Species Details

Hazardia detonsa

island hazardia

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Classification

Scientific Name: Hazardia detonsa (Greene) Greene
Common Name: island hazardia
Family:	Asteraceae
Element Code:	PDAST4H030
USDA Plants Symbol:	HADE4
Synonyms/Other Names: Haplopappus detonsus

Conservation Status

CA Rare Plant Rank:	4.3
Fed List:	None
State List:	None
Global Rank:	G4
State Rank:	S4
Other Status:	SB_CalBG/RSABG
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2022-08-02

Ecology and Life History

Lifeform: perennial evergreen shrub

Blooming Period: Mar-Nov

Elevation:
5 - 580 meters
15 - 1905 feet

General Habitats:

Closed-cone coniferous forest
Chaparral
Coastal scrub

Microhabitat Details:

Microhabitat:

Rocky
Volcanic

Notes

Notes: Increasing on SCZ Isl. after reduction of feral sheep population. Hybridizes with H. squarrosa var. grindelioides. See Madroño 26(3):105-127 (1979) for revised nomenclature.
Threats:
Taxonomy:

Threat List Data from the CNDDB

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

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					0
A	B	C	D	X	U
0	0	0	0	0	0

Occurrence Status:
Historical >20 Years	0
Recent <=20 Years	0

Presence:
Presumed Extant	0
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Santa Barbara (SBA), Ventura (VEN)

Quads: Name (Quad Code)
Anacapa Island (3311983), Santa Cruz Island A (3311987), Santa Cruz Island B (3311986), Santa Cruz Island C (3311985), Santa Cruz Island D (3311984), Santa Rosa Island East (3311988), Santa Rosa Island North (3312081), Santa Rosa Island South (3312071), Santa Rosa Island West (3312082)

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

CNPS Rare Plant Inventory