae - Pinaceae & Appendix. Hedberg, I., Friis, I. & Persson, E. (eds.). Addis Abeba; Uppsala: National Herbarium, Addis Abeba University, Vol. 1.. p. 193-199Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Appendix: Additions to Flora of Ethiopia and Eritrea volumes 2 - 7
Friis, Ib & Thulin, M., 2009, Flora of Ethiopia and Eritrea, vol. 1: Lycopodiaceae - Pinaceae & Appendix. Hedberg, I., Friis, I. & Persson, E. (eds.). Addis Abeba; Uppsala: National Herbarium, Addis Ababa University, Vol. 1.. p. 203-271 68 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Collectors of botanical specimens from the flora area mentioned in the Flora of Ethiopia and Eritrea
Friis, Ib, 2009, Flora of Ethiopia and Eritrea, vol. 8: General part and index to vols 1-7. Hedberg, I., Friis, I. & Persson, E. (eds.). Addis Ababa; Uppsala: National Herbarium; Addis Abeba University, Vol. 8. p. 97-123Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Flora of Ethiopia and Eritrea, vol. 1: Lycopodiaceae - Pinaceae & Appendix
Hedberg, I. (ed.), Friis, Ib (ed.) & Persson, E. (ed.), 2009, Addis Abeba; Uppsala: National Herbarium, Addis Abeba University. 305 p.Research output: Book/Report › Anthology › Research › peer-review
- Published
Flora of Ethiopia and Eritrea, vol. 8: General part and index to vols 1-7
Hedberg, I. (ed.), Friis, Ib (ed.) & Persson, E. (ed.), 2009, Addis Abeba; Uppsala: National Herbarium, Addis Abeba University. 331 p.Research output: Book/Report › Anthology › Research › peer-review
- Published
Floristic richness and endemism in the Flora of Ethiopia and Eritrea
Friis, Ib, 2009, Flora of Ethiopia and Eritrea, vol. 8: General part and index to vols 1-7. Hedberg, I., Friis, I. & Persson, E. (eds.). Addis Abeba; Uppsala: National Herbarium, Addis Abeba University, Vol. 8.. p. 33-38 6 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Natural Vegetation of the Flora area
Sebsebe, D. & Friis, Ib, 2009, Flora of Ethiopia and Eritrea, vol. 8: General part and index to vols 1-7. Hedberg, I., Friis, I. & Persson, E. (eds.). Addis Abeba; Uppsala: National Herbarium, Addis Abeba University, Vol. 8.. p. 27-32Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Pouzolzia rugulosa transferred from Boehmeria, and the distinction between Boehmeria and Pouzolzia (Urticaceae)
Wilmot-Dear, C. M., Acharya, N., Kravtsova, T. I. & Friis, Ib, 2009, In: Edinburgh Journal of Botany. 66, 1, p. 51-64 14 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- Published
The Flora of Ethiopia and Eritrea project concluded with a fourth Flora of Ethiopia and Eritrea-symposium held in Uppsala, Sweden
Friis, Ib, 2009, In: Webbia. 64, 2, p. 267-270 4 p.Research output: Contribution to journal › Journal article › Research
- 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
- 2008
- Published
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
- Published
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
- Published
In Memoriam: Editor-in-Chief of Nordic Journal of Botany Ivan Nielsen, 18 February 1946 - 1 December 2007
Friis, Ib, 2008, In: Nordic Journal of Botany. 25, 5-6, p. 381-382Research output: Contribution to journal › Journal article › Research
- 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. 122-124Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The future of East African scientific and reference collections of animals and plants
Friis, Ib, 2008, In: African Journal of Ecology. 46, Suppl. 1, p. 120-121Research output: Contribution to journal › Journal article › Research › peer-review
- 2007
- Published
158. Solanaceae
Friis, Ib, 2007, Flora of Ethiopia and Eritrea.: Gentianaceae to Cyclocheilaceae.. Inga, H., Kelbessa, E., Sue, E., Demissew, S. & Eva, P. (eds.). Uppsala / Addis Ababa: Addis Abeba University, Vol. 8. p. 103-160Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- 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
- 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
- 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. 3-11Research output: Contribution to journal › Journal article › Research
- Published
Silfium - den gådefulde plante
Friis, Ib, 2007, In: Sfinx. 30, 3, p. 114-115Research output: Contribution to journal › Journal article › Communication
- 2006
- Published
106. Ebenaceae
Friis, Ib, 2006, Flora of Somalia. Thulin, M. (ed.). Royal Botanic Gardens, Kew: Royal Botanic Gardens, Vol. 3. p. 6-11Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
107. Sapotaceae
Friis, Ib, 2006, Flora of Somalia. Thulin, M. (ed.). Royal Botanic Gardens, Kew: Royal Botanic Gardens, Vol. 3. p. 12-18Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
116. Solanaceae - 7. Solanum, sections 2-9
Friis, Ib, 2006, Flora of Somalia. Thulin, M. (ed.). Royal Botanic Gardens, Kew: Royal Botanic Gardens, Vol. 3. p. 208-219Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
A nationwide assesment of the Biodiversity value of Uganda's important Bird Areas Netwok.
