CNPS Inventory Plant Detail

Lasthenia burkei

Common Name:	Burke's goldfields
Family:	Asteraceae
Synonyms:
Element Code:	PDAST5L010
Full Name:	Lasthenia burkei (Greene) Greene
USDA PLANTS Symbol:	LABU

Biology
Lifeform: annual herb Blooming Period: April - June Habitat: • Meadows and seeps (mesic) • Vernal pools

Rarity Status
CA Rare Plant Rank: 1B.1 Rare, threatened, or endangered in California and elsewhere .1: Seriously endangered in California Federal Listing Status: FE Endangered (12/02/91) State Listing Status: CE Endangered (09/79) State Rank: S1 S1: Critically Imperiled. Global Rank: G1 G1: Critically Imperiled.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 31
Element Occurrence Ranks:

A B C D X U

3 7 7 4 4 6

Population Status:

Historic >20 yrs	Recent <=20 yrs
14	17

Presence:

Present Extant	Possibly Extirpated	Extirpated
27	1	3

Notes

Threatened by agriculture, urbanization, development, grazing, road widening, road maintenance, and non-native plants. See Bulletin of the California Academy of Sciences 2(6):151 (1887) for original description, and American Journal of Botany 56(9):1042-1047 (1969) for information on origin and relationships.
To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page.
Date Added: 1974-01-01
Last Update: 2012-06-15

Location

Elevation: 15 - 600 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
Lake (LAK), Mendocino (MEN), Napa (NAP), Sonoma (SON)

Quads: name (DWR code) USGS code
Santa Rosa (501B) 38122D6, Cotati (501C) 38122C6, Sebastopol (502A) 38122D7, Calistoga (517D) 38122E5, Jimtown (518A) 38122F7, Healdsburg (518D) 38122E7, Lower Lake (533A) 38122H5, Clearlake Highlands (533B) 38122H6, Middletown (533D) 38122G5, Kelseyville (534A) 38122H7, The Geysers (534D) 38122G7, Ukiah (550B) 39123B2

Notes:

Definitions of codes preceding a county and/or quad:
*		Presumed extirpated
?		Uncertain about distribution or identity
?*		Uncertain about distribution, but presumed extirpated if once present
(?)		Occurrence confirmed, but possibly extirpated

Species may be present in other areas where conditions are favorable.

Presumed Extant

Presumed Extirpated or Unknown

950

Links to Leading Resources of Taxon Information
USDA PLANTS Calflora CalPhotos Consortium of California Herbaria California Department of Fish and Game: CNDDB Quick Viewer

Suggested Citation
California Native Plant Society (CNPS). Inventory of Rare and Endangered Plants (online edition, v8-01a). California Native Plant Society. Sacramento, CA. Accessed on .

-122.75,38.625