Taxon Details
Clarkia rostrata
beaked clarkia
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Taxon Summary:
Clarkia rostrata, commonly known as beaked clarkia, is a annual herb in the Onagraceae that is found only in California. It occurs within Cismontane woodland, and Valley and foothill grassland, growing at elevations from 60 to 500 meters. Clarkia rostrata is ranked 1B.3, Plants Rare, Threatened or Endangered in California and Elsewhere; Not very threatened in California.|
Scientific Name: Clarkia rostrata W.S. Davis |
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Common Name: beaked clarkia |
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| Family: | Onagraceae | |
| Element Code: | PDONA050Y0 | |
| USDA Plants Symbol: | CLRO2 | |
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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.3 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G2G3 |
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State Rank: |
S2S3 |
| Other Status: | BLM_S; SB_CalBG/RSABG; SB_UCBG |
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CRPR Changes: |
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| Add Date: | 1974-01-01 |
| Date Edited: | 2021-05-26 |
| Lifeform: annual herb | ||||||||||||||
Blooming Period: Apr-May
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Elevation:
60 - 500 meters 195 - 1640 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
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Microhabitat:
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| Threat List Total: | 12 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 50 | 68 % |
| THREAT LIST: | ||
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| Non-native plant impacts | 34 | 45% |
| Grazing | 31 | 41% |
| Altered flood/tidal/hydrologic regime | 20 | 27% |
| Erosion/runoff | 14 | 18% |
| Road/trail construction/maint. | 12 | 16% |
| Mining | 5 | 6% |
| Foot traffic/trampling | 4 | 5% |
| Biocides | 4 | 5% |
| Recreational use (non-ORV) | 4 | 5% |
| Development | 3 | 4% |
| Other | 2 | 2% |
| Dam/Inundation | 1 | 1% |
| Total Occurrences: | 74 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 1 | 10 | 2 | 0 | 0 | 61 |
| Occurrence Status: | |||||
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| Historical >20 Years | 28 | ||||
| Recent <=20 Years | 46 | ||||
| Presence: | |||||
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| Presumed Extant | 74 | ||||
| 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) Calaveras (CAL), Madera (MAD), Mariposa (MPA), Merced (MER), Stanislaus (STA), Tuolumne (TUO) |
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Quads: Name (Quad Code) Bear Valley (3712051), Ben Hur (3711938), Cooperstown (3712065), Coulterville (3712062), Haystack Mtn. (3712043), Hornitos (3712052), Indian Gulch (3712042), Knights Ferry (3712076), Mariposa (3711948), Merced Falls (3712053), New Melones Dam (3712085), Owens Reservoir (3712032), Penon Blanco Peak (3712063), Raymond (3711928), Snelling (3712054), Stumpfield Mtn. (3711947), Waterford (3712067), Yosemite Lake (3712044) |
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Notes:
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Presumed Extant
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