Taxon Report

Trifolium andersonii A. Gray ssp. andersonii

Anderson's clover

Print Report

Taxon Summary

Trifolium andersonii ssp. andersonii, commonly known as Anderson's clover, is a perennial herb in the Fabaceae that is found in California and elsewhere. It occurs within Great Basin scrub, Lower montane coniferous forest, Meadows and seeps, and Pinyon and juniper woodland, growing at elevations from 900 to 2440 meters. Trifolium andersonii ssp. andersonii is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Classification


Scientific Name:	Trifolium andersonii A. Gray ssp. andersonii
Common Name:	Anderson's clover
Family:	Fabaceae
Element Code:	PDFAB40055
USDA Plants Symbol:	TRANA2
Synonyms/Other Names:	Trifolium andersonii var. andersonii

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: Jun-Jul	Jun-Jul
Elevation:	900-2440 (2955-8005)
General Habitats:	Great Basin scrub, Lower montane coniferous forest, Meadows and seeps, Pinyon and juniper woodland
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	4.3
Global Rank:	G5T5
State Rank:	S4
State List:	None
Fed List:	None
Other Status:	SB_UCSC; SB_USDA
CRPR Changes:

Occurrence Data from the CNDDB


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

Location


California Endemic: False
California Counties and Islands: Name (Code)
Lassen (LAS), Plumas (PLU), Sierra (SIE)
Quads: Name (Quad Code)
Calpine (3912064), Janesville (4012035), Letterbox Hill (4112018), Portola (3912074), Reconnaissance Peak (3912073), Whitinger Mtn. (4012086)

Threat List Data from the CNDDB


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

Notes



Does plant occur in INY Co.? See Proceedings of the American Academy of Arts and Sciences 6:522 (1865) for original description, and Canadian Journal of Botany 50(10):1996-1997 (1972) 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 26 October 2025].