Astragalus kentrophyta douglasii Barneby

Douglas' milk-vetch, Barneby's thistle milk-vetch



Taxonomy & Nomenclature



Conservation Status


Last record: June 1883





Biology & Ecology










Original scientific description:

Bameby, R. L. (1964). Atlas of the North American Astragalus. Memoirs of the New York Botanical Garden, Vol. 13, Part III. The New York Botanical Garden, New York.


Other references:

Fertig, Walter. (2021). What Ever Happened to Taylor’s Draba? The Search for Historical and Extirpated Plants in Washington. Douglasia 45(1): 7-13.

Hitchcock, C.L., A. Cronquist, M. Ownbey, J.W. Thompson. 1961. Vascular Plants of the Pacific Northwest Part 3: Saxifragaceae to Ericaceae. University of Washington Press, Seattle, WA. 614 pp.

Kagan, Jimmy and Vrilakas, Susan. (1993). Extinct and Extirpated Plants from Oregon. Kalmiopsis [1993]: 12-16.

Knapp, Wesley M. et al. (2020). Vascular plant extinction in the continental United States and Canada. Conservation Biology. doi:

Walter, Kerry S. and Gillett, Harriet J. (eds.). (1998). 1997 IUCN Red List of Threatened Plants. Compiled by the World Conservation Monitoring Centre. Gland, Switzerland & Cambridge, UK: IUCN – The World Conservation Union. lxiv + 862 pp.