Taxon Report
Lasthenia burkei (Greene) GreeneBurke's goldfields |
 © 2015 Neal Kramer |
Classification
|
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 |
|
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 January 2025].