Taxon Report

Erigeron greenei Nesom

Greene's narrow-leaved daisy

Print Report

Taxon Summary

Erigeron greenei, commonly known as Greene's narrow-leaved daisy, is a perennial herb in the Asteraceae that is found only in California. It occurs within Chaparral (serpentinite, and volcanic), growing at elevations from 80 to 1005 meters. Erigeron greenei is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Classification


Scientific Name:	Erigeron greenei Nesom
Common Name:	Greene's narrow-leaved daisy
Family:	Asteraceae
Element Code:	PDAST3M5G0
USDA Plants Symbol:
Synonyms/Other Names:	Erigeron angustatus Greene

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: May-Sep	May-Sep
Elevation:	80-1005 (260-3295)
General Habitats:	Chaparral
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.2
Global Rank:	G2?
State Rank:	S2?
State List:	None
Fed List:	None
Other Status:	BLM_S
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	20
Element Occurrence Ranks:
Excellent (A)	1
Good (B)	3
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	16

Location


California Endemic: True
California Counties and Islands: Name (Code)
Colusa (COL), Lake (LAK), Napa (NAP), Sonoma (SON)
Quads: Name (Quad Code)
Bartlett Springs (3912226), Camp Meeker (3812248), Cazadero (3812351), Chiles Valley (3812253), Detert Reservoir (3812265), Duncans Mills (3812341), Lake Berryessa (3812252), Middletown (3812275), Mount St. Helena (3812266), Mt. George (3812232), Napa (3812233), Rutherford (3812244), St. Helena (3812254), Whispering Pines (3812276), Wilbur Springs (3912214), Yountville (3812243)

Threat List Data from the CNDDB


Threat List Total:	1
EOs with Threat Listed:	Total EOs	% of EOs
	1	5 %
Other	1	5%

Notes



See Bulletin of the Southern California Academy of Sciences 1:88 (1885) for original description, and Phytologia 72(3):157-208 (1992) 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 5 February 2025].