Species Details

Hulsea californica

San Diego sunflower

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Photo of Hulsea californica
© 2015 Keir Morse
Photo of Hulsea californica
© 2015 Keir Morse
Photo of Hulsea californica
© 2015 Keir Morse
Scientific Name:
Hulsea californica T. & G.
Common Name:
San Diego sunflower
Family: Asteraceae
Element Code: PDAST4Z030
USDA Plants Symbol: HUCA
Synonyms/Other Names:
Lifeform: perennial herb
Blooming Period: Apr-Jun
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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:
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 Total: 6
Total EOs % of EOs
EOs with Threat Listed: 8 11 %
THREAT LIST:
Development 2 2%
Non-native plant impacts 2 2%
Other 2 2%
Road/trail construction/maint. 2 2%
ORV activity 1 1%
Total Occurrences: 70
Element Occurrence Ranks:
A B C D X U
2 3 6 0 0 59
Occurrence Status:
Historical >20 Years 32
Recent <=20 Years 38
Presence:
Presumed Extant 70
Possibly Extirpated 0
Presumed Extirpated 0
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.
Presumed Extant
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