Species Details
Taraxacum californicum
California dandelion
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Scientific Name: Taraxacum californicum Munz & Jtn. |
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Common Name: California dandelion |
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| Family: | Asteraceae | |
| Element Code: | PDAST93050 | |
| USDA Plants Symbol: | TACA5 | |
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Synonyms/Other Names: |
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| CA Rare Plant Rank: | 1B.1 |
| Fed List: | FE (1998-09-14) |
| State List: | None |
| Global Rank: | G1 |
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State Rank: |
S1 |
| Other Status: | SB_CalBG/RSABG |
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CRPR Changes: changed from 1B.2 to 1B.1 on 2007-02-16 |
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| Add Date: | 1974-01-01 |
| Date Edited: | 2024-03-06 |
| Lifeform: perennial herb | ||||||||||||||
Blooming Period: May-Aug
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Elevation:
1620 - 2800 meters 5315 - 9185 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
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Microhabitat:
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Notes: 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. See Bulletin of the Torrey Botanical Club 52:227-228 (1925) for original description, and Madroño 45(4):283-289 (1998) for information on genotypic diversity. |
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Threats: |
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Taxonomy: |
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| Threat List Total: | 15 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 37 | 82 % |
| THREAT LIST: | ||
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| 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% |
| Total Occurrences: | 45 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 0 | 12 | 13 | 1 | 5 | 14 |
| Occurrence Status: | |||||
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| Historical >20 Years | 26 | ||||
| Recent <=20 Years | 19 | ||||
| Presence: | |||||
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| Presumed Extant | 40 | ||||
| Possibly Extirpated | 1 | ||||
| Presumed Extirpated | 4 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) San Bernardino (SBD) |
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Quads: Name (Quad Code) Big Bear City (3411637), Big Bear Lake (3411628), Fawnskin (3411638), Moonridge (3411627), Onyx Peak (3411626), San Gorgonio Mtn. (3411617) |
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Notes:
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Presumed Extant
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