Taxon Report
Lasthenia burkei (Greene) GreeneBurke's goldfields |
 © 2015 Neal Kramer |
Taxon Summary
Lasthenia burkei, commonly known as Burke's goldfields, is a annual herb in the Asteraceae that is found only in California. It occurs within Meadows and seeps (mesic), and Vernal pools, growing at elevations from 15 to 600 meters. Lasthenia burkei is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.Classification
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Scientific Name: |
Lasthenia burkei (Greene) Greene |
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Common Name: |
Burke's goldfields |
| Family: | Asteraceae |
| Element Code: | PDAST5L010 |
| USDA Plants Symbol: | LABU |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | annual herb |
| Blooming Period: Apr-Jun | Apr-Jun |
| Elevation: | 15-600 (50-1970) |
| General Habitats: | Meadows and seeps, Vernal pools |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.1 |
| Global Rank: | G1 |
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State Rank: |
S1 |
| State List: | CE |
| Fed List: | FE |
| Other Status: | SB_CalBG/RSABG; SB_UCBG |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 36 |
| Element Occurrence Ranks: | |
| Excellent (A) | 3 |
| Good (B) | 14 |
| Fair (C) | 8 |
| Poor (D) | 3 |
| None (X) | 4 |
| Unknown (U) | 4 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Lake (LAK), Mendocino (MEN), Napa (NAP), Sonoma (SON) | |
| Quads: Name (Quad Code) | |
| Calistoga (3812255), Clearlake Highlands (3812286), Cotati (3812236), Healdsburg (3812257), Jimtown (3812267), Kelseyville (3812287), Lower Lake (3812285), Middletown (3812275), Santa Rosa (3812246), Sebastopol (3812247), Ukiah (3912322) | |
Threat List Data from the CNDDB
| Threat List Total: | 17 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 30 | 83 % | |
| Development | 21 | 58% |
| Agriculture | 19 | 52% |
| Grazing | 16 | 44% |
| Non-native plant impacts | 10 | 27% |
| Disking | 6 | 16% |
| ORV activity | 5 | 13% |
| Foot traffic/trampling | 5 | 13% |
| Road/trail construction/maint. | 4 | 11% |
| Other | 4 | 11% |
| Surface water diversion | 2 | 5% |
| Vandalism/dumping/litter | 1 | 2% |
| Improper burning regime | 1 | 2% |
| Pollution | 1 | 2% |
| Recreational use (non-ORV) | 1 | 2% |
| Erosion/runoff | 1 | 2% |
| Altered flood/tidal/hydrologic regime | 1 | 2% |
| Degraded water quality | 1 | 2% |
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. |
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Threats: |
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Taxonomy: |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 7 November 2025].