Species Details

Erigeron serpentinus

serpentine daisy

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Scientific Name:
Erigeron serpentinus G. Nesom
Common Name:
serpentine daisy
Family: Asteraceae
Element Code: PDAST3M5M0
USDA Plants Symbol: ERSE8
Synonyms/Other Names:
Lifeform: perennial herb
Blooming Period: May-Aug
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Elevation:
60 - 670 meters
195 - 2200 feet
General Habitats:
  • Chaparral (seeps, serpentinite)
Microhabitat Details:
Microhabitat:
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:
Threat List Total: 6
Total EOs % of EOs
EOs with Threat Listed: 4 67 %
THREAT LIST:
Grazing 4 66%
Feral pigs 3 50%
Non-native plant impacts 3 50%
Other 2 33%
Foot traffic/trampling 2 33%
Total Occurrences: 6
Element Occurrence Ranks:
A B C D X U
2 1 2 0 0 1
Occurrence Status:
Historical >20 Years 2
Recent <=20 Years 4
Presence:
Presumed Extant 6
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
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)
Notes:
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.
Presumed Extant
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