CNPS

CNPS Rare Plant Inventory



Taxon Details

Eriogonum strictum var. greenei

Greene's buckwheat

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Photo of Eriogonum strictum var. greenei
©2010 Aaron Schusteff 		Photo of Eriogonum strictum var. greenei
©2017 Steve Matson 		Photo of Eriogonum strictum var. greenei
©2017 Steve Matson

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:
Name Status: JEF, FNA, POWO,
IPNI, Tropicos

  Conservation Status

CA Rare Plant Rank: 4.3
Fed List: None
State List: None
Global Rank: G5T4
State Rank:
 S4
Other Status: SB_UCSC
CRPR Changes:
Add Date: 1980-01-01
Date Edited: 2021-05-26

  Ecology and Life History

Lifeform: perennial herb
Blooming Period: Jul-Sep
JFMAMJJASOND
Elevation:
800 - 2100 meters
2625 - 6890 feet
General Habitats:
  • Lower montane coniferous forest (rocky, serpentinite)
Microhabitat Details:
Microhabitat:

  Notes

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:

  Threat List Data from the CNDDB

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

  Occurrence Data from the CNDDB

Total Occurrences: 0
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 0
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 0
Presence:
Presumed Extant 0
Possibly Extirpated 0
Presumed Extirpated 0

  Location

California Endemic:
California Island:
States: Name (Code)
California (CA)
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)
Notes:
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.
Regional Map

  Map

Presumed Extant
Click on quad for name. Hold Shift Key to use mouse scroll wheel

  Selected References

Other: USFS Potential Species of Conservation Concern Profile

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Suggested Citation:
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 26 January 2025].
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