Herbert, T., Kalema, J., Byaruhanga, A., Asasra, J., Ssegawa, P., Balmford, A., Davenport, T., Fjeldså, Jon, Friis, Ib, Pain, D., Derek, P., Williams, P. & Williams, C., 2006, In: Conservation Biology. 20, 1, p. 85-99 14 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
- 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. 247-258Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Distribution Patterns of Solanum in the Horn of Africa
Friis, Ib, 2006, Taxonomy and Ecology of African Plants, their Conservation and Sustainable Use - Proceedings of the 17th AETFAT Congress, Addis Ababa. Ghazanfar, S. A. & Beentje, H. (eds.). Kew: Royal Botanic Gardens, p. 279-289Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
In memoriam - Bertel Hansen (1932-2005)
Friis, Ib, 2006, In: Taxon. 55, 4, p. 1055-1056Research output: Contribution to journal › Journal article › Research
- Published
Sapotaceae
Friis, Ib, 2006, Flora of Somalia. Thulin, M. (ed.). Royal Botanic Gardens, Kew: Royal Botanic Gardens, Vol. 3. p. 12-18Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
The Old World species of Pouzolzia (Urticaceae, tribus Boehmerieae). A taxonomic revision
Wilmot-Dear, C. M. & Friis, Ib, 2006, In: Nordic Journal of Botany. 24, p. 5-115Research output: Contribution to journal › Journal article › Research › peer-review
- 2005
- Published
14. Goniocaulon
Friis, Ib, 2005, Flora of Ethiopia and Eritrea: Asteraceae (Compositae). Hedberg, I., Friis, I. & Edwards, S. (eds.). Addis Ababa & Uppsala: Addis Abeba University, Vol. 4, 2. p. 42-42Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Aksum - Rom tur/retur
Friis, Ib, 2005, In: Sfinx. 28, 4, p. 143-149Research output: Contribution to journal › Journal article › Communication
- Published
Diversity and endemism of the western Ethiopian escarpment - a preliminary comparison with other areas of the Horn of Africa
Sebsebe, D., Nordal, I., Herrmann, C., Friis, Ib, Tesfaye, A. & Stabbetorp, O., 2005, In: Biologiske Skrifter (Biological Series). 55, p. 315-330Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Flora of Ethiopia and Eritrea: Asteraceae (Compositae)
Hedberg, I. (ed.), Friis, Ib (ed.), Edwards, S. (ed.) & Tadesse, M., 2005, Addis Ababa & Uppsala: Addis Abeba University. 408 p.Research output: Book/Report › Book › Research
- Published
Flora of the Sudan-Uganda border area east of the Nile: II. Catalogue of vascular plants, 2nd part, vegetation and phytogeography
Friis, Ib & Vollesen, K., 2005, In: Biologiske Skrifter (Biological Series). 51, 2, p. 391-855Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Notes on Chinese and Indochinese Boehmeria (Urticaceae)
Friis, Ib, 2005, In: Kew Bulletin. 60, p. 449-453Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 289-314Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Plant Diversity and Complexity Patterns: Local, regional and Global Dimensions
Friis, Ib (ed.) & Balslev, H. (ed.), 2005, 603 p. (Biologiske skrifter, Vol. 55).Research output: Book/Report › Book › Research
- 2004
- 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. 76-189Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Vej til imperiets fjerneste kyst
Friis, Ib, 2004, In: 1066 Tidsskrift for Historie. 34, 4, p. 16-28Research output: Contribution to journal › Journal article › Communication
- 2003
- Published
134. Ebenaceae
Friis, Ib & White, F., 2003, Flora of Ethiopia and Eritrea: Apiaceae to Dipsacaceae. Hedberg, I., Edwards, S. & Nemomissa, S. (eds.). Addis Ababa & Uppsala: Addis Abeba University, Vol. 4, 1. p. 49-53Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
135. Sapotaceae
Friis, Ib, 2003, Flora of Ethiopia and Eritrea: Apiaceae to Dipsacaceae. Thulin, M. (ed.). Addis Ababa & Uppsala: Addis Abeba University, Vol. 4, 1. p. 54-63Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
A new species of Boehmeria, B. burgeri Wilmot-Dear, Friis & Kravtsova (Urticaceae), endemic to Costa Rica
Wilmot-Dear, C. M., Friis, Ib & Kravtsova, T. I., 2003, In: Kew Bulletin. 58, p. 213-218Research output: Contribution to journal › Journal article › Research › peer-review
- Published
A new species of Boehmeria (Urticaceae), B. burgeriana Wilmot-Dear, Friis & Kravtsova, endemic to Costa Rica
Wilmot-Dear, C. M., Friis, Ib & Kravtsova, T. I., 2003, In: Kew Bulletin. 58, 1, p. 213-218 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Morphology and anatomy of fruits in Pouzolzia (Urticaceae) in relation to taxonomy
Kravtsova, T. I., Friis, Ib & Wilmot-Dear, C. M., 2003, In: Kew Bulletin. 58, p. 297-327Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Proposal to conserve the name Capparis cartilaginea against C. inermis (Capparaceae)
Rivera, D., Friis, Ib, Inocencio, C., Obou, C., Alcaraz, F. & Reales, A., 2003, In: Taxon. 52, p. 357-357Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The typification of Capparis inermis Forssk., C. sinaica Veill. and C. cartilaginea Decne (Capparaceae)
Rivera, D., Friis, Ib, Inocencio, C., Obón, C., Alcaraz, F. & Reales, A., 2003, In: Taxon. 52, p. 307-311Research output: Contribution to journal › Journal article › Research › peer-review
- 2002
- Published
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
- Published
Gunnar Seidenfaden (1908-2001): Arctic explorer, ambassador and orchidologist
Friis, Ib, 2002, In: Taxon. 51, p. 405-411Research output: Contribution to journal › Journal article › Communication
- Published
Plant systematics and phytogeography for the understanding of African biodiversity. Introduction to the Proceedings af the XVIth AETFAT Congress
Robbrecht, E., Degreef, J. & Friis, Ib, 2002, In: Systematics and Geography of Plants. 71, 2, p. 101-114Research output: Contribution to journal › Journal article › Research
- 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
- Published
Post-fire regeneration strategies and tree bark resistance to heating in frequently burning tropical savanna woodlands and grasslands in Ethiopia
Gashaw, M., Michelsen, A., Friis, Ib, Jensen, M., Demissew, S. & Zerihun, W., 2002, In: Nordic Journal of Botany. 22, p. 19-33Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Progress with the botanical exploration of Ethiopia and Eritrea during the last forty years
Friis, Ib, 2002, In: Systematics and Geography of Plants. 71, 2, p. 165-186Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Soil seed bank dynamics of fire-prone wooded grassland, woodland and dry forest ecosystems in Ethiopia
Gashaw, M., Michelsen, A., Jensen, M. & Friis, Ib, 2002, In: Nordic Journal of Botany. 22, p. 5-17Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Two notes on Urticaceae: a correction in New World Pouzolzia, and a new species record of Droguetia for Madagascar
Friis, Ib & Wilmot-Dear, C. M., 2002, In: Kew Bulletin. 57, p. 1005-1006Research output: Contribution to journal › Journal article › Research › peer-review
- 2001
- Published
Additional observations on Dombeya kefaensis (Sterculiaceae) and the diversity of Dombeya in SW Ethiopia
Friis, Ib & Bidgood, S., 2001, In: Nordic Journal of Botany. 21, p. 337-340Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Biodiversity Research in the Horn of Africa Region: Proceedings of the Third International Symposium on the Flora of Ethiopia and Eritrea at the Carlsberg Academy, Copenhagen, August 25-27, 1999
Friis, Ib (ed.) & Ryding, Olof (ed.), 2001, København: Det Kongelige Danske Videnskabernes Selskab. 439 p. (Biologiske skrifter, Vol. 54).Research output: Book/Report › Book › Research
- Published
By whom and when was the flora of Ethiopia and Eritrea named?
