Taxon Report

Hazardia orcuttii (Gray) Greene

Orcutt's hazardia

Print Report

Taxon Summary

Hazardia orcuttii, commonly known as Orcutt's hazardia, is a perennial evergreen shrub in the Asteraceae that is found in California and elsewhere. It occurs within Chaparral (maritime), and Coastal scrub, growing at elevations from 80 to 85 meters. Hazardia orcuttii is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.

Classification


Scientific Name:	Hazardia orcuttii (Gray) Greene
Common Name:	Orcutt's hazardia
Family:	Asteraceae
Element Code:	PDAST4H070
USDA Plants Symbol:	HAOR3
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial evergreen shrub
Blooming Period: Aug-Oct	Aug-Oct
Elevation:	80-85 (260-280)
General Habitats:	Chaparral, Coastal scrub
Microhabitat:	Clay (often)
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.1
Global Rank:	G1
State Rank:	S1
State List:	CT
Fed List:	None
Other Status:	SB_CalBG/RSABG
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	5
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	0
Fair (C)	2
Poor (D)	0
None (X)	0
Unknown (U)	3

Location


California Endemic: False
California Counties and Islands: Name (Code)
San Diego (SDG)
Quads: Name (Quad Code)
Encinitas (3311713), Rancho Santa Fe (3311712), San Luis Rey (3311723)

Threat List Data from the CNDDB


Threat List Total:	8
EOs with Threat Listed:	Total EOs	% of EOs
	2	40 %
Foot traffic/trampling	2	40%
Improper burning regime	1	20%
Insufficient population/stand size	1	20%
Non-native plant impacts	1	20%
ORV activity	1	20%
Recreational use (non-ORV)	1	20%
Development	1	20%
Erosion/runoff	1	20%

Notes



Threatened by recreational activities, foot traffic, and urbanization. Potentially threatened by alteration of fire regimes. Experimental plantings ongoing as of 2003. See Madroño 26(3):105-127 (1979) for revised nomenclature and 28(1):38 (1981) for first CA record.
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 February 2025].