Species Details

Eriogonum crocatum

Conejo buckwheat

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Classification

Scientific Name: Eriogonum crocatum A. Davids.
Common Name: Conejo buckwheat
Family:	Polygonaceae
Element Code:	PDPGN081G0
USDA Plants Symbol:	ERCR3
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	CR (1979-09-01)
Global Rank:	G1
State Rank:	S1
Other Status:	SB_CalBG/RSABG
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2024-08-06

Ecology and Life History

Lifeform: perennial herb

Blooming Period: Apr-Jul

Elevation:
50 - 580 meters
165 - 1905 feet

General Habitats:

Chaparral
Coastal scrub
Valley and foothill grassland

Microhabitat Details: Conejo volcanic outcrops

Microhabitat:

Rocky
Volcanic

Notes

Notes: Known from fewer than twenty occurrences. Potentially threatened by development. See Bulletin of the Southern California Academy of Sciences 23:17 (1924) for original description, and Phytologia 66(4):338-339 (1989) for taxonomic treatment.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	10
	Total EOs	% of EOs
EOs with Threat Listed:	10	77 %
Development	5	38%
Recreational use (non-ORV)	4	30%
Road/trail construction/maint.	3	23%
Non-native plant impacts	3	23%
Over-collecting/poaching	3	23%
Erosion/runoff	2	15%
Foot traffic/trampling	2	15%
Grazing	2	15%
Mining	1	7%
Vandalism/dumping/litter	1	7%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					13
A	B	C	D	X	U
1	7	1	0	0	4

Occurrence Status:
Historical >20 Years	8
Recent <=20 Years	5

Presence:
Presumed Extant	13
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Ventura (VEN)

Quads: Name (Quad Code)
Camarillo (3411921), Newbury Park (3411828), Thousand Oaks (3411827), Triunfo Pass (3411818)

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