CNPS

CNPS Rare Plant Inventory

Species Details

Erigeron blochmaniae

Blochman's leafy daisy

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  Classification

Scientific Name:
Erigeron blochmaniae Greene
Common Name:
Blochman's leafy daisy
Family: Asteraceae
Element Code: PDAST3M5J0
USDA Plants Symbol: ERBL4
Synonyms/Other Names:

  Conservation Status

CA Rare Plant Rank: 1B.2
Fed List: None
State List: None
Global Rank: G2
State Rank:
 S2
Other Status: BLM_S; SB_SBBG
CRPR Changes:
Add Date: 1974-01-01
Date Edited: 2021-05-26

  Ecology and Life History

Lifeform: perennial rhizomatous herb
Blooming Period: Jun-Aug
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Elevation:
3 - 45 meters
10 - 150 feet
General Habitats:
  • Coastal dunes
  • Coastal scrub
Microhabitat Details:
Microhabitat:

  Notes

Notes:
Threatened by development, non-native plants, and vehicles. See Pittonia 3:27-28 (1896) for original description, and Phytologia 72(3):157-208 (1992) for taxonomic treatment.
Threats:
Taxonomy:

  Threat List Data from the CNDDB

Threat List Total: 10
Total EOs % of EOs
EOs with Threat Listed: 11 31 %
THREAT LIST:
Recreational use (non-ORV) 4 11%
Development 3 8%
ORV activity 3 8%
Other 2 5%
Non-native plant impacts 2 5%

  Occurrence Data from the CNDDB

Total Occurrences: 36
Element Occurrence Ranks:
A B C D X U
1 2 2 1 0 30
Occurrence Status:
Historical >20 Years 26
Recent <=20 Years 10
Presence:
Presumed Extant 36
Possibly Extirpated 0
Presumed Extirpated 0

  Location

California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
San Luis Obispo (SLO), Santa Barbara (SBA)
Quads: Name (Quad Code)
Casmalia (3412075), Guadalupe (3412085), Morro Bay North (3512047), Morro Bay South (3512037), Oceano (3512015), Pismo Beach (3512026), Point Sal (3412086), Santa Maria (3412084), Surf (3412065)
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

Suggested Citation:
California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5). Website https://www.rareplants.cnps.org [accessed 22 December 2024].