Astragalus agnicidus Barneby (1957:39)
Humboldt milk vetch, Humboldt milkvetch, Humboldt County milkvetch
Taxonomy & Nomenclature
Conservation Status
Last record: 19 May 1954 (Barneby, 1957:40; Smith & York, 1984:1 [as 1954]; Berg & Bittman, 1988:13 [as 1954])
Rediscovered in: September 1987 (Berg & Bittman, 1988:13)
Distribution
California, USA
Biology & Ecology
Hypodigm
Media
References
Original scientific description:
Barneby, R. C. (1957). Astragalus agnicidus, a new locoweed from Humboldt County, California. Madroño 14: 37-40.
Other references:
Berg, Ken and Bittman, Roxanne. (1988). Rediscovery of the Humboldt milk-vetch. Fremontia 16(1): 13-14.
Flora of North America Editorial Committee. (2023). Flora of North America North of Mexico 11(2): 543-1108. Oxford University Press, New York, Oxford.
Govaerts, R. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 529. MIM, Deurne.
Isely, D. (1998). Native & naturalized Leg. of the USA. Brigham Young Univ. Utah.
Kartesz, J. T. (1994). A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Smith, James Payne, Jr., and Berg, Ken. (1988). Inventory of rare and endangered vascular plants of California. Special Publication No. 1 (4th edition). California Native Plant Society. Sacramento. xviii + 170 pp.
Smith, James Payne, Jnr. (ed.) and York, Richard (DEM). (1984). Inventory of rare and endangered vascular plants of California. Special Publication No. 1 (3rd edition). Berkeley, California: California Native Plant Society. xviii + 174 pp.
Tibor, D. P. (2001). Inventory of rare and endangered vascular plants of California. Special Publication No. 1 (6th edition). California Native Plant Society. Sacramento. x + 388 pp.
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.
http://articles.latimes.com/1989-05-12/news/mn-3071_1_milk-vetch-vetch-lives-plant-species