Taxon Details
Clarkia biloba ssp. australis
Mariposa clarkia
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Taxon Summary:
Clarkia biloba ssp. australis, commonly known as Mariposa clarkia, is a annual herb in the Onagraceae that is found only in California. It occurs within Chaparral, and Cismontane woodland, growing at elevations from 300 to 1460 meters. Clarkia biloba ssp. australis is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.|
Scientific Name: Clarkia biloba (Durand) Nels. & Macbr. ssp. australis Lewis & Lewis |
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Common Name: Mariposa clarkia |
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| Family: | Onagraceae | |
| Element Code: | PDONA05051 | |
| USDA Plants Symbol: | CLBIA | |
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Synonyms/Other Names: |
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| Name Status: |
JEF, FNA, POWO, IPNI, Tropicos |
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| CA Rare Plant Rank: | 1B.2 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G4G5T3 |
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State Rank: |
S3 |
| Other Status: | BLM_S; SB_CalBG/RSABG; SB_SBBG; USFS_S |
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CRPR Changes: |
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| Add Date: | 1980-01-01 |
| Date Edited: | 2024-11-05 |
| Lifeform: annual herb | ||||||||||||||
Blooming Period: Apr-Jul
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Elevation:
300 - 1460 meters 985 - 4790 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
Microhabitat:
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| Threat List Total: | 15 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 82 | 69 % |
| THREAT LIST: | ||
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| Non-native plant impacts | 43 | 36% |
| Road/trail construction/maint. | 31 | 26% |
| Erosion/runoff | 24 | 20% |
| Grazing | 19 | 15% |
| Altered flood/tidal/hydrologic regime | 18 | 15% |
| ORV activity | 8 | 6% |
| Recreational use (non-ORV) | 8 | 6% |
| Biocides | 7 | 5% |
| Other | 5 | 4% |
| Foot traffic/trampling | 4 | 3% |
| Mining | 4 | 3% |
| Improper burning regime | 2 | 1% |
| Disking | 1 | 0% |
| Vandalism/dumping/litter | 1 | 0% |
| Wood cutting or brush clearing | 1 | 0% |
| Total Occurrences: | 119 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 9 | 24 | 6 | 1 | 0 | 79 |
| Occurrence Status: | |||||
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| Historical >20 Years | 16 | ||||
| Recent <=20 Years | 103 | ||||
| Presence: | |||||
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| Presumed Extant | 119 | ||||
| Possibly Extirpated | 0 | ||||
| Presumed Extirpated | 0 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) Mariposa (MPA), Tuolumne (TUO) |
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Quads: Name (Quad Code) Ascension Mtn. (3711978), Bear Valley (3712051), Cherry Lake South (3711988), Chinese Camp (3712074), Coulterville (3712062), Crandall Peak (3812022), Duckwall Mtn. (3712081)?, Feliciana Mtn. (3711958), Groveland (3712072), Hornitos (3712052), Hull Creek (3812011), Jawbone Ridge (3712071), Kinsley (3711968), Mariposa (3711948), Merced Falls (3712053), Penon Blanco Peak (3712063), Sonora (3712084), Tuolumne (3712082), Twain Harte (3812012) |
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Notes:
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Presumed Extant
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