CNPS

CNPS Rare Plant Inventory

Species Details

Corethrogyne filaginifolia var. linifolia

Del Mar Mesa sand aster

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Classification

Scientific Name:
Corethrogyne filaginifolia (H. & A.) Nutt. var. linifolia Hall
Common Name:
Del Mar Mesa sand aster
Family: Asteraceae
Element Code: PDAST2M027
USDA Plants Symbol:
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank: 1B.1
Fed List: None
State List: None
Global Rank: G4T1Q
State Rank:
 S1
Other Status: SB_CRES
CRPR Changes:
Add Date: 1980-01-01
Date Edited: 2021-11-05

Ecology and Life History

Lifeform: perennial herb
Blooming Period: May-Sep
Elevation:
5 - 150 meters
15 - 490 feet
General Habitat:
  • Coastal bluff scrub
  • Chaparral (maritime, openings)
  • Coastal scrub
General Micro Habitat:
Micro Habitat:
  • Sandy

Notes

Notes:
Threatened by development, trampling, non-native plants, and road maintenance. A synonym of Lessingia filaginifolia var. filaginifolia in The Jepson Manual; additional taxonomic work ongoing as of 1999.
Threats:
Taxonomy:
Other:

Occurrence Data from the CNDDB

Total Occurrences: 43
Element Occurrence Ranks:
A B C D X U
2 6 3 4 3 25
Occurrence Status:
Historical >20 Years 25
Recent <=20 Years 18
Presence:
Presumed Extant 40
Possibly Extirpated 2
Presumed Extirpated 1

Location

California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
San Diego (SDG)
Quads: Name (Quad Code)
Del Mar (3211782), Encinitas (3311713), Rancho Santa Fe (3311712), San Luis Rey (3311723)
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
Print this Map
Counties   Quads

Selected References

Suggested Citation:
California Native Plant Society, Rare Plant Program. 2022. Rare Plant Inventory (online edition, v9-01 1.5). Website https://www.rareplants.cnps.org [accessed 5 December 2022].