Taxon Details

Erigeron aequifolius

Hall's daisy

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Taxon Summary:

Erigeron aequifolius, commonly known as Hall's daisy, is a perennial rhizomatous herb in the Asteraceae that is found only in California. It occurs within Broadleafed upland forest, Lower montane coniferous forest, Pinyon and juniper woodland, and Upper montane coniferous forest, growing at elevations from 1500 to 2440 meters. Erigeron aequifolius is ranked 1B.3, Plants Rare, Threatened or Endangered in California and Elsewhere; Not very threatened in California.

Lifeform: perennial rhizomatous herb
Blooming Period: Jun-Aug
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Elevation:
1500 - 2440 meters
4920 - 8005 feet
General Habitats:
  • Broadleafed upland forest
  • Lower montane coniferous forest
  • Pinyon and juniper woodland
  • Upper montane coniferous forest
Microhabitat Details:
Microhabitat:
  • Granitic
  • Rocky
Notes:
Known from fewer than twenty occurrences. See University of California Publications in Botany 6:174 (1915) for original description, and Phytologia 72(3):157-208 (1992) for taxonomic treatment.
Threats:
Taxonomy:
Threat List Total: 1
Total EOs % of EOs
EOs with Threat Listed: 1 8 %
THREAT LIST:
Road/trail construction/maint. 1 7%
Total Occurrences: 13
Element Occurrence Ranks:
A B C D X U
1 0 1 0 0 11
Occurrence Status:
Historical >20 Years 12
Recent <=20 Years 1
Presence:
Presumed Extant 13
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Fresno (FRE), Kern (KRN), Tulare (TUL)
Quads: Name (Quad Code)
Durrwood Creek (3611814), Hockett Peak (3611824), Hume (3611878), Kern Lake (3611834), Owens Peak (3511768), The Sphinx (3611875), Wren Peak (3611877)
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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