CNPS

CNPS Rare Plant Inventory

Species Details

Erigeron uncialis var. uncialis

limestone daisy

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Photo of Erigeron uncialis var. uncialis
© 2011 John Game 		Photo of Erigeron uncialis var. uncialis
© 2011 Steve Matson 		Photo of Erigeron uncialis var. uncialis
© 2011 Dana York

  Classification

Scientific Name:
Erigeron uncialis Blake var. uncialis
Common Name:
limestone daisy
Family: Asteraceae
Element Code: PDASTE1081
USDA Plants Symbol:
Synonyms/Other Names:

  Conservation Status

CA Rare Plant Rank: 1B.2
Fed List: None
State List: None
Global Rank: G3G4T2
State Rank:
 S2
Other Status: USFS_S
CRPR Changes:
changed from 2.2 to 1B.2 on 2006-10-11
Add Date: 1984-01-01
Date Edited: 2023-11-08

  Ecology and Life History

Lifeform: perennial herb
Blooming Period: May-Jul
JFMAMJJASOND
Elevation:
1900 - 2900 meters
6235 - 9515 feet
General Habitats:
  • Great Basin scrub
  • Pinyon and juniper woodland
  • Subalpine coniferous forest
Microhabitat Details: Crevices of limestone cliffs.
Microhabitat:
  • Carbonate

  Notes

Notes:
Known from fewer than 10 occurrences in Inyo and San Bernardino Counties. Possibly threatened by mining. See SIDA 21(1):19-39 (2004) for revised nomenclature.
Threats:
Taxonomy:

  Threat List Data from the CNDDB

Threat List Total: 1
Total EOs % of EOs
EOs with Threat Listed: 1 13 %
THREAT LIST:
Mining 1 12%

  Occurrence Data from the CNDDB

Total Occurrences: 8
Element Occurrence Ranks:
A B C D X U
3 0 0 0 0 5
Occurrence Status:
Historical >20 Years 8
Recent <=20 Years 0
Presence:
Presumed Extant 8
Possibly Extirpated 0
Presumed Extirpated 0

  Location

California Endemic:
California Island:
States: Name (Code)
California (CA), Nevada (NV)
California Counties and Islands: Name (Code)
Inyo (INY), San Bernardino (SBD)
Quads: Name (Quad Code)
Cerro Gordo Peak (3611757), Clark Mtn. (3511555), Crooked Creek (3711841), Mazourka Peak (3611881), Telescope Peak (3611721), Tin Mountain (3611784)
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.
Regional Map

  Map

Presumed Extant
Click on quad for name. Hold Shift Key to use mouse scroll wheel

  Selected References

CNPS Status Review: CRPR List Change on 2006-10-11
Suggested Citation:
California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5). Website https://www.rareplants.cnps.org [accessed 19 April 2024].