> [!cite] BHL link: this entry starts at [page 854](https://www.biodiversitylibrary.org/page/33355941) of TL-2 Vol. III
> Author links: [IPNI](https://www.ipni.org/a/24407-1) LSID 24407-1, [Wikidata](https://www.wikidata.org/wiki/Q2981163) QID Q2981163
> Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]]
### Author
Ostenfeld, Carl Emil Hansen (1873-1931), Danish botanist; Ph. D. Kjøbenhavn 1906; inspector of the Botanical Museum from 1900-1918; professor of botany, at the Veterinary College, 1918-1923, and director of the Botanical Garden of Kjøbenhavn 1923-1931.
**Abbreviated name**: *Ostenf.* \[standard form in IPNI: *Ostenf.*\]
#### Herbarium and types
[[Collection C|C]]; other material in [[Collection B|B]], [[Collection CANB|CANB]], [[Collection DBN|DBN]], [[Collection E|E]], [[Collection GB|GB]], [[Collection GH|GH]], [[Collection ICEL|ICEL]], [[Collection K|K]], [[Collection L|L]], [[Collection LE|LE]], [[Collection MO|MO]], [[Collection OXF|OXF]].
#### Name
Papers until 1897 signed C. Ostenfeld Hansen or C. Ostenfeld-Hansen.
#### Bibliography and biography
Barnhart 3: 36; BJI 2: 127-128; BL 1: 77, 136, 155, 156, 227, 311, 2: 47, 48, 54, 57, 324, 457, 477, 688; BM 3: 1482, 7: 961-962; Bossert p. 296; Clokie p. 220; CSP 17: 645-646; De Toni 4: xliv; Hirsch p. 221; Hortus 3: 1201 ("Ostenf."); Kew 4: 199-201; Kleppa p. 329 \[index\]; KR p. 566; Langman p. 558; Lenley p. 319; LS 19587, 37564; MW p. 372-373, suppl. p. 273; Nordstedt suppl. p. 412, NW p 54: Plesch p. 352: SK 5: ccclx: Stevenson p. 1253; Tucker 1: 532; Zander ed. 10, p. 698, ed. 11, p. 796.
- Anon., Bot. Centralbl. 72: 192. 1897 (name change from Ostenfeld-Hansen to Ostenfeld); 83: 176. 1900 (app. Copenhagen); Bot. Exch. Cl. Brit. Isl. Rep. 1931: 631 (obit.); Bot. Not. 1903: 34. 1933: 53 (d.); Nature 127. 456. 1931 (d.); Generalreg. Bot. Not. 1839-1938, p. 111-112. 1939; Österr. bot. Z. 48: 38. 1898 (name change); 50: 347. 1900 (inspector Copenhagen); 72: 376. 1923 (succeeds Raunkiaer); 80: 80. 1931 (d.).
- Christensen, C., Den Danske Bot. Litt. 1880-1911: 186-193. 1913 (bibl.) Den Danske Bot. Hist. 1: 759, 760, 767, 774, 807-813, 818, 821, 824, 825, 828, 831, 835, 843-845, 861. 1926; Ber. deut. bot. Ges. 49: (164)-(168). 1931 (b. 3 Aug 1873, d. 16 Jan 1931, obit., portr.); Danske Bot. Litt. 1912-1939: 54-62. 1940.
- Christiansen, W. & W., Bot. Schrifttum Schlesw.-Holst 318. 1936.
- Cupp, E. E., Mar. plankton diatoms W. Coast N. Amer. 1943.
- Druce, G. C, Bot. Soc. Exch. Cl. Brit. Isl., Rep. 9(5): 631. 1932 (obit., notice).
- Fryxell, G. A., Beih. Nova Hedw. 35: 362. 1975.
- Gager, C. S., Brooklyn Bot. Gard. Rec. 27: 190. 1938 (dir. bot. gard. C 1923-1931).
- Gran, H. H., Cons. int. Explor. Mer, J. Cons. 6(2): 171-173. 1931 (portr.).
- Hasslow, O. J., Bot. Not. 1933: 53 (portr.).
- Hedge, I. C. & J. M. Lamond, Index coll. Edinb. herb. 116. 1970.
- Lind, J., Danish fungi herb. E. Rostrup 36. 1913.
- Nelson, E. C., & Scannell, M. J. P., Glasra 2: 1-24. 1978 (O's Western Australia plants at DBN).
- Olrik, G., Beretn. Bot. Haves virksomh. 1972-1974: 81-82. 1974.
- Paulsen, O., Bot. Tidsskr. 41: 269-282. 1931 (obit., portr.) 45: 263. 1940 (portr.).
- Rendle, A. B., J. Bot. 69: 79-80. 1931.
- Rydberg, P. A., Augustana Coll. Libr. Publ. 5: 47. 1907.
- VanLandingham, S., Cat. diatom. 6: 3575-3576. 1978, 7: 4212. 1978.
