Taxon Details

Eriogonum hoffmannii var. robustius

robust Hoffmann's buckwheat

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Taxon Summary:

Eriogonum hoffmannii var. robustius, commonly known as robust Hoffmann's buckwheat, is a annual herb in the Polygonaceae that is found only in California. It occurs within Mojavean desert scrub, growing at elevations from 150 to 1680 meters. Eriogonum hoffmannii var. robustius is ranked 1B.3, Plants Rare, Threatened or Endangered in California and Elsewhere; Not very threatened in California.

Classification

Scientific Name: Eriogonum hoffmannii S. Stokes var. robustius S. Stokes
Common Name: robust Hoffmann's buckwheat
Family:	Polygonaceae
Element Code:	PDPGN082V2
USDA Plants Symbol:	ERHOR
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.3
Fed List:	None
State List:	None
Global Rank:	G3T3
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: Aug-Nov

Elevation:
150 - 1680 meters
490 - 5510 feet

General Habitats:

Mojavean desert scrub (sandy)

Microhabitat Details:

Microhabitat:

Notes

Notes: See Leaflets of Western Botany 3(1):16 (1941) for original description, Madroño 22(7):379-380 (1974) for redescription, and Phytologia 66(4):365 (1989) for taxonomic treatment.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	0
	Total EOs	% of EOs
EOs with Threat Listed:	0	%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					13
A	B	C	D	X	U
0	2	0	0	0	11

Occurrence Status:
Historical >20 Years	9
Recent <=20 Years	4

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)
Inyo (INY)

Quads: Name (Quad Code)
Dantes View (3611626), Devils Golf Course (3611637), East of Ryan (3611635), Echo Canyon (3611646), Furnace Creek (3611647), Ryan (3611636)

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