Friis, Ib & Edwards, S., 2001, In: Biologiske Skrifter (Biological Series). 54, p. 103-136Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Diversity and Endemism in the Flora of Ethiopia and Eritrea - what do the published Flora volumes tell us?
Friis, Ib, Edwards, S., Kelbessa, E. & Demissew, S., 2001, In: Biologiske Skrifter (Biological Series). 54, p. 173-193Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Fire regimes, floristics, diversity, life forms and biomass in wooded grassland, woodland and dry forest at Gambella, western Ethiopia
Jensen, M. & Friis, Ib, 2001, In: Biologiske Skrifter (Biological Series). 54, p. 349-387Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Plant systematics and phytogeography for the understanding of African Biodiversity: Proceedings of the 16th AETFAT Congress, National Botanic Gardens, Belgium
Robbrecht, E. (ed.), Degreef, J. (ed.) & Friis, Ib (ed.), 2001, Bruxelles, Belgium: National Botanic Garden. 1151 p. (Systematics and Geography of Plants, Vol. 71(2)).Research output: Book/Report › Book › Research
- Published
Savannebrande i Afrikas Sudan-Guineabælte
Rasmussen, Kjeld, Christensen, Søren, Friis, Ib, Kjøller, A. H., Michelsen, Anders, Nielsen, T. T. & Saarnak, C. F. L., 2001, In: Den ny verden. 1, p. 7-26Research output: Contribution to journal › Journal article › Research
- Published
The identity of Polyscias lepidota Chiov. (1940) - A name missing in Vol. 3 of the Flora of Ethiopia
Friis, Ib, 2001, In: Biologiske Skrifter (Biological Series). 54, p. 49-54Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Three Symposia on the Flora of Ethiopia and Eritrea
Friis, Ib, 2001, In: Biologiske Skrifter (Biological Series). 54, p. 5-11Research output: Contribution to journal › Journal article › Research
- Published
Urticaceae
Friis, Ib & Immelman, K. L., 2001, Flora of Southern Africa. Germishuizen, G. (ed.). Pretoria, South Africa: National Botanical Institute, Vol. 9. p. 1-36Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Vegetation maps of Ethiopia and Eritrea. A review of existing maps and the need for a new map for the Flora of Ethiopia and Eritrea
Friis, Ib & Demissew, S., 2001, In: Biologiske Skrifter (Biological Series). 54, p. 399-439Research output: Contribution to journal › Journal article › Research › peer-review
- 2000
- 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. 41Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- 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. 331-332Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- 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. 14-17Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
36. Chenopodiaceae
Friis, Ib & Gilbert, M. G., 2000, Flora of Ethiopia and Eritrea: Magnoliaceae-Flacourtiaceae. Edwards, S., Tadesse, M., Demissew, S. & Hedberg, I. (eds.). Uppsala, Sweden & Addis Ababa, Ethiopia: University of Uppsala, Vol. 2, 1. p. 277-298Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
40. Linaceae
Friis, Ib, 2000, Flora of Ethiopia and Eritrea: Magnoliaceae-Flacourtiaceae. Edwards, S., Tadesse, M., Demissew, S. & Hedberg, I. (eds.). Uppsala, Sweden & Addis Ababa, Ethiopia: University of Uppsala, Vol. 2, 1. p. 350-354Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
55. Proteaceae
Friis, Ib, 2000, Flora of Ethiopia and Eritrea: Magnoliaceae-Flacourtiaceae. Edwards, S., Tadesse, M., Demissew, S. & Hedberg, I. (eds.). Uppsala, Sweden & Addis Ababa, Ethiopia: University of Uppsala, Vol. 2, 1. p. 436-438Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- 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. 451-452Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Addenda to Vol. 2,2: 77. Guttiferae
Robson, N. & Friis, Ib, 2000, Flora of Ethiopia and Eritrea: Magnoliaceae-Flacourtiaceae. Edwards, S., Tadesse, M., Demissew, S. & Hedberg, I. (eds.). Uppsala, Sweden & Addis Ababa, Ethiopia: University of Uppsala, Vol. 2, 1. p. 452Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Addenda to Vol. 2,2: 80. Sterculiaceae
Friis, Ib & Bidgood, S., 2000, Flora of Ethiopia and Eritrea: Magnoliaceae-Flacourtiaceae. Edwards, S., Tadesse, M., Demissew, S. & Hedberg, I. (eds.). Uppsala, Sweden & Addis Ababa, Ethiopia: University of Uppsala, Vol. 2, 1. p. 453Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- 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. 459-460Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Addenda to Vol. 6: 215. Arecaceae (Palmae)
Friis, Ib & Edwards, S., 2000, Flora of Ethiopia and Eritrea: Magnoliaceae-Flacourtiaceae. Edwards, S., Tadesse, M., Demissew, S. & Hedberg, I. (eds.). Uppsala, Sweden & Addis Ababa, Ethiopia: University of Uppsala, Vol. 2, 1. p. 460Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Addenda to Vol.3: 95. Fabaceae
Schrire, B. D., Friis, Ib, Bidgood, S. & Thulin, M., 2000, Flora of Ethiopia and Eritrea: Magnoliaceae-Flacourtiaceae. Edwards, S., Tadesse, M., Demissew, S. & Hedberg, I. (eds.). Uppsala, Sweden & Addis Ababa, Ethiopia: University of Uppsala, Vol. 2, 1. p. 453-459Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Martin Vahls videnskabelige løbebane i København og betydning for botanikken
Friis, Ib, 2000, Martin Vahl - 250 års minnet. Jørgensen, P. M. (ed.). Bergen, Norge: Bergen Museum, p. 12-46 (Bergens Museums skrifter, Vol. 7).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Morphology and anatomy of fruits in New World Boehmeria in relation to taxonomy
Kravtsova, T. I., Friis, Ib & Wilmot-Dear, C. M., 2000, In: Kew Bulletin. 55, p. 43-62Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Troels Myndel Pedersen (1916-2000)
Friis, Ib, 2000, In: Taxon. 49, 3, p. 573-575Research output: Contribution to journal › Journal article › Communication
- Published
Udstillingskatalog "Guldalderbotanik - Forskning og folkeoplysning 1800-1850"
Friis, Ib, 2000, KøbenhavnResearch output: Other contribution › Communication
- Published
Østafrikas regnskove - Øer i et hav af savanne
Poulsen, A. D., Frimodt-Møller, C. & Friis, Ib, 2000, In: Naturens Verden. 83, p. 6-13Research output: Contribution to journal › Journal article › Communication
- 1999
- Published
100. Sapindaceae
