Arctostaphylos hookeri franciscana Eastw.
Franciscan manzanita
Taxonomy & Nomenclature
Conservation Status
Extinct in the wild (Knapp et al., 2021)
Last record: 1942 (Smith, 2018); 1968 (in the wild) (Smith & York, 1984:1)
Rediscovered in 2009 (Knapp et al., 2021)
Last wild record: January 2010 (Knapp et al., 2021)
A single wild plant was rediscovered in 2009 in the path of roadworks. It was successfully translocated in January 2010, rendering the plant extinct in the wild (Knapp et al., 2021).
Distribution
San Francisco, California, USA
Biology & Ecology
Hypodigm
Media
References
Knapp, Wesley M., Frances, Anne, Noss, Reed, Naczi, Robert F. C., Weakley, Alan, Gann, George D., Baldwin, Bruce G., Miller, James, McIntyre, Patrick, Mishler, Brent D., Moore, Gerry, Olmstead, Richard G., Strong, Anna, Kennedy, Kathryn, Heidel, Bonnie and Gluesenkamp, Daniel. (2021). Vascular plant extinction in the continental United States and Canada. Conservation Biology 35(1): 360-368. https://doi.org/10.1111/cobi.13621 [Supporting Information (Appendix S1)]
Kruse-Pickler, David. (year?). San Francisco Manzanita: From Extinct to Endangered. NACA Appendix 2.
Smith, James Payne Jnr. (2018). California vascular plants: are some of them out there? Botanical Studies 74: 1-4? [4].
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.
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
https://vanishingflora.proboards.com/thread/2827/franciscan-manzanita