Species Details

Eriogonum bifurcatum

forked buckwheat

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Species Description:

Eriogonum bifurcatum, commonly known as forked buckwheat, is a annual herb in the Polygonaceae that is found in California and elsewhere. It occurs within Chenopod scrub, growing at elevations from 645 to 810 meters. Eriogonum bifurcatum is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Classification

Scientific Name: Eriogonum bifurcatum Rev.
Common Name: forked buckwheat
Family:	Polygonaceae
Element Code:	PDPGN080R0
USDA Plants Symbol:	ERBI2
Synonyms/Other Names:
Name Status:	JEP, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G3
State Rank:	S3
Other Status:	BLM_S; SB_CalBG/RSABG
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2021-05-26

Ecology and Life History

Lifeform: annual herb

Blooming Period: Apr-Jun

Elevation:
645 - 810 meters
2115 - 2660 feet

General Habitats:

Chenopod scrub (sandy)

Microhabitat Details:

Microhabitat:

Notes

Notes: Threatened by solar energy and other development. Possibly threatened by vehicles and non-native plants. Threatened in NV. See Aliso 7(3):357-360 (1971) for original description, and Phytologia 66(4):363 (1989) for taxonomic treatment.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	6
	Total EOs	% of EOs
EOs with Threat Listed:	31	78 %
ORV activity	24	60%
Non-native plant impacts	21	52%
Road/trail construction/maint.	10	25%
Development	7	17%
Agriculture	3	7%
Vandalism/dumping/litter	1	2%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					40
A	B	C	D	X	U
17	12	2	1	0	8

Occurrence Status:
Historical >20 Years	6
Recent <=20 Years	34

Presence:
Presumed Extant	40
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA), Nevada (NV)

California Counties and Islands: Name (Code)
Inyo (INY), San Bernardino (SBD)

Quads: Name (Quad Code)
Calvada Springs (3511588), Kingston Peak (3511568), Kingston Spring (3511558), Mound Spring (3611518), Nopah Peak (3611611), Resting Spring (3511682), Shenandoah Peak (3511575), Sixmile Spring (3611621), Stewart Valley (3611622), Stump Spring, Nev. (3511587), Tecopa Pass (3511671), Twelvemile Spring (3611612), West of Shenandoah Peak (3511576)

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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CNPS Rare Plant Inventory