Phacelia cinerea Eastwood ex Macbr.

San Nicolas Island phacelia, Ashy phacelia



Taxonomy & Nomenclature

Invalid (synonym of P. distans) (Humphreys et al., 2019)


Conservation Status

Invalid (synonym)

Last record: 1901 (Philbrick, 1980:184)



San Nicolas Island, Channel Islands, California, USA


Biology & Ecology










CPC. (1990). Centre for plant conservation data for North American plants database. CPC, Centre for plant conservation.

Humphreys, Aelys M., Govaerts, Rafaël, Ficinski, Sarah Z., Lughadha, Eimear Nic and Vorontsova, Maria S. (2019). Global dataset shows geography and life form predict modern plant extinction and rediscovery. Nature Ecology & Evolution 3: 1043-1047. [Supplementary Dataset 1]

Philbrick, Ralph N.. (1980). Distribution and Evolution of Endemic Plants of the California Islands, pp. 173-187. In: Power, D. M. (ed.). California Islands proceedings. A multidisciplinary symposium. Santa Barbara: Santa Barbara Museum of Natural History.

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.


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