Species Details

Lasthenia chrysantha

alkali-sink goldfields

Download Report Calflora eFlora CCH CalPhotos

Classification

Scientific Name: Lasthenia chrysantha (A. Gray) Greene
Common Name: alkali-sink goldfields
Family:	Asteraceae
Element Code:	PDAST5L030
USDA Plants Symbol:
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.1
Fed List:	None
State List:	None
Global Rank:	G2
State Rank:	S2
Other Status:
CRPR Changes: added to 1B.1 on 2019-09-30
Add Date:	2019-09-30
Date Edited:	2022-04-05

Ecology and Life History

Lifeform: annual herb

Blooming Period: Feb-Apr

Elevation:
0 - 200 meters
0 - 655 feet

General Habitats:

Vernal pools

Microhabitat Details:

Microhabitat:

Alkaline

Notes

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:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	4
	Total EOs	% of EOs
EOs with Threat Listed:	25	45 %
Agriculture	23	41%
Development	5	9%
Grazing	1	1%
Non-native plant impacts	1	1%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					55
A	B	C	D	X	U
0	0	0	0	15	40

Occurrence Status:
Historical >20 Years	44
Recent <=20 Years	11

Presence:
Presumed Extant	40
Possibly Extirpated	15
Presumed Extirpated	0

Location

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.

Regional Map

Map

Presumed Extant

Click on quad for name. Hold Shift Key to use mouse scroll wheel

Selected References

CNPS Status Review:

CRPR List Addition on 2019-09-30