Friis, Ib & Vollesen, K., 1999, Flora of Somalia: Angiospermae (Tiliaceae-Apiaceae). Thulin, M. (ed.). England: Royal Botanic Gardens, Vol. 2. p. 239-253Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
101. Ptaeroxylaceae
Friis, Ib & Vollesen, K., 1999, Flora of Somalia: Angiospermae (Tiliaceae-Apiaceae). Thulin, M. (ed.). England: Royal Botanic Gardens, Vol. 2. p. 254Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
77. Buxaceae
Friis, Ib, 1999, Flora of Somalia: Angiospermae (Tiliaceae-Apiaceae). Thulin, M. (ed.). England: Royal Botanic Gardens, Vol. 2. p. 83-85Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
81. Moraceae
Friis, Ib, 1999, Flora of Somalia: Angiospermae (Tiliaceae-Apiaceae). Thulin, M. (ed.). England: Royal Botanic Gardens, Vol. 2. p. 91-104Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
82. Urticaceae
Friis, Ib, 1999, Flora of Somalia: Angiospermae (Tiliaceae-Apiaceae). Thulin, M. (ed.). England: Royal Botanic Gardens, Vol. 2. p. 104-109Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Drimia sudanica, nom. nov. (Hyacinthaceae), a rare species of the Sudanian grasslands
Friis, Ib & Vollesen, K., 1999, In: Nordic Journal of Botany. 19, 2, p. 209-212Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 131-151Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Overview - Biology and evolution of forest plants
Friis, Ib, 1999, African Plants - Biodiversity, taxonomy and uses - Proceedings of the 1997 AETFAT Congress, Harare, Zimbabwe. Timberlake, J. & Kativu, S. (eds.). p. 1Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Report on the election of IAPT Officers and Council, 1999-2005
Friis, Ib, 1999, In: Taxon. 48, 3, p. 605-607Research output: Contribution to journal › Journal article › Research
- 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, 956Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- 1998
- Published
Cypholophus decipiens (Urticaceae) - taxonomy and range of a species often misplaced in Boehmeria
Wilmot-Dear, C. M. & Friis, Ib, 1998, In: Kew Bulletin. 53, 4, p. 919-927Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Dombeya kefaensis, sp.nov. (Sterculiaceae) from SW Ethiopia
Friis, Ib & Bidgood, S., 1998, In: Nordic Journal of Botany. 18, p. 215-220Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Sesbania melanocaulis, sp.nov. (Leguminosae subfam. Papilionaceae) from SW Ethiopia
Bidgood, S. & Friis, Ib, 1998, In: Nordic Journal of Botany. 18, 2, p. 209-213Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Flora of the Sudan-Uganda border area east of the Nile, I. Catalogue of vascular plants, 1st part
Friis, Ib & Vollesen, K., 1998, In: Biologiske Skrifter (Biological Series). 51, 1, p. 1-389Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Frank White and the Development of African Chorology
Friis, Ib, 1998, Chorology, Taxonomy and Ecology of the Floras of Africa and Madagascar. Huxley, C. R., Lock, J. M. & Cutler, D. F. (eds.). Kew, England, UK: Royal Botanic Gardens, p. 25-51Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- 1997
- Published
206. Marantaceae
Lye, K. A. & Friis, Ib, 1997, Flora of Ethiopia and Eritrea: Hydrocharitaceae to Arecaveae. Edwards, S., Demissew, S. & Hedberg, I. (eds.). Uppsala: Addis Ababa and Uppsala, Vol. 6. p. 335-338Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Flora of Ethiopia and Eritrea: en moderne florahåndbog for et gammelt land
Friis, Ib, 1997, Københavns Universitets Almanak - Skrive og Rejsekalender for det år efter Kristi fødsel 1998. Københavns Universitet: Museum Tusculanum, p. 162-173Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Communication
- Published
Forskere og studerende (fra Nord og Syd) mødes i forskningssamarbejde
Friis, Ib, 1997, In: Naturligvis. 1997, p. 4-7Research output: Contribution to journal › Journal article › Communication
- Published
Proposal to reject the name Pentocnide so as to maintain Phenax (Urticaceae)
Friis, Ib & Wilmot-Dear, C. M., 1997, In: Taxon. 46, p. 773-774Research output: Contribution to journal › Journal article › Research › peer-review
- 1996
- Published
Comparisons of understorey vegetation and soil fertility in plantations and adjacent natural forests in the Ethiopian highlands
Michelsen, Anders, Lisanework N., Friis, Ib & Holst, N., 1996, In: Journal of Applied Ecology. 33, p. 627-642Research output: Contribution to journal › Journal article › Research › peer-review
- Published
New combinations in African Sapindaceae
Friis, Ib, Vollesen, K. & Verdcourt, B., 1996, In: Kew Bulletin. 51, 4, p. 802Research output: Contribution to journal › Journal article › Research
- Published
Patterns of endemism in the woody flora of north-east and east Africa
Lovett, J. & Friis, Ib, 1996, The Biodiversity of African Plants - Proceedings of the 14th AETFAT Congress. van der Maesen, L. J. G., van der Burgt, X. M. & van Medenbach de Rooy, J. M. (eds.). p. 582-601Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Selection of appropriate species and management methods in tree planting: case studies from Ethiopia
Friis, Ib & Michelsen, Anders, 1996, The Sahel - International Environmental Conventions, Health and Environment, Afforestation and Environment. Serien C. Occacional Papers nr. 3. København, p. 101-117Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
The Icones ... florae Danicae ... (1761-1883) as a source of names of flowering plants
Friis, Ib, 1996, In: Symbolae Botanicae Upsaliensis. 31, 3, p. 7-25Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The Plants of Pehr Forsskål's Flora Aegyptiaco Arabica
Hepper, F. N. & Friis, Ib, 1996, The Biodiversity of African Plants - Proceedings of the 14th AETFAT Congress. van der Maesen, L. J. G., van der Burgt, X. M. & van Mendenbach de Rooy, J. M. (eds.). Dordrecht: Plenum Publishing Corporation, p. 38-39Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- 1995
- 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. 1Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
72. Myrtaceae
Friis, Ib, 1995, Flora of Ethiopia and Eritrea: Canellaceae to Euphorbiaceae. Edwards, S., Tadesse, M. & Hedberg, I. (eds.). Addis Ababa and Uppsala: National Herbarium, Addis Ababa Univerity, and Inst. för Systematisk Botanik, Uppsala University, Vol. 2, 2. p. 71-106Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Sansevieria forsskoliana, a new name for Sansevieria abyssinica
