Taxon Report

Aldama purisimae (Brandegee) E.E. Schill. & Panero

La Purisima aldama

Print Report


© 2018 Ron Vanderhoff

Taxon Summary

Aldama purisimae, commonly known as La Purisima aldama, is a shrub in the Asteraceae that is found in California and elsewhere. It occurs within Chaparral, and Coastal bluff scrub, growing at elevations from 365 to 425 meters. Aldama purisimae is ranked 2B.3, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Not very threatened in California.

  Classification
Scientific Name:
 Aldama purisimae (Brandegee) E.E. Schill. & Panero
Common Name:
 La Purisima aldama
Family: Asteraceae
Element Code: PDAST9T0S0
USDA Plants Symbol:
Synonyms/Other Names:
  • Viguiera purisimae Brandegee

Ecology and Life History
Lifeform: shrub
Blooming Period: Apr-Sep Apr-Sep
Elevation: 365-425 (1200-1395)
General Habitats: Chaparral, Coastal bluff scrub
Microhabitat:
Microhabitat Details:

Conservation Status
CA Rare Plant Rank: 2B.3
Global Rank: G4
State Rank:
 S1
State List: None
Fed List: None
Other Status:
CRPR Changes:
  • changed from 2.3 to 2B.3 on 2013-06-12
  • added to 2.3 on 2007-09-05

Occurrence Data from the CNDDB
Total Occurrences: 1
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 0
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 1

Location
California Endemic:  False
California Counties and Islands: Name (Code)
San Diego (SDG)
Quads: Name (Quad Code)
Margarita Peak (3311744), Sitton Peak (3311754)

Threat List Data from the CNDDB

Threat List Total: 1
EOs with Threat Listed: Total EOs % of EOs
1 100 %
Improper burning regime 1 100%

Notes
Known in CA from a single disjunct population on Camp Pendleton. Not in The Jepson Manual (1993).
Threats:
Possibly threatened by military activities. Potentially threatened by habitat conversion.
Taxonomy:

Selected References

Proposed Addition to CRPR 2.3 , G4? S1.3 (2007)
Proceedings of the California Academy of Sciences, Series 2, 2: 173. (1889)
Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 1 November 2025].