Species Details

Eriogonum nudum var. psychicola

Antioch Dunes buckwheat

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Species Description:

Eriogonum nudum var. psychicola, commonly known as Antioch Dunes buckwheat, is a perennial herb in the Polygonaceae that is found only in California. It occurs within Inland dunes, growing at elevations from 0 to 20 meters. Eriogonum nudum var. psychicola is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.

Classification

Scientific Name: Eriogonum nudum Douglas ex Benth. var. psychicola Reveal
Common Name: Antioch Dunes buckwheat
Family:	Polygonaceae
Element Code:	PDPGN0849Q
USDA Plants Symbol:
Synonyms/Other Names:
Name Status:	JEP, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.1
Fed List:	None
State List:	None
Global Rank:	G5T1
State Rank:	S1
Other Status:
CRPR Changes: added to 1B.1 on 2010-06-21
Add Date:	2010-06-21
Date Edited:	2021-05-26

Ecology and Life History

Lifeform: perennial herb

Blooming Period: Jul-Oct

Elevation:
0 - 20 meters
0 - 65 feet

General Habitats:

Inland dunes

Microhabitat Details:

Microhabitat:

Notes

Notes: Known from a single occurrence in the Antioch Dunes. Possibly threatened by non-native plants. See Phytologia 89:287 (2007) for original description.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	2
	Total EOs	% of EOs
EOs with Threat Listed:	1	100 %
Development	1	100%
Mining	1	100%

Occurrence Data from the CNDDB

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

Occurrence Status:
Historical >20 Years	1
Recent <=20 Years	0

Presence:
Presumed Extant	1
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Contra Costa (CCA)

Quads: Name (Quad Code)
Antioch North (3812117)

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