Palmer's Rabbitbrush - Center For Plant Conservation
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Plant Profile

Palmer's Rabbitbrush (Ericameria palmeri ssp. palmeri)

  • Global Rank: T2 - Imperiled
  • Legal Status: N/A
  • Family: Asteraceae
  • State: CA
  • Nature Serve ID: 139663
  • Date Inducted in National Collection:

This perennial shrub is 10-40 dm tall and has curved leaves 20-40 mm in length and 4-8 ray flowers. There are 2n = 18 chromosomes (Urbatsch, 2017). Blooming occurs from September to November (CNPS, 2010).

Where is Palmer's Rabbitbrush (Ericameria palmeri ssp. palmeri) located in the wild?


Coastal sage scrub, chaparral Occurs at an elevation of 30 - 600 m (CNPS, 2010).


San Diego County Baja California

States & Provinces:

Palmer's Rabbitbrush can be found in California

Which CPC Partners conserve Palmer's Rabbitbrush (Ericameria palmeri ssp. palmeri)?

CPC's Plant Sponsorship Program provides long term stewardship of rare plants in our National Collection. We are so grateful for all our donors who have made the Plant Sponsorship Program so successful. We are in the process of acknowledging all our wonderful plant sponsorship donors on our website. This is a work in progress and will be updated regularly.

Conservation Actions

  • 09/01/2020
  • Orthodox Seed Banking

Based on an September 2020 extract of the California Plant Rescue Database, San Diego Zoo Global holds 3 accessions of Ericameria palmeri var. palmeri in orthodox seed collection. There are as many as 7692 seeds of this species in their collection - although some may have been used for curation testing or sent to back up.

  • 08/05/2020
  • Seed Collection

Based on an August 2020 extract of the California Plant Rescue Database, San Diego Zoo Global has collected 3 seed accessions of Ericameria palmeri var. palmeri from 3 plant occurrences listed in the California Natural Diversity Database. These collections together emcompass 55 maternal plants

Nature Serve Biotics
  • 05/02/2017

Ericameria palmeri var. palmeri is known from approximately six extant occurrences in San Diego County, California. It also occurs in Baja California. Threats include development.

Stephanie Steele
  • 04/15/2017

Development, road construction, road maintenance, vehicles (CNPS, 2010)

Stephanie Steele
  • 04/15/2017

There are 34 known occurrences of this species, including 32 extant occurrences and 2 possibly extirpated occurrences (CDFW California Natural Diversity Database, from CNPS 2010).


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Taxon Ericameria palmeri ssp. palmeri
Authority A. Gray
Family Asteraceae
CPC Number 1622
ITIS 527914
Common Names Palmer's Ericameria, Palmer's Rabbitbrush, Palmer's Goldenbrush
Associated Scientific Names Ericameria palmeri ssp. palmeri | Ericameria palmeri var. palmeri | Haplopappus palmeri | Ericameria palmeri
Distribution San Diego County Baja California
State Rank
State State Rank
California S1
Ecological Relationships


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