CNPS

CNPS Rare Plant Inventory

Species Details

Ceanothus ferrisiae

Coyote ceanothus

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  Classification

Scientific Name:
Ceanothus ferrisiae McMinn
Common Name:
Coyote ceanothus
Family: Rhamnaceae
Element Code: PDRHA041N0
USDA Plants Symbol: CEFE2
Synonyms/Other Names:

  Conservation Status

CA Rare Plant Rank: 1B.1
Fed List: FE (1995-02-03)
State List: None
Global Rank: G1
State Rank:
 S1
Other Status: SB_CalBG/RSABG; SB_SBBG
CRPR Changes:
Add Date: 1974-01-01
Date Edited: 2021-10-04

  Ecology and Life History

Lifeform: perennial evergreen shrub
Blooming Period: Jan-May
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Elevation:
120 - 460 meters
395 - 1510 feet
General Habitats:
  • Chaparral
  • Coastal scrub
  • Valley and foothill grassland
Microhabitat Details:
Microhabitat:
  • Serpentinite

  Notes

Notes:
Known from approximately five occurrences in the Mt. Hamilton Range. Threatened by expansion of Anderson Reservoir spillway, development, and alteration of fire regimes. See Madroño 2(11):89-90 (1933) for original description.
Threats:
Taxonomy:

  Threat List Data from the CNDDB

Threat List Total: 3
Total EOs % of EOs
EOs with Threat Listed: 3 75 %
THREAT LIST:
Development 2 50%
Grazing 2 50%
Improper burning regime 2 50%

  Occurrence Data from the CNDDB

Total Occurrences: 4
Element Occurrence Ranks:
A B C D X U
1 1 0 1 0 1
Occurrence Status:
Historical >20 Years 1
Recent <=20 Years 3
Presence:
Presumed Extant 4
Possibly Extirpated 0
Presumed Extirpated 0

  Location

California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Santa Clara (SCL)
Quads: Name (Quad Code)
Loma Prieta (3712117), Morgan Hill (3712126), Mt. Sizer (3712125)
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. 2023. Rare Plant Inventory (online edition, v9.5). Website https://www.rareplants.cnps.org [accessed 29 November 2023].