Friis, Ib, 1995, In: The Sansevieria Journal. 4, p. 3-8Research output: Contribution to journal › Journal article › Research
- Published
Lectotypification of Pelargonium multibracteatrum
Friis, Ib & Vorster, P., 1995, In: Bothalia. 25, p. 102-104Research output: Contribution to journal › Journal article › Research › peer-review
- 1994
- Published
Centres of plant diversity in Sudan, Ethiopia and Somalia
Friis, Ib, 1994, Proceedings of the 13th Plenary Meeting of AETFAT, Zomba, Malawi, 2-11 April 1991, Vol 2: . Seyani, J. H. & Chikuni, A. C. (eds.). Zomba, Malawi, p. 883-889Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Delimitation of species and infraspecific taxa in African Pilea (Urticaceae)
Friis, Ib, 1994, Proceedings of the 13th Plenary Meeting of AETFAT, Zomba, Malawi, 2-11 April 1991, Vol 2. Seyani, J. H. & Chikuni, A. C. (eds.). Zomba, Malawi, p. 297-307Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Some general features of the Afromontane and Afrotemperate floras of the Sudan, Ethiopia and Somalia
Friis, Ib, 1994, Proceedings of the 13th Plenary Meeting of AETFAT, Zomba, Malawi, 2-11 April 1991, Vol 2. Seyani, J. H. & Chikuni, A. C. (eds.). Zomba, Malawi, p. 953-968Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
The Plants of Pehr Forsskål's Flora-Aegyptiaco Arabica - collected on the Royal Danish expedition to Egypt and Yemen 1761-63
Hepper, F. N. & Friis, Ib, 1994, Kew, England: Royal Botanic Gardens. 400 p.Research output: Book/Report › Book › Research
- 1993
- Published
11. Lauraceae
Friis, Ib, 1993, Flora of Somalia. Thulin, M. (ed.). Kew, England: Royal Botanic Gardens, Vol. 1. p. 19-20Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
38. Chenopodiaceae (incl. Salicorniaceae and Salsolaceae)
Friis, Ib & Gilbert, M. G., 1993, Flora of Somalia. Thulin, M. (ed.). Kew, England: Royal Botanic Gardens, Vol. 1. p. 127-140Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
52. Pittosporaceae
Friis, Ib, 1993, Flora of Somalia. Thulin, M. (ed.). Kew, England: Royal Botanic Gardens, Vol. 1. p. 202-203Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
64. Rhizophoraceae
Friis, Ib, 1993, Flora of Somalia. Thulin, M. (ed.). Kew, England: Royal Botanic Gardens, Vol. 1. p. 254-258Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Mountain botany: Studies dedicated to Olov Hedberg
Friis, Ib (ed.), Jonsell, B. (ed.), Nordal, I. (ed.) & Thulin, M. (ed.), 1993, Danmark: Nordic Publications in Botany. 312 p. (Opera Botanica, Vol. 121).Research output: Book/Report › Book › Research
- Published
Additional observations on forests and forest trees of northeast tropical Africa (Ethiopia, Djibouti and Somalia)
Friis, Ib, 1993, In: Opera Botanica. 121, p. 119-124Research output: Contribution to journal › Journal article › Research › peer-review
- Published
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
- Published
Barbeyaceae
Friis, Ib, 1993, The Families and Genera of Vascular Plants: Flowering Plants, Dicotyledones (Magnolid, Hamamelid and Caryophyllid Families). Kubitzki, K., Rohwer, J. G. & Bittrich, V. (eds.). Berlin: Springer, Vol. 2. p. 141-143Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- 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. 183-202Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Ecological effects of fuelwood plantations in Ethiopia
Friis, Ib & Michelsen, Anders, 1993, Development Experience in the Sahel. - Proc. of the third Sahel Workshop, 7th-9th of January 1991. Humlebæk, Denmark: Danida Forest Seed Centre, p. 106-107Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Impacts of tree plantations in the Ethiopian highland on soil fertility, shoot and root growth, nutrient utilisation and mycorrhizal colonisation
Michelsen, Anders, Lisanework N. & Friis, Ib, 1993, In: Forest Ecology and Management. 61, p. 299-324Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 71-84Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Skovene på Afrikas Horn
Friis, Ib, 1993, Carlsbergfondet - Frederiksborgmuseet - Ny Carlsbergfondet. Årskrift 1993. København: Projekt EDB I Undervisningen, p. 9-21Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Communication
- Published
The Distribution of Phenax sonneratii and the identity of Pouzolzia conulifera (Urticaceae)
Friis, Ib, 1993, In: Kew Bulletin. 48, 2, p. 407-409Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Urticaceae
Friis, Ib, 1993, The Families and Genera of Vascular Plants: Flowering Plants, Dicotyledones (Magnolid, Hamamelid and Caryophyllid Families). Kubitzki, K., Roher, J. G. & Bittrich, V. (eds.). Berlin: Springer, Vol. 2. p. 612-630Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- 1992
- Published
Aspects of nutrient cycling in three plantations and a natural forest in Ethiopia
Michelsen, Anders, Friis, Ib & Nigatu, L., 1992, Sustainable Development in the Sahel. - Proceedings of the 4th Sahel Workshop, 6-8 January 1990. AAU Reports 29: botanik, næringskredsløb, plantager, skov, løvfald, nedbrydning, Etiopien. Aarhus: Aarhus Universitetsforlag, p. 99-101Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Forests and Forest Trees of Northeast Tropical Africa - Their Natural Habitats and Distribution Patterns in Ethiopia, Djibouti and Somalia
Friis, Ib, 1992, London: Her Majesty's Stationery Office. 396 p.Research output: Book/Report › Book › Research
- Published
Ten proposals to amend the Code, and Report of the Special Committee on Binary Combinations
Friis, Ib, 1992, In: Taxon. 42, p. 343-350Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Warmings "Frøplanterne" - en forrygende succes
Friis, Ib, 1992, In: URT (Særnummer "Eug. Warming og botanikken). 1991: 5, p. 11-23Research output: Contribution to journal › Journal article › Communication
- 1991
- Published
Luigi Balugani's drawings of African plants from the collection made by James Bruce of Kinnaird on his travels to discover the source of the Nile
Hulton, P., Hepper, F. N. & Friis, Ib, 1991, New Haven, USA og Rotterdam, Holland: Yale Center for British Art. 316 p.Research output: Book/Report › Book › Research
