CNPS

CNPS Rare Plant Inventory

Species Details

Hazardia cana

San Clemente Island hazardia

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Photo of Hazardia cana
© 2009 Zoya Akulova 		Photo of Hazardia cana
© 2005 Dieter Wilken 		Photo of Hazardia cana
© 2011 Michelle Cloud-Hughes

  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:

  Conservation Status

CA Rare Plant Rank: 1B.2
Fed List: None
State List: None
Global Rank: G3
State Rank:
 S3
Other Status:
CRPR Changes:
Add Date: 1974-01-01
Date Edited: 2022-01-05

  Ecology and Life History

Lifeform: perennial evergreen shrub
Blooming Period: Jun-Sep
JFMAMJJASOND
Elevation:
60 - 500 meters
195 - 1640 feet
General Habitats:
  • Coastal bluff scrub
  • Coastal scrub
  • Riparian forest
Microhabitat Details:
Microhabitat:

  Notes

Notes:
Known in CA from fewer than twenty occurrences. 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:

  Threat List Data from the CNDDB

Threat List Total: 0
Total EOs % of EOs
EOs with Threat Listed: 0 %
THREAT LIST:
No threats

  Occurrence Data from the CNDDB

Total Occurrences: 30
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 30
Occurrence Status:
Historical >20 Years 9
Recent <=20 Years 21
Presence:
Presumed Extant 30
Possibly Extirpated 0
Presumed Extirpated 0

  Location

California Endemic:
California Island:
States: Name (Code)
California (CA), Isla Guadalupe, Baja (GU)
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)
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 13 November 2024].