Taxon Report

Erigeron serpentinus G. Nesom

serpentine daisy

Print Report

Classification


Scientific Name:	Erigeron serpentinus G. Nesom
Common Name:	serpentine daisy
Family:	Asteraceae
Element Code:	PDAST3M5M0
USDA Plants Symbol:	ERSE8
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: May-Aug	May-Aug
Elevation:	60-670 (195-2200)
General Habitats:	Chaparral
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.3
Global Rank:	G2
State Rank:	S1
State List:	None
Fed List:	None
Other Status:	BLM_S; SB_CalBG/RSABG
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	6
Element Occurrence Ranks:
Excellent (A)	2
Good (B)	1
Fair (C)	2
Poor (D)	0
None (X)	0
Unknown (U)	1

Location


California Endemic: True
California Counties and Islands: Name (Code)
Sonoma (SON)
Quads: Name (Quad Code)
Arched Rock (3812342), Cazadero (3812351), Duncans Mills (3812341), Fort Ross (3812352), Guerneville (3812258)

Threat List Data from the CNDDB


Threat List Total:	6
EOs with Threat Listed:	Total EOs	% of EOs
	4	67 %
Grazing	4	66%
Feral pigs	3	50%
Non-native plant impacts	3	50%
Other	2	33%
Foot traffic/trampling	2	33%
Mining	1	16%

Notes



Known only from The Cedars and along Porter Creek. Possibly threatened by grazing and non-native plants. Similar to E. angustatus. See Phytologia 72(3):157-208 (1992) for original description.
Threats:

Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 29 December 2024].