- Published
Nordiske Botanikere og deres orkideer: Natanael Wallich, 2.del
Friis, Ib, 1991, In: Orchideer. 12, 9, p. 204-207Research output: Contribution to journal › Journal article › Communication
- Published
Nordiske Botanikere og deres orkideer: Natanael Wallich, 3.del
Friis, Ib, 1991, In: Orchideer. 12, 10, p. 231-235Research output: Contribution to journal › Journal article › Communication
- Published
Nordiske botanikere og deres orkideer: Natanael Wallich, 1.del
Friis, Ib, 1991, In: Orchideer. 12, 8, p. 177-180Research output: Contribution to journal › Journal article › Communication
- Published
På sporet af Luigi Balugani - James Bruce's assistent i Afrika
Friis, Ib, 1991, In: Naturens Verden. 11/12, p. 409-425Research output: Contribution to journal › Journal article › Communication
- Published
Reinstatement of Lindackeria somalensis (Flacourtiaceae)
Friis, Ib, 1991, In: Willdenowia. 20, p. 127-30Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Skovtræsfloraen i det nordøstlige tropiske Afrika (Etiopien, Djibouti og Somalia) - En sammenfattende redegørelse for tidligere studier
Friis, Ib, 1991, København: Eget forlag. 108 p.Research output: Book/Report › Doctoral thesis › Research
- Published
Urticaceae
Friis, Ib, 1991, Flora Zambesiaca (Mozambique, Malawi, Zambia, Zimbabwe, Botswana, Caprivi Strip). Launert, E. (ed.). London, Vol. 9, 6. p. 79-116Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- 1990
- Published
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
- Published
De botaniske resultater af Den Arabiske Rejse
Friis, Ib, 1990, Den Arabiske Rejse 1761-1767: En dansk ekspedition set i videnskabshistorisk perpektiv. Rasmussen, S. T. (ed.). København: Gyldendal, p. 117 - 128.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Communication
- Published
Distribution patterns of Ficus in tropical NE Africa
Friis, Ib, 1990, In: Mitteilungen aus dem Institut für allgemeine Botanik in Hamburg. 23A, p. 407 - 424Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- Published
The evergreen forests of tropical N.E. Africa
Friis, Ib & Mesfin Tadesse, 1990, In: Mitteilungen aus dem Institut für allgemeine Botanik in Hamburg. 23A, p. 249 - 263.Research output: Contribution to journal › Journal article › Research › peer-review
- 1989
- Published
104. Moraceae
Friis, Ib, 1989, Flora of Ethiopia: Pittosporaceae to Araliaceae. Hedberg, I. & Edwards, S. (eds.). Addis Ababa & Uppsala: National Herbarium, Vol. 3. p. 271-301.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
105. Urticaceae
Friis, Ib, 1989, Flora of Ethiopia: Pittosporaceae to Araliaceae. Hedberg, I. & Edwards, S. (eds.). Addis Ababa & Uppsala: Natonal Herbarium, Vol. 3. p. 302 - 326.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
86. Pittosporaceae
Friis, Ib, 1989, Flora of Ethiopia: Pittosporaceae to Araliaceae. Hedberg, I. & Edwards, S. (eds.). Addis Ababa & Uppsala: National Herbarium, Vol. 3. p. 1-3.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
A revision of the genus Pilea Lindl. in Africa
Friis, Ib, 1989, In: Kew Bulletin. 44, p. 557-600Research output: Contribution to journal › Journal article › Research › peer-review
- Published
A synopsis of the Buxaceae in Africa South of the Sahara
Friis, Ib, 1989, In: Kew Bulletin. 44, p. 293-299Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Conservation of plant species and habitats on the Horn of Africa
Friis, Ib, 1989, Intern. Ass. of Botanical Gardens - Proceedings of the Tenth General Meeting and Conference. 2-7 August.1987. Larsen, K., Morley, B. & Schoser, G. (eds.). Palmengarten, p. 86 - 103Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research
- Published
- Published
Notes on the vegetation of the southernmost Somalia, with some additions to the flora
Friis, Ib & Vollesen, K., 1989, In: Willdenowia. 18, p. 455-477Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The Urticaceae - a taxonomical review
Friis, Ib, 1989, Taxonomy and evolution of the Hamamelideae.: ("Higher Hamamelideae"). Crane, P. & Blackmoore, S. (eds.). Oxford: Oxford University Press, Vol. 2. p. 285-308.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- 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
- 1988
- Published
"Forest trees of north east tropical Africa (Ethiopia, Djibouti and Somalia)" - an atlas project
Friis, Ib, 1988, In: Missouri Botanic Gardens Monographs. 25, p. 543 - 553Research output: Contribution to journal › Journal article › Research › peer-review
- Published
A revision of the tribe Forsskaoleae (Urticaceae)
Friis, Ib & Wilmot-Dear, C. M., 1988, In: Nordic Journal of Botany. 8, p. 25-59Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Distribution patterns and biological observations in the Urticaceae of Sub-Saharan Africa, Madagascar and the Mascarenes
Friis, Ib, 1988, In: Missouri Botanic Gardens Monographs. 25, p. 527 - 542Research output: Contribution to journal › Journal article › Research › peer-review
- Published
New taxa and combinations in tropical African Pilea (Urticaceae)
Friis, Ib, 1988, In: Kew Bulletin. 44, p. 648-648Research output: Contribution to journal › Journal article › Research › peer-review
- 1987
- Published
A new name in Pouzolzia (Urticaceae)
Friis, Ib, 1987, In: Kew Bulletin. 42, p. 666-666.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
A reconsideration of Pittosporum (Pittosporaceae) in Africa and Arabia
Friis, Ib, 1987, In: Kew Bulletin. 42, p. 319-335.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Additions to the flora of Ethiopia, 2
Friis, Ib, Gilbert, M. G. & Vollesen, K., 1987, In: Willdenowia. 16, p. 531-564Research output: Contribution to journal › Journal article › Research › peer-review
- Published
New combinations in old world Urticaceae
Friis, Ib, Immelman, K. & Wilmot-Dear, C. M., 1987, In: Nordic Journal of Botany. 7, p. 125-126Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Plants in Peril 11. (Dorstenia gypsophila, Moraceae)
Friis, Ib, 1987, In: Curtis's Botanical Magazine. 4, p. 97-101Research output: Contribution to journal › Journal article › Communication
- Published
The identity of Chiovenda's species of Olea (Oleaceae)
Friis, Ib, 1987, In: Kew Bulletin. 42, p. 586 1 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 1986
