Taxon Report

Eriogonum kelloggii Gray

Kellogg's buckwheat

Print Report

Taxon Summary

Eriogonum kelloggii, commonly known as Kellogg's buckwheat, is a perennial herb in the Polygonaceae that is found only in California. It occurs within Lower montane coniferous forest (rocky, and serpentinite), growing at elevations from 579 to 1250 meters. Eriogonum kelloggii is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Classification


Scientific Name:	Eriogonum kelloggii Gray
Common Name:	Kellogg's buckwheat
Family:	Polygonaceae
Element Code:	PDPGN083A0
USDA Plants Symbol:	ERKE
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: (May)Jun-Aug	(May)Jun-Aug
Elevation:	579-1250 (1900-4100)
General Habitats:	Lower montane coniferous forest
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.2
Global Rank:	G2
State Rank:	S2
State List:	CE
Fed List:	None
Other Status:	BLM_S; SB_CalBG/RSABG
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	7
Element Occurrence Ranks:
Excellent (A)	1
Good (B)	2
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	4

Location


California Endemic: True
California Counties and Islands: Name (Code)
Mendocino (MEN)
Quads: Name (Quad Code)
Leggett (3912376), Noble Butte (3912386)

Threat List Data from the CNDDB


Threat List Total:	2
EOs with Threat Listed:	Total EOs	% of EOs
	4	57 %
Mining	3	42%
Road/trail construction/maint.	3	42%

Notes



Potentially threatened by mining. See Proceedings of the American Academy of Arts and Sciences 8:293 (1870) for original description, and Phytologia 66(4):351 (1989) for taxonomic treatment.
Threats:

Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 1 March 2025].