- Weatherby, C. A., Proc. Amer. Acad. Arts Sci. 70: 565-566. 1936.
- Wittrock, V. B., Acta Horti Berg. 3(2): 103-104, *pl. 19.* 1903 (portr.).
#### Composite works
- (1) Contributed to E. Warming, *Botany of the Faeröes*:
(a) Geography and topography e.a. 1: 6-119. 15 Feb 1901.
(b) Phytoplankton, 2: 558-612. 25 Feb 1903.
(c) Additions and corrections of the list of the Phanerogamae, 3: 835-863. 13 Nov 1907.
(d) The land-vegetation of the Faeröes, 3: 867-1026. 3 Feb 1908 (rev. A. Bennett, J. Bot. 46: 131-134. Apr 1908).
- (2) Editor of Danish ed. of C. A. M. Lindman, *Bilder ur Nordens flora*, 3 vols., 1901-1907, see under Lindman.
- (3) Sven Hedin, *Southern Tibet* 6(3), *Botany*: 27-100. 1922, A list of flowering plants from Inner Asia by C. H. Ostenfeld and O. Paulsen.
- (4) Co-author, L. Marret et al., *Icones florae alpinae plantarum* 1911-1924, see sub Marret.
#### Eponymy
*Ostenfeldiella* Ferdinandsen et Winge (1914).
### Publications
##### n.7129. Flora arctica
**Title**
*Flora arctica* containing descriptions of the flowering plants and ferns, found in the arctic regions, with their distribution in these countries, illustrated by numerous figures in the text, edited by C. H. Ostenfeld,... part i. Pteridophyta, Gymnospermae and Monocotyledones, by O. Gelert and C. H. Ostenfeld... Copenhagen (Det Nordiske Forlag...) 1902. Oct.
**Abbreviated title**: *Fl. aret.*
**Notes**
*Co-author*: Otto Christian Laurits Gelert (1862-1899).
*Pub*.: 28 Jun 1902 (p. ii), p. \[i\]-xi, \[1\]-134, \[1-2, err.\]. *Copies*: MO, NY.
*Ref*.: Bennett, A., J. Bot. 40: 368. 1902.
- Solms, Bot. Zeit. 60(2): 299-300. 1 Oct 1902.
##### n.7130. Plantevaexten paa Faerøerne
**Title**
*Plantevaexten paa Faerøerne* med saerlig hensyntagen til blomsterplanterne... København og Kristiania (Gyldendalske Boghandel-Nordisk Forlag...) 1906. Oct.
**Abbreviated title**: *Pl.-vaext. Faerøerne*.
**Notes**
*Publ*.: 20 Nov-31 Dec 1906 (p. ii), p. \[i-iv\], \[1\]-140, \[1, theses\]. *Copy*: NY.
##### n.7131. Flowering plants and ferns from north-western Greenland
**Title**
*Flowering plants and ferns from north-western Greenland* collected during the Jubilee expedition 1920-22 and some remarks on the phytogeography of North-Greenland... København (Bianco Lunos Bogtrykkeri) 1925. Oct.
**Abbreviated title**: *Fl. pl. n.w. Greenland*.
**Notes**
*Publ*.: 1925, p. \[1\]-42. *Copy*: USDA. – Reprinted from Medd. Grønland 68, 1925.
##### n.7132. The flora of Greenland and its origin
**Title**
*The flora of Greenland and its origin*... København (... Andr. Fred. Høst & Søn,...) 1926. Oct.
**Abbreviated title**: *Fl. Greenland*.
**Notes**
*Publ*.: 22 Nov-31 Dec 1926 (seep. 71), p. \[1\]-71. *Copy*: MO. – Kgl. Danske Vidensk. Selsk. Biol. Medd. 6(3).
##### n.7133. The species of the genus Larix
**Title**
*The species of the genus Larix* and their geographical distribution... København (... Andr. Fred. Høst Søn,...) 1930. Oct.
**Abbreviated title**: *Sp. Larix*.
**Notes**
*Co-author*: Carl Syrach-Larsen (1898-x).
*Publ*.: 30 Jun-31 Dec 1930 (see p. \[107\]), p. \[1\]-106, \[107, cont.\]. *Copy*: US. – Kgl. Danske Vidensk, Selsk. Biol. Medd. 9(2), 1930.
##### n.7134. The flora of Iceland and the Faeroes
**Title**
*The flora of Iceland and the Faeroes*... Copenhagen (Levin & Munksgaard...) 1934. Oct.
**Abbreviated title**: *Fl. Iceland*.
**Notes**
*Co-author*: Johannes Grøntved (1882-1956).
*Publ*.: Feb-Mai 1934 (p. vi: Jan 1934; J. Bot. Nov 1934; Nat. Nov. Jul. 1934; copy MO rd. 20 Feb 1935 p. \[i\]-xxiv, \[1\]-195, 2 maps. *Copies*: G, MICH, MO, NY, USDA.