Arctostaphylos hookeri franciscana Eastw.
Franciscan manzanita
Taxonomy & Nomenclature
Conservation Status
Extinct in the wild
Last record: 1942 (Smith, 2018)
A single plant remains in the wild, rediscovered in 2009. Thus although the taxon has been rediscovered in the wild, the in situ population is not viable.
Distribution
San Francisco, California, USA
Biology & Ecology
Hypodigm
Media
References
Knapp, Wesley M. et al. (2020). Vascular plant extinction in the continental United States and Canada. Conservation Biology. doi: https://doi.org/10.1111/cobi.13621
Smith, James P. Jnr. (2018). California vascular plants: are some of them out there? Botanical Studies 74: 1-4? [4].
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://www.sfexaminer.com/presidios-loneliest-plant-world-meets-match/
http://www.biologicaldiversity.org/news/press_releases/2011/san-francisco-manzanita-09-07-2011.html
http://vanishingflora.proboards.com/thread/2827/franciscan-manzanita