Taxon Report
Taraxacum californicum Munz & Jtn.California dandelion |
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Classification
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Scientific Name: |
Taraxacum californicum Munz & Jtn. |
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Common Name: |
California dandelion |
| Family: | Asteraceae |
| Element Code: | PDAST93050 |
| USDA Plants Symbol: | TACA5 |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: May-Aug | May-Aug |
| Elevation: | 1620-2800 (5315-9185) |
| General Habitats: | Meadows and seeps |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.1 |
| Global Rank: | G1 |
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State Rank: |
S1 |
| State List: | None |
| Fed List: | FE |
| Other Status: | SB_CalBG/RSABG |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 45 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 12 |
| Fair (C) | 13 |
| Poor (D) | 1 |
| None (X) | 5 |
| Unknown (U) | 14 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| San Bernardino (SBD) | |
| Quads: Name (Quad Code) | |
| Big Bear City (3411637), Big Bear Lake (3411628), Fawnskin (3411638), Moonridge (3411627), Onyx Peak (3411626), San Gorgonio Mtn. (3411617) | |
Threat List Data from the CNDDB
| Threat List Total: | 15 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 37 | 82 % | |
| Hybridization | 32 | 71% |
| Non-native plant impacts | 32 | 71% |
| Recreational use (non-ORV) | 24 | 53% |
| Altered flood/tidal/hydrologic regime | 23 | 51% |
| Insufficient population/stand size | 17 | 37% |
| Foot traffic/trampling | 13 | 28% |
| Road/trail construction/maint. | 13 | 28% |
| ORV activity | 11 | 24% |
| Other | 10 | 22% |
| Development | 10 | 22% |
| Wood cutting or brush clearing | 10 | 22% |
| Non-native animal impacts | 7 | 15% |
| Vandalism/dumping/litter | 6 | 13% |
| Grazing | 6 | 13% |
| Mining | 1 | 2% |
Notes
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Known only from San Bernardino Mtns. Seriously threatened by development, grazing and trampling, hydrological alterations, mining, vehicles, recreation, and hybridization with non-native T. officinale |
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Threats: |
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Taxonomy: |
Citation
California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 25 December 2024].