Eriogonum truncatum (Torr.) A. Gray

Mount Diablo buckwheat



Taxonomy & Nomenclature



Conservation Status

Last record: 1936

Rediscovered in 2005



Mount Diablo, Contra Costa County, California (northern), USA


Biology & Ecology










Burkholder, Mike. (9 September, 2016). Critically Endangered Wildflower Discovered at Black Diamond Mines Regional Preserve. East County Today, available from:

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]

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.


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