Carl Hansen Ostenfeld

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Carl Hansen Ostenfeld

Carl Emil Hansen Ostenfeld (born Carl Emil Ostenfeld-Hansen) (3 August 1873 – 16 January 1931) was a Danish systematic botanist. He graduated from the University of Copenhagen under professor Eugenius Warming. He was a keeper at the Botanical Museum 1900-1918, when he became professor of botany at the Royal Veterinary and Agricultural College. In 1923, by the early retirement of Raunkiær's, Ostenfeld became professor of botany at the University of Copenhagen and director of the Copenhagen Botanical Garden, both positions held until his death in 1931.[1] He was a member of the Royal Danish Academy of Sciences and Letters and served on the board of directors of the Carlsberg Foundation.

Ostenfeld is known as an explorer of the Danish flora, including marine plankton, as well as the flora of Western Australia.[2]

Ostenfeld participated in the International Phytogeographic Excursion to the British Isles in 1911. The party studied the flora of parts of Ireland, including Killarney, Connemara and The Burren.

About a dozen plant species[4] are named after him. Also some localities in Greenland bear names that commemorate him:

Selected scientific works[edit]

  • Ostenfeld, C.H. & Johannes Schmidt (1901) Plankton fra det Røde Hav og Adenbugten. Videnskabelige meddelelser fra Dansk Naturhistorisk Forening 1901: 141-182.
  • Gelert, O. & Ostenfeld, C.H. (1902) Flora Arctica - containing description of the flowering plants and ferns, found in the Arctic regions, with their distribution in these countries, illustrated by numerous figures in the text.
  • Ostenfeld, C.H. (1908) On the immigration of Biddulphia sinensis Grev. and its occurrence in the North Sea during 1903-1907 and on its use for the study of the direction and rate of flow of the currents. Meddelelser fra Kommissionen for Danmarks Fiskeri- og Havundersøgelser: Serie Plankton 1 (6): 1-44.
  • Ostenfeld, C.H. & C.G. Johannes Petersen (1908) On the Ecology and Distribution of the Grass-Wrack (Zostera marina) in Danish Waters. Copenhagen, Centraltrykkeriet, 62 p. Series: The Danish Biological Station vol. 16.
  • Ostenfeld, C. E. H. (1916) Contributions to West Australian Botany, part I: Introduction, The sea-grasses of West Australia. Dansk Botanisk Arkiv, 2(6): 1-44
  • Ostenfeld, C. E. H. (1918a) Contributions to West Australian Botany, part II: Stray notes from the tropical West Australia. Dansk Botanisk Arkiv, 2(8) : 1-29
  • Ostenfeld, C. E. H. (1918b) Contributions to West Australian Botany, part II: A revision of the West Australian species of Triglochin, Crassula (Tillaea) and Frankenia. Dansk Botanisk Arkiv, 2(8) : 30-55
  • Ostenfeld, C. E. H. (1921) Contributions to West Australian Botany, part III : Additions and notes to the flora of extra-tropical W. Australia. Biologiske Meddelelser, Kongelige Danske Videnskabernes Selskab, 3(2): 1-144
  • Ostenfeld, C. H. (1923) Critical Notes on the Taxonomy and Nomenclature of Some Flowering Plants from Northern Greenland (II Thule Expedition 1916-1918). Meddelelser om Grønland, 64
  • Ostenfeld, C. H. (1923) Flowering Plants and Ferns from Wolstenholme Sound (ca. 76°30' N. Lat.) and Two Plant Lists from Inglefield Gulf and Inglefield Land (77°28' and 79°10' N. Lat.) (II Thule Expedition 1916-1918). Meddelelser om Grønland, 64: 189-206
  • Ostenfeld, C.H. (1926) The flora of Greenland and its origin. Biologiske Meddelelser, Kongelige Danske Videnskabernes Selskab, 6, 1-71
  • Ostenfeld, C.H. (1931) The distribution within Denmark of the higher plants Results of the topographic-botanical investigation. 1: A brief historical survey of the investigation. Det Kongelige Danske Videnskabernes Selskabs Skrifter, Naturvidenskabelig og Mathematisk Afd., 9. Række, 3(1)

Sources[edit]

  1. ^ Paulsen, Ove, 1931. C.H. Ostenfeld. Botanisk Tidsskrift, bd. 41.
  2. ^ Nelson, E. Charles & Mary J. P. Scannell, 1978. C.E.H. Ostenfeld's Western Australian plants in the Herbarium, National Botanic Gardens, Glasnevin. Glasra 2: 1–24. [1]
  3. ^ "Author Query for 'Ostenf.'". International Plant Names Index. 
  4. ^ IPNI