Taxon Report

Erigeron nivalis Nuttall

snow fleabane daisy

Print Report

Taxon Summary

Erigeron nivalis, commonly known as snow fleabane daisy, is a perennial herb in the Asteraceae that is found in California and elsewhere. It occurs within Alpine boulder and rock field, Meadows and seeps, and Subalpine coniferous forest, growing at elevations from 1735 to 2900 meters. Erigeron nivalis is ranked 2B.3, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Not very threatened in California.

Classification


Scientific Name:	Erigeron nivalis Nuttall
Common Name:	snow fleabane daisy
Family:	Asteraceae
Element Code:	PDASTE1060
USDA Plants Symbol:
Synonyms/Other Names:	Erigeron acris L. var. debilis Gray Trimorpha acris (Linnaeus) Gray var. debilis (Gray) Nesom

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: Jul-Aug	Jul-Aug
Elevation:	1735-2900 (5695-9515)
General Habitats:	Alpine boulder and rock field, Meadows and seeps, Subalpine coniferous forest
Microhabitat:	Rocky, Volcanic
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	2B.3
Global Rank:	G5
State Rank:	S3
State List:	None
Fed List:	None
Other Status:
CRPR Changes:	changed from 2.3 to 2B.3 on 2013-06-12

Occurrence Data from the CNDDB


Total Occurrences:	12
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	3
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	9

Location


California Endemic: False
California Counties and Islands: Name (Code)
Lassen (LAS), Plumas (PLU), Shasta (SHA), Siskiyou (SIS)
Quads: Name (Quad Code)
Bogard Buttes (4012152), Hotlum (4112243), Lassen Peak (4012145), McCloud (4112232), Medicine Lake (4112155), Mt. Harkness (4012143), Mt. Shasta (4112242), Rainbow Mtn. (4112148), Reading Peak (4012144), West Prospect Peak (4012154)

Threat List Data from the CNDDB


Threat List Total:	1
EOs with Threat Listed:	Total EOs	% of EOs
	1	8 %
Logging	1	8%

Notes



Potentially threatened by logging. See Synoptical Flora of North America 1(2):220 (1884) for original description, and Phytologia 67(1):61-66 (1989) for taxonomic treatment.
Threats:

Taxonomy:

Selected References

USFS Potential Species of Conservation Concern Profile

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 February 2025].