Species Details

Hesperevax caulescens

hogwallow starfish

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Photo of Hesperevax caulescens
© 2017 John Doyen
Photo of Hesperevax caulescens
© 2017 John Doyen
Photo of Hesperevax caulescens
© 2017 John Doyen
Scientific Name:
Hesperevax caulescens (Benth.) Gray
Common Name:
hogwallow starfish
Family: Asteraceae
Element Code: PDASTE5020
USDA Plants Symbol: HECA30
Synonyms/Other Names:
Lifeform: annual herb
Blooming Period: Mar-Jun
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Elevation:
0 - 505 meters
0 - 1655 feet
General Habitats:
  • Valley and foothill grassland (mesic clay)
  • Vernal pools (shallow)
Microhabitat Details:
Microhabitat:
  • Alkaline (sometimes)
Notes:
Threatened by development and agriculture. Possibly threatened by overgrazing. See Proceedings of the American Academy of Arts and Sciences 7:356 (1868) for revised nomenclature, and Systematic Botany 17(2):293-310 (1992) for taxonomic treatment.
Threats:
Taxonomy:
Total Occurrences: 0
Element Occurrence Ranks:
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
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Alameda (ALA), Butte (BUT), Colusa (COL), Contra Costa (CCA), Fresno (FRE), Glenn (GLE), Kern (KRN), Mariposa (MPA), Merced (MER), Monterey (MNT), Sacramento (SAC), San Diego (SDG)*, San Joaquin (SJQ), San Luis Obispo (SLO), Solano (SOL), Sonoma (SON), Stanislaus (STA), Sutter (SUT), Tehama (TEH), Tuolumne (TUO), Yolo (YOL), Yuba (YUB)
Quads: Name (Quad Code)
Adelaida (3512067), Allendale (3812148), Altamont (3712166), Antioch North (3812117), Antioch South (3712187), Biggs (3912146), Birds Landing (3812127), Bradley (3512077), Brentwood (3712186), Briones Valley (3712282), Buffalo Creek (3812152), Byron Hot Springs (3712176), Catheys Valley (3712041), Cherokee (3912165), Cholame (3512063), Cholame Valley (3512073), Chrome (3912265), Clifton Court Forebay (3712175), Cooperstown (3712065), Denverton (3812128), Dixon (3812147), Dozier (3812137), Elmira (3812138), Fairfield North (3812231), Fairfield South (3812221), Florin (3812144), Fruto (3912254), Hamlin Canyon (3912166), Haystack Mtn. (3712043), Healdsburg (3812257), Honcut (3912135), Howard Ranch (3712121), Jamul Mountains (3211668), Knights Ferry (3712076), Knob Hill (3511858), La Grange (3712064), Laguna Seca Ranch (3612077), Llano Seco (3912158), Lodoga (3912234), Logan Ridge (3912243), Loma Rica (3912134), Merced (3712034), Midway (3712165), National City (3211761), Newville (3912275), Nord (3912178), Otay Mesa (3211658), Owens Reservoir (3712032), Patterson (3712142), Paulsell (3712066), Pennington (3912137), Peters (3712181), Piedra (3611974), Pine Mountain (3511857), Planada (3712033), Rail Canyon (3912244), Richardson Springs (3912177), Richardson Springs NW (3912188), San Miguel (3512076), Saxon (3812146), Shippee (3912156), Solyo (3712153), Stockton East (3712182), Sutter (3912126), Sutter Buttes (3912127), The Dark Hole (3512083), Vina (3912281), Winters (3812158)
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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