Taxon Report

Lasthenia californica D.C. ex Lindl. ssp. bakeri (J.T. Howell) R. Chan

Baker's goldfields

Print Report

Taxon Summary

Lasthenia californica ssp. bakeri, commonly known as Baker's goldfields, is a perennial herb in the Asteraceae that is found only in California. It occurs within Closed-cone coniferous forest (openings), Coastal scrub, Marshes and swamps, and Meadows and seeps, growing at elevations from 60 to 520 meters. Lasthenia californica ssp. bakeri is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Classification


Scientific Name:	Lasthenia californica D.C. ex Lindl. ssp. bakeri (J.T. Howell) R. Chan
Common Name:	Baker's goldfields
Family:	Asteraceae
Element Code:	PDAST5L0C4
USDA Plants Symbol:	LACAB
Synonyms/Other Names:	Lasthenia macrantha (A. Gray) Greene ssp. bakeri (J.T. Howell) Ornduff

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: Apr-Oct	Apr-Oct
Elevation:	60-520 (195-1705)
General Habitats:	Closed-cone coniferous forest, Coastal scrub, Marshes and swamps, Meadows and seeps
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.2
Global Rank:	G3T1
State Rank:	S1
State List:	None
Fed List:	None
Other Status:
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	19
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	0
Fair (C)	0
Poor (D)	0
None (X)	1
Unknown (U)	18

Location


California Endemic: True
California Counties and Islands: Name (Code)
Marin (MRN), Mendocino (MEN), San Luis Obispo (SLO), Sonoma (SON)*
Quads: Name (Quad Code)
Albion (3912327), Bodega Head (3812331), Drakes Bay (3812218), Fort Bragg (3912347), Gualala (3812375), Inglenook (3912357), Mallo Pass Creek (3912316), Mendocino (3912337), Piedras Blancas (3512163), Plantation (3812353), Point Arena (3812386), Saunders Reef (3812376), Sebastopol (3812247)*, Tomales (3812228), Valley Ford (3812238)

Threat List Data from the CNDDB


Threat List Total:	2
EOs with Threat Listed:	Total EOs	% of EOs
	1	5 %
Foot traffic/trampling	1	5%
Non-native plant impacts	1	5%

Notes



Plants from Pt. Reyes NS, MRN Co. (485B, 485C) may be this taxon; need verification. See Leaflets of Western Botany 1:7 (1932) for original description and Madrono 48(3): 208 (2001) for revised nomenclature.
Threats:

Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 10 May 2025].