Taxon Report

Hazardia cana (Gray) Greene

San Clemente Island hazardia

Print Report


© 2009 Zoya Akulova

Taxon Summary

Hazardia cana, commonly known as San Clemente Island hazardia, is a perennial evergreen shrub in the Asteraceae that is found in California and elsewhere. It occurs within Coastal bluff scrub, Coastal scrub, and Riparian forest, growing at elevations from 60 to 500 meters. Hazardia cana is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

  Classification
Scientific Name:
 Hazardia cana (Gray) Greene
Common Name:
 San Clemente Island hazardia
Family: Asteraceae
Element Code: PDAST4H020
USDA Plants Symbol: HACA6
Synonyms/Other Names:
  • Haplopappus canus

Ecology and Life History
Lifeform: perennial evergreen shrub
Blooming Period: Jun-Sep Jun-Sep
Elevation: 60-500 (195-1640)
General Habitats: Coastal bluff scrub, Coastal scrub, Riparian forest
Microhabitat:
Microhabitat Details:

Conservation Status
CA Rare Plant Rank: 1B.2
Global Rank: G3
State Rank:
 S3
State List: None
Fed List: None
Other Status:
CRPR Changes:

Occurrence Data from the CNDDB
Total Occurrences: 30
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 0
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 30

Location
California Endemic:  False
California Counties and Islands: Name (Code)
Los Angeles (LAX)
Quads: Name (Quad Code)
San Clemente Island Central (3211874), San Clemente Island North (3211885), San Clemente Island South (3211873)

Threat List Data from the CNDDB

Threat List Total: 0
EOs with Threat Listed: Total EOs % of EOs
0 %

 

Notes
Feral herbivores removed from SCM Isl., and vegetation recovering. See Proceedings of the American Academy of Arts and Sciences 11:75 (1876) for original description, Aliso 5(3):343 (1963) for species account, and Madroño 26(3):105-127 (1979) for taxonomic treatment.
Threats:
Taxonomy:

Selected References

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].