Taxon Details

Eriogonum microthecum var. schoolcraftii

Schoolcraft's wild buckwheat

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Taxon Summary:

Eriogonum microthecum var. schoolcraftii, commonly known as Schoolcraft's wild buckwheat, is a perennial shrub in the Polygonaceae that is found in California and elsewhere. It occurs within Great Basin scrub, and Pinyon and juniper woodland, growing at elevations from 1300 to 1750 meters. Eriogonum microthecum var. schoolcraftii is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Classification

Scientific Name: Eriogonum microthecum Nutt. var. schoolcraftii Reveal
Common Name: Schoolcraft's wild buckwheat
Family:	Polygonaceae
Element Code:	PDPGN083WG
USDA Plants Symbol:
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G5T3
State Rank:	S3
Other Status:	BLM_S; USFS_S
CRPR Changes: added to 1B.2 on 2007-07-10
Add Date:	2007-07-10
Date Edited:	2021-12-09

Ecology and Life History

Lifeform: perennial shrub

Blooming Period: Jul-Sep

Elevation:
1300 - 1750 meters
4265 - 5740 feet

General Habitats:

Great Basin scrub
Pinyon and juniper woodland

Microhabitat Details:

Microhabitat:

Rocky
Sandy

Notes

Notes: Known in California only from the Diamond and Ft. Sage Mtns. Potentially threatened by development. Possibly threatened by non-native plants and habitat conversion. See Phytologia 86: 148 (2004) for original description.
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:					7
A	B	C	D	X	U
0	0	0	0	0	7

Occurrence Status:
Historical >20 Years	7
Recent <=20 Years	0

Presence:
Presumed Extant	7
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA), Nevada (NV)

California Counties and Islands: Name (Code)
Lassen (LAS), Plumas (PLU)

Quads: Name (Quad Code)
Constantia (3912081), Doyle (4012011), Ferris Creek (4012013), McKesick Peak (4012012), Milford (4012023)

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