Taxon Details

Eriogonum siskiyouense

Siskiyou buckwheat

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Taxon Summary:

Eriogonum siskiyouense, commonly known as Siskiyou buckwheat, is a perennial herb in the Polygonaceae that is found only in California. It occurs within Lower montane coniferous forest (rocky, and often serpentinite), growing at elevations from 970 to 2740 meters. Eriogonum siskiyouense is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Classification

Scientific Name: Eriogonum siskiyouense Small
Common Name: Siskiyou buckwheat
Family:	Polygonaceae
Element Code:	PDPGN085F0
USDA Plants Symbol:	ERSI5
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	4.3
Fed List:	None
State List:	None
Global Rank:	G3
State Rank:	S3
Other Status:
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2021-11-05

Ecology and Life History

Lifeform: perennial herb

Blooming Period: (Jun)Jul-Sep

Elevation:
970 - 2740 meters
3185 - 8990 feet

General Habitats:

Lower montane coniferous forest (rocky, often serpentinite)

Microhabitat Details:

Microhabitat:

Notes

Notes: See Bulletin of the Torrey Botanical Club 25:44 (1898) for original description, and Phytologia 66(4):348 (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	0 %

Occurrence Data from the CNDDB

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

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

Presence:
Presumed Extant	0
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Shasta (SHA), Siskiyou (SIS), Tehama (TEH), Trinity (TRI)

Quads: Name (Quad Code)
Billys Peak (4112227), Callahan (4112237), China Mtn. (4112245), Dubakella Mtn. (4012342), Gazelle Mtn. (4112246), Mount Eddy (4112234), North Yolla Bolly (4012228), Platina (4012238), Pony Buck Peak (4012331), Scott Mountain (4112236), Smoky Creek (4012332), South China Mtn. (4112235), Wildwood (4012341), Yreka (4112266)

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