Astragalus pycnostachyus lanosissimus (Rydb.) Munz (1932:66)
Ventura Marsh milkvetch
Taxonomy & Nomenclature
Synonym/s: Phaca lanosissima Rydb. in N.L.Britton & al. (eds.), N. Amer. Fl. 24: 357 (1929)
Conservation Status
Last record: 1967 (Smith & York, 1984:1)
Rediscovered in 1997
Distribution
California, USA
Biology & Ecology
Hypodigm
Media
References
Barneby, R.C. 1964. Atlas of North American Astragalus. Memoirs of the New York Botanical Garden. Volume 13: 1-1118.
Govaerts, R. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 529. MIM, Deurne.
Hickman, J.C. 1993. The Jepson manual: Higher plants of California. Berkeley: University of California Press. 1400p.
Ikeda, D. and M. Meyer. 2000. Report to the Fish and Game Commission on the status of Ventura marsh milk-vetch (Astragalus pycnostachyus var. lanosissimus). Status Report 2000-1. Sacramento, California: p.50.
Jensen, N. J. 2007. The Habitat of Astragalus pycnostachyus var. lanosissimus (Ventura marsh milk-vetch) and an Assessment of Potential Future Planting Sites. Channel Islands Chapter of the California Native Plant Society. 96 pp.
Jones, M. 1923. Revision of the North American species of Astragalus. Salt Lake City, Utah: Published by the author. 288p.
Lemein, T., and K. Niessen. 2019. Evaluation of the presence of Ventura marsh milk-vetch at historical planting locations. Personal observation by Todd Lemein and Kenneth Niessen, US Fish and Wildlife Service Botanists.
Meyer, M. E. 2007. Assessment of Experimental Outplantings of the Endangered Ventura Marsh Milkvetch (Astragalus pycnostachyus var. lanosissimus). California Department of Fish and Game. San Diego, California. 185 pp.
Meyer, M. E. 2012. Ten Years After: Assessment of Experimental Outplantings of the Endangered Ventura Marsh Milkvetch (Astragalus pycnostachyus var. lanosissimus). California Department of Fish Game. San Diego, California. 75 pp.
Meyer, M. E. 2014. 2014 Outplanting to Coal Oil Point Reserve, Astragalus pycnostachyus var. lanosissimus. Update regarding Federal Grant Agreement P1182015. 2 pp.
Munz, P. 1974. A flora of southern California. Berkeley: University of California Press. 1086p.
Reed, Samuel, Swift, I. and Reed, J. (2010). Rare plant survey and assessment for forest lawn Memorial-Park, Hollywood Hills. Report prepared for The City of Los Angeles, California and Forest Lawn Memorial-Park Association. TERACOR Resource Management. i + 56 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.
Soza, V. M. Wall, and D. Hannon. 2003. Experimental introduction of the Ventura marsh milkvetch (Astragalus pycnostachyus var. lanosissimus) at Carpinteria Salt Marsh Reserve and McGrath State Beach. Rancho Santa Ana Botanic Garden. p 30.
USFWS. (1999). Proposed endangered status for Astragalus pycnostachyus var. lanosissimus (Ventura Marsh Milkvetch). Federal Register. 64, 100: 28136-28142.
USFWS. (2001). Final rule for endangered status for Astragalus pycnostachyus var. lanosissimus (Ventura marsh milkvetch). Federal Register. 66, 98: 27901-27908.
USFWS. (2020). Ventura Marsh Milk-Vetch: (Astragalus pycnostachyus var. lanosissimus) Species Status Assessment. Ventura, California: U.S. Fish and Wildlife Service.
Wilken, D. and Wardlaw, T. (2001). Ecological and life history characteristics of Ventura marsh milkvetch (Astragalus pycnostachyus var. lanosissimus) and their implications for recovery. Santa Barbara Botanic Garden. p 55.
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.
https://www.noozhawk.com/article/ucsb_botanists_help_once_extinct_native_plant_find_new_life