- Published
Olea capensis L. (Oleaceae) in north-east and east tropical Africa
Friis, Ib & Green, P. S., 1986, In: Kew Bulletin. 41, p. 36-36Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 787-792Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Ethiopia in regional phytogeography
Friis, Ib, 1986, In: Symbolae Botanicae Uppsaliensis. 26, p. 68-85Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- 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. 397-400Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Proposal to amend the International Code of Botanical Nomenclature: Proposal to replace Art. 42.2 with new Art. 42.2 and Art. 42.3
Friis, Ib, 1986, In: Taxon. 35, p. 400-403Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Rafinesque's Valentiana volubilis, and the early botanical collections from Ethiopia
Friis, Ib, 1986, In: Taxon. 35, p. 358-361Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The botanical identity of Mimusops in ancient Egyptian tombs
Friis, Ib, Hepper, F. N. & Gasson, P., 1986, In: Journal of Egyptian Archaeology. 72, p. 201-204Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The forest vegetation of Ethiopia
Friis, Ib, 1986, In: Symbolae Botanicae Uppsaliensis. 26, p. 31-47Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The genus Urera Gaud. (Urticaceae) in eastern tropical Africa
Friis, Ib, 1986, In: Nordic Journal of Botany. 5, p. 547-553Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The typification and identity of three species of Parietaria L. (Urticaceae), ostensibly described from South Africa
Friis, Ib, 1986, In: Taxon. 35, p. 701-705Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 201-214Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Variation in Macaranga capensis (Euphorbiaceae)
Friis, Ib & Gilbert, M. G., 1986, In: Kew Bulletin. p. 68-68Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Zonation of Forest Vegetation on the South Slope of Bale Mountains, South Ethiopia
Friis, Ib, 1986, In: SINET- An Ethiopian Journal of Science.. 9 (suppl:Proc of 2nd Int Symp, Flora Eth, p. 29-44Research output: Contribution to journal › Journal article › Research
- 1985
- Published
Garcinia buxifolia Chiov. is Buxus hildebrandtii Baill. (Buxaceae)
Friis, Ib, 1985, In: Nordic Journal of Botany. 4, p. 747-748Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Notes on the Somalian species of Ficus (Moraceae)
Friis, Ib, 1985, In: Nordic Journal of Botany. 5, p. 331-333Research output: Contribution to journal › Journal article › Research › peer-review
- Published
THE IDENTITY OF E. CHIOVENDAS SOMALIAN SAPOTACEAE
Friis, Ib, 1985, In: Kew Bulletin.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The identity of Hypseloderma jubense (Sapindaceae)
Friis, Ib & Vollesen, K., 1985, In: Kew Bulletin. 40, p. 859-861Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The identity of E. Chiovenda's Somalian Sapotaceae
Friis, Ib, 1985, In: Kew Bulletin. 40, p. 395-398Research output: Contribution to journal › Journal article › Research › peer-review
- 1984
- Published
Sciaplea Rauschert (1982) is a synonym of Dialium L. (1767)
Friis, Ib, 1984, In: Taxon. 33, p. 505-506Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- Published
A synopsis of the genus Pouzolzia Gaud. (Urticaceae) in tropical Africa
Friis, Ib & Jellis, S., 1984, In: Kew Bulletin. 39, p. 587-601Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Additional notes on Somalian Sapindaceae
Friis, Ib, 1984, In: Kew Bulletin. 39, p. 779-783Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Additions to the Flora of Ethiopia
Friis, Ib & Vollesen, K., 1984, In: Willdenowia. 14, p. 355-371Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 655-667Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 114-116Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Studies in tropical African Urticaceae and Moraceae
Friis, Ib, 1984, Uppsala, Sverige: Anacapri. 40 p. (Acta Universitatis Uppsaliensis, Vol. 761.).Research output: Book/Report › Doctoral thesis › Research
- Published
The spelling of Pehr Forsskål's family name
Friis, Ib & Thulin, M., 1984, In: Taxon. 33, p. 668-672Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 301-308Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Validity of names published by Forsskål and Aublet
Friis, Ib, Brummitt, R. K., Hepper, F. N., Jeffrey, C., Taylor, N. P., Verdcourt, B., Howard, R. A. & Nicolson, D. H., 1984, In: Taxon. 33, p. 495-496Research output: Contribution to journal › Journal article › Research › peer-review
- 1983
- Published
A synopsis of the genus Obetia (Urticaceae)
Friis, Ib, 1983, In: Kew Bulletin. 38, p. 221-228Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Myriader af liv [regnskoven]
Friis, Ib, 1983, In: Levende Natur - Tidsskrift for international naturbevarelse. 3, p. 3-7Research output: Contribution to journal › Journal article › Communication
- Published
Note on the botanical collections of Pehr Forsskål
Friis, Ib, 1983, In: Kew Bulletin. 38, p. 457-467Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Phytogeography of the tropical north-East African mountains (Ethiopia, Djibouti, Somalia)
Friis, Ib, 1983, In: Bothalia. 14, p. 525-532Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The acaulescent and succulent species of Dorstenia sect. Kosaria (Moraceae) from NE tropical Africa and Arabia
Friis, Ib, 1983, In: Nordic Journal of Botany. 3, p. 533-538Research output: Contribution to journal › Journal article › Research › peer-review
- 1982
- Published
Name changes for well known species of Boehmeria (Urticaceae)
Friis, Ib & Marais, W., 1982, In: Kew Bulletin. 37, p. 163-163Research output: Contribution to journal › Journal article › Research › peer-review
- Published
New taxa from the Imatong Mountains, S. Sudan
Friis, Ib & Vollesen, K., 1982, In: Kew Bulletin. 38, p. 221-228Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Studies in the flora and vegetation of SW Ethiopia
Friis, Ib, Rasmussen, Finn N. & Vollesen, K., 1982, In: Opera Botanica. 63, p. 1-70Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The identity of Rumicicarpus ramosissimus Chiov. (Tiliaceae)
