Eriogonum umbellatum torreyanum (A.Gray) M.E.Jones (1903:5)
Donner pass buckwheat, Torrey's buckweat
Taxonomy & Nomenclature
Synonym/s: Eriogonum torreyanum A.Gray in Proc. Amer. Acad. Arts 8: 158 (1870)
Conservation Status
Last record: 24 July 1934 (Howell, 1973:23)
Rediscovered on: 21 August 1973 by Gordon H. True (True, 1973:20)
Distribution & Habitat
California, USA
Anatomy & Morphology
Biology & Ecology
Hypodigm
Media
References
California Natural Diversity Database (CNDDB). (2013). RareFind Version 4. California Department of Fish and Game, Sacramento.
Flora of North America Editorial Committee (FNA). (2005). Flora of North America north of Mexico. Vol. 5. Magnoliophyta: Caryophyllidae: Caryophyllales, Polygonales, and Plumbaginales. Oxford Univ. Press, New York. vii + 656 pp.
Govaerts, R. (2001). World Checklist of Seed Plants Database in ACCESS E-F: 1-50919.
Graf, M. (1999). Plants of the Tahoe Basin: Flowering plants, trees, and ferns. California Native Plant Society Press, Sacramento and Univ. California Press, Berkeley. 308 pp.
Hickman, J. C. (ed.). (1993). The Jepson manual: Higher plants of California. University of California Press, Berkeley, CA. 1400 pp.
Howell, John Thomas. (1973). Where does Torrey's buckweat grow? CNPS (California Native Plant Society) Newsletter 8(4): 23.
Kartesz, J. T. (1994). A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
POWO. (2025). Plants of the World Online (online resource). Facilitated by the Royal Botanic Gardens, Kew, United Kingdom. Available at: https://powo.science.kew.org/ [Accessed 26 March 2025]
Reveal, J. L. (1989). Eriogonoid flora of California (Polygonaceae: Eriogonoideae). Phytologia 66: 295-414.
Skinner, M. W. and Pavlik, B. M. (eds.). (1997). Inventory of rare and endangered vascular plants of California. 1997 Electronic Inventory Update of 1994 5th edition, California Native Plant Society, Special Publication No. 1, Sacramento.
Smith, James Payne, Jr., and Berg, Ken. (1988). Inventory of rare and endangered vascular plants of California. Special Publication No. 1 (4th edition). California Native Plant Society. Sacramento. xviii + 170 pp.
True, Gordon H. (1973). Torrey's buckwheat found again. Fremontia 1(3): 20.