Species Details

Eriogonum nervulosum

Snow Mountain buckwheat

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Classification

Scientific Name: Eriogonum nervulosum (S. Stokes) Rev.
Common Name: Snow Mountain buckwheat
Family:	Polygonaceae
Element Code:	PDPGN08440
USDA Plants Symbol:	ERNE8
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G2
State Rank:	S2
Other Status:	BLM_S; SB_CalBG/RSABG; SB_SBBG; USFS_S
CRPR Changes:
Add Date:	1980-01-01
Date Edited:	2021-05-26

Ecology and Life History

Lifeform: perennial rhizomatous herb

Blooming Period: Jun-Sep

Elevation:
300 - 2105 meters
985 - 6905 feet

General Habitats:

Chaparral (serpentinite)

Microhabitat Details:

Microhabitat:

Notes

Notes: Known from fewer than twenty occurrences. Threatened by energy development, mining, and vehicles. See Phytologia 40:467 (1978) for revised nomenclature and 66(4):350 (1989) for taxonomic treatment.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	4
	Total EOs	% of EOs
EOs with Threat Listed:	3	33 %
Development	1	11%
Mining	1	11%
ORV activity	1	11%
Road/trail construction/maint.	1	11%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					9
A	B	C	D	X	U
4	2	0	0	0	3

Occurrence Status:
Historical >20 Years	6
Recent <=20 Years	3

Presence:
Presumed Extant	9
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Colusa (COL), Glenn (GLE), Lake (LAK), Napa (NAP), Sonoma (SON)

Quads: Name (Quad Code)
Crockett Peak (3912247), Gilmore Peak (3912235), Hough Springs (3912225), Jericho Valley (3812274), Knoxville (3812273), Leesville (3912224), Mount St. Helena (3812266), St. John Mtn. (3912246), Whispering Pines (3812276), Wilson Valley (3812284)

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

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Selected References

Other:

USFS Potential Species of Conservation Concern Profile