Taxon Report

Eriogonum strictum Benth. var. greenei (Gray) Rev.

Greene's buckwheat

Print Report

Taxon Summary

Eriogonum strictum var. greenei, commonly known as Greene's buckwheat, is a perennial herb in the Polygonaceae that is found only in California. It occurs within Lower montane coniferous forest (rocky, and serpentinite), growing at elevations from 800 to 2100 meters. Eriogonum strictum var. greenei is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Classification


Scientific Name:	Eriogonum strictum Benth. var. greenei (Gray) Rev.
Common Name:	Greene's buckwheat
Family:	Polygonaceae
Element Code:	PDPGN085L3
USDA Plants Symbol:
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: Jul-Sep	Jul-Sep
Elevation:	800-2100 (2625-6890)
General Habitats:	Lower montane coniferous forest
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	4.3
Global Rank:	G5T4
State Rank:	S4
State List:	None
Fed List:	None
Other Status:	SB_UCSC
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	0
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	0
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	0

Location


California Endemic: True
California Counties and Islands: Name (Code)
Colusa (COL), Shasta (SHA), Siskiyou (SIS), Tehama (TEH), Trinity (TRI)
Quads: Name (Quad Code)
Black Rock Mtn. (4012321), Callahan (4112237), China Mtn. (4112245), Dubakella Mtn. (4012342), Eaton Peak (4112238), Fort Jones (4112257), Fouts Springs (3912236), Gazelle Mtn. (4112246), Greenview (4112258), Jim Jam Ridge (4012383), Mount Eddy (4112234), Mumbo Basin (4112225), Naufus Creek (4012343), North Yolla Bolly (4012228), Platina (4012238), Pony Buck Peak (4012331), Scott Mountain (4112236), Smoky Creek (4012332), South Yolla Bolly (4012217), Thurston Peaks (4012382)

Threat List Data from the CNDDB


Threat List Total:	0
EOs with Threat Listed:	Total EOs	% of EOs
	0	0 %

Notes



See Proceedings of the American Academy of Arts and Sciences 12:83 (1870) for original description, and Phytologia 40:467 (1978) for revised nomenclature and 66(4):337-338 (1989) for taxonomic treatment.
Threats:

Taxonomy:

Selected References

USFS Potential Species of Conservation Concern Profile

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 27 January 2025].