Species Details

Hesperevax caulescens

hogwallow starfish

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Classification

Scientific Name: Hesperevax caulescens (Benth.) Gray
Common Name: hogwallow starfish
Family:	Asteraceae
Element Code:	PDASTE5020
USDA Plants Symbol:	HECA30
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	4.2
Fed List:	None
State List:	None
Global Rank:	G3
State Rank:	S3
Other Status:
CRPR Changes:
Add Date:	2001-01-01
Date Edited:	2022-01-05

Ecology and Life History

Lifeform: annual herb

Blooming Period: Mar-Jun

Elevation:
0 - 505 meters
0 - 1655 feet

General Habitats:

Valley and foothill grassland (mesic clay)
Vernal pools (shallow)

Microhabitat Details:

Microhabitat:

Alkaline (sometimes)

Notes

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:

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)
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), Elk Grove (3812143), 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), Los Molinos (4012211), 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), Tuscan Springs (4012221), 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.

Regional Map

Map

Presumed Extant

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CNPS Rare Plant Inventory