Species Details

Lasthenia chrysantha

alkali-sink goldfields

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Photo of Lasthenia chrysantha
© 2009 California State University, Stanislaus
Photo of Lasthenia chrysantha
© 1995 Saint Mary's College of California
Photo of Lasthenia chrysantha
© 1995 Saint Mary's College of California
Scientific Name:
Lasthenia chrysantha (A. Gray) Greene
Common Name:
alkali-sink goldfields
Family: Asteraceae
Element Code: PDAST5L030
USDA Plants Symbol:
Synonyms/Other Names:
Lifeform: annual herb
Blooming Period: Feb-Apr
Elevation:
0 - 200 meters
0 - 655 feet
General Habitat:
  • Vernal pools
General Micro Habitat:
Micro Habitat:
  • Alkaline
Notes:

See Synoptical Flora of North America 1(2):445 (1884) for original description, and Manual of the Botany of the Region of San Francisco Bay, p. 204 (1894) by E.L. Greene for revised nomenclature.

Threats:

Threatened by habitat loss, agriculture, urbanization, and development.

Taxonomy:
Other:
Total Occurrences: 55
Element Occurrence Ranks:
A B C D X U
0 0 0 0 15 40
Occurrence Status:
Historical >20 Years 41
Recent <=20 Years 14
Presence:
Presumed Extant 40
Possibly Extirpated 15
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Fresno (FRE), Kern (KRN), Kings (KNG), Madera (MAD), Merced (MER), Sacramento (SAC), Solano (SOL), Stanislaus (STA), Tulare (TUL)
Quads: Name (Quad Code)
Allensworth (3511974), Alpaugh (3511984), Arena (3712036), Cairns Corner (3611922), Cerro Colorado (3612068), Chounet Ranch (3612066), Chowchilla (3712013), Conejo (3611956), Crows Landing (3712141), Delano West (3511973), Dozier (3812137), Dudley Ridge (3511987), El Nido (3712024), El Rico Ranch (3611916), Exeter (3611932), Florin (3812144), Goshen (3611934), Gravelly Ford (3612072), Guijarral Hills (3612022), Gustine (3712038), Hacienda Ranch NW (3511986), Hammonds Ranch (3612076), Helm (3612051), Jamesan (3612062), Kerman (3612061), Laguna Seca Ranch (3612077), Laton (3611946), Lone Tree Well (3511976), Lost Hills (3511956), Lost Hills NE (3511965), Lost Hills NW (3511966), Mercey Hot Springs (3612067), Monson (3611943), Ortigalita Peak (3612078), Pixley (3511983), Remnoy (3611935), Ripon (3712162), San Luis Ranch (3712027), Sausalito School (3511982), Semitropic (3511955), Stevinson (3712037), Stratford Se (3611917), Taylor Weir (3611914), Tranquillity (3612063), Traver (3611944), Tulare (3611923), Tupman (3511933), Westley (3712152)
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.

Map

Presumed Extant
Counties   Quads