Species Details

Eriogonum spectabile

Barron's buckwheat

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Species Description:

Eriogonum spectabile, commonly known as Barron's buckwheat, is a perennial evergreen shrub in the Polygonaceae that is found only in California. It occurs within Upper montane coniferous forest, growing at elevations from 2010 to 2050 meters. Eriogonum spectabile is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.

Classification

Scientific Name: Eriogonum spectabile B.L. Corbin, Reveal & R. Barron
Common Name: Barron's buckwheat
Family:	Polygonaceae
Element Code:	PDPGN08750
USDA Plants Symbol:	ERSP20
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:	G1
State Rank:	S1
Other Status:	USFS_S
CRPR Changes: changed from 1B.2 to 1B.1 on 2004-07-08
Add Date:	2004-01-01
Date Edited:	2021-12-09

Ecology and Life History

Lifeform: perennial evergreen shrub

Blooming Period: Jul-Sep

Elevation:
2010 - 2050 meters
6595 - 6725 feet

General Habitats:

Upper montane coniferous forest

Microhabitat Details: glaciated andesite

Microhabitat:

Rocky (sometimes)
Sandy (sometimes)

Notes

Notes: Known from only two occurrences in Lassen N.F. Potentially threatened by logging, trampling and vehicles. Not in The Jepson Manual. See Madroño 47(2):134 (2000) 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:	2	100 %
Logging	2	100%
Insufficient population/stand size	1	50%

Occurrence Data from the CNDDB

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

Occurrence Status:
Historical >20 Years	0
Recent <=20 Years	2

Presence:
Presumed Extant	2
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Plumas (PLU)

Quads: Name (Quad Code)
Red Cinder (4012142)

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 Status Review:	CRPR List Addition on 2004-07-08
Other:	USFS Potential Species of Conservation Concern Profile

CNPS Rare Plant Inventory