Species Details

Hulsea californica

San Diego sunflower

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Classification

Scientific Name: Hulsea californica T. & G.
Common Name: San Diego sunflower
Family:	Asteraceae
Element Code:	PDAST4Z030
USDA Plants Symbol:	HUCA
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.3
Fed List:	None
State List:	None
Global Rank:	G3
State Rank:	S3
Other Status:	BLM_S; SB_CalBG/RSABG; SB_CRES
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2022-12-06

Ecology and Life History

Lifeform: perennial herb

Blooming Period: Apr-Jun

Elevation:
915 - 2915 meters
3000 - 9565 feet

General Habitats:

Chaparral
Lower montane coniferous forest
Upper montane coniferous forest

Microhabitat Details:

Microhabitat:

Burned areas
Openings

Notes

Notes: Threatened by non-native plants. Possibly threatened by fire suppression, recreational activities, and vehicles. See Report of the Pacific Railroad Expedition 6:77 (1858) for original description, and Brittonia 27(3):228-244 (1975) for taxonomic treatment.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	6
	Total EOs	% of EOs
EOs with Threat Listed:	8	11 %
Development	2	2%
Non-native plant impacts	2	2%
Other	2	2%
Road/trail construction/maint.	2	2%
ORV activity	1	1%
Foot traffic/trampling	1	1%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					70
A	B	C	D	X	U
2	3	6	0	0	59

Occurrence Status:
Historical >20 Years	34
Recent <=20 Years	36

Presence:
Presumed Extant	70
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Riverside (RIV), San Diego (SDG)

Quads: Name (Quad Code)
Aguanga (3311647), Barrett Lake (3211666), Boucher Hill (3311638), Bucksnort Mtn. (3311645), Campo (3211654), Cuyamaca Peak (3211685), Descanso (3211675), Hot Springs Mtn. (3311635), Julian (3311615), Live Oak Springs (3211663), Monument Peak (3211684), Morena Reservoir (3211665), Mount Laguna (3211674), Palomar Observatory (3311637), Ranchita (3311625), Santa Ysabel (3311616), Sombrero Peak (3211673), Tecate (3211656), Vail Lake (3311648), Viejas Mountain (3211676), Warner Springs (3311636), Warners Ranch (3311626)

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