Friis, Ib, 1982, In: Nordic Journal of Botany. 2, p. 111-113Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The identity of Urera longifolia and U. oligoloba, a supplement to Chew's monograph of Laportea (Urticaceae)
Friis, Ib, 1982, In: Nordic Journal of Botany. 2, p. 231-233Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The typification of Forsskaolea viridis Ehrenb. ex Webb (Urticaceae)
Friis, Ib, 1982, In: Taxon. 31, p. 727-729Research output: Contribution to journal › Journal article › Research › peer-review
- 1981
- Published
A note on effective publication
Friis, Ib & Dahlgren, R., 1981, In: Taxon. 30, p. 499-501Research output: Contribution to journal › Journal article › Research › peer-review
- Published
A synopsis of the genus Girardinia Gaud. (Urticaceae)
Friis, Ib, 1981, In: Kew Bulletin. 36, p. 143-157Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Notes on Somalian Sapindaceae
Friis, Ib, 1981, In: Kew Bulletin. 36, p. 139-141Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The taxonomy and distribution of Mimusops laurifolia (Sapotaceae)
Friis, Ib, 1981, In: Kew Bulletin. 35, p. 785-792Research output: Contribution to journal › Journal article › Research › peer-review
- 1980
- 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. 511-512Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The authority and date of publication of the genus Casuarina (Casuarinaceae) and its type species
Friis, Ib, 1980, In: Taxon. 29, p. 511-512Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The identity of the Ethiopian monotypic genus Tzellemtinia Chiov
Friis, Ib & Vollesen, K., 1980, In: Botaniska Notiser. 133, p. 347-349Research output: Contribution to journal › Journal article › Research
- 1979
- Published
Dombeya torrida, the correct name for James Bruce's "Walkuffa"
Friis, Ib & Hepper, F. N., 1979, In: Botaniska Notiser. 132, p. 397-398Research output: Contribution to journal › Journal article › Research
- Published
The wild populations of Coffea arabica L. and the cultivated coffee
Friis, Ib, 1979, Taxonomic Aspects of African Economic Botany: Proceedings of the IXth Plenary Meeting of AETFAT.. Kunkel, G. (ed.). Las Palmas de Gran Canaria., p. 63-68Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- 1978
- Published
A reconsideration of the genera Monotheca and Spiniluma (Sapotaceae)
Friis, Ib, 1978, In: Kew Bulletin. 33, p. 91-98Research output: Contribution to journal › Journal article › Research › peer-review
- Published
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
- 1976
- Published
Pelargonium boranense sp. nov. (Geraniaceae)
Friis, Ib & Gilbert, M. G., 1976, In: Flowering Plants of Africa. 43, p. Tab. 1705 + 4 pp. textResearch output: Contribution to journal › Journal article › Research › peer-review
- Published
Omkring en berømt dansk botaniker i Indien [Nathanael Wallich]
Friis, Ib & Hamann, O. J., 1976, In: Naturens Verden. 1976, 12, p. 393-408Research output: Contribution to journal › Journal article › Communication
- Published
Progress made in the botanical exploration of Africa: Ethiopia
Friis, Ib, 1976, In: Boissiera. 24, p. 599-599Research output: Contribution to journal › Journal article › Research
- 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. 63-77Research output: Contribution to journal › Journal article › Research › peer-review
- 1975
- Published
Linociera giordanoi (Oleaceae) - the correct name for a widespread African species
Friis, Ib, 1975, In: Kew Bulletin. 30, p. 16-16Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The giant species of Cirsium (Asteraceae) in S Ethiopia
Friis, Ib, 1975, In: Norwegian Journal of Botany. 22, p. 201 - 207Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The two alternative systems of nomenclature proposed and used for orchids by Du Petit-Thouars
Friis, Ib & Rasmussen, Finn N., 1975, In: Taxon. 24, p. 307-318Research output: Contribution to journal › Journal article › Research › peer-review
- 1974
- Published
Dorstenia soerensenii sp. nov. (Moraceae) from SW Ethiopia, and related species
Friis, Ib, 1974, In: Norwegian Journal of Botany. 21, p. 101-110Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 243-275Research output: Contribution to journal › Journal article › Research › peer-review
- 1972
- Published
Studies in the genus Haemanthus (Amaryllidaceae) I. The infrageneric taxonomy
Friis, Ib & Bjørnstad, I., 1972, In: Norwegian Journal of Botany. 19, p. 187-206Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Studies in the genus Haemanthus (Amaryllidaceae) II. A revision of the section Demeusea (De Wild. & Th. Dur.) Pax & Hoffm. emend Bjørnst. & Friis
Friis, Ib & Bjørnstad, I., 1972, In: Norwegian Journal of Botany. 19, p. 207 — 222.Research output: Contribution to journal › Journal article › Research › peer-review
- 1971
- Published
A new species of Guizotia (Compositae) from NE tropical Africa
Friis, Ib, 1971, In: Norwegian Journal of Botany. 18, p. 231-234Research output: Contribution to journal › Journal article › Research › peer-review
- Published
A new species of Haemanthus (Amaryllidaceae) from SW Ethiopia
Friis, Ib & Bjørnstad, I., 1971, In: Norwegian Journal of Botany. 18, p. 227-230Research output: Contribution to journal › Journal article › Research › peer-review
- Published
A revision of the Stachys aculeolatus group (Labiateae) in tropical Africa
Friis, Ib, Bjørnstad, I. & Thulin, M., 1971, In: Norwegian Journal of Botany. 18, p. 121-138Research output: Contribution to journal › Journal article › Research › peer-review
- 1970
- Published
Oversigt over Botanisk Haves Plantesamling
Friis, Ib & Edlefsen, L. B., 1970, Københavns Universitets Fond til tilvejebringelse af læremidler. 101 p.Research output: Book/Report › Book › Education
ID: 2939
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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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8420
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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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5906
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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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