Taxon Details
Clarkia gracilis ssp. albicaulis
white-stemmed clarkia
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Taxon Summary:
Clarkia gracilis ssp. albicaulis, commonly known as white-stemmed 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 245 to 1085 meters. Clarkia gracilis ssp. albicaulis is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.|
Scientific Name: Clarkia gracilis (Piper) Nels. & Macbr. ssp. albicaulis (Jeps.) Lewis & Lewis |
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Common Name: white-stemmed clarkia |
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| Family: | Onagraceae | |
| Element Code: | PDONA050J1 | |
| USDA Plants Symbol: | CLGRA | |
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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: | G5T3 |
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State Rank: |
S3 |
| Other Status: | BLM_S; SB_UCBG; USFS_S |
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CRPR Changes: |
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| Add Date: | 1994-01-01 |
| Date Edited: | 2024-07-02 |
| Lifeform: annual herb | ||||||||||||||
Blooming Period: (Apr)May-Jul
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Elevation:
245 - 1085 meters 805 - 3560 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
Microhabitat:
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| Threat List Total: | 8 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 16 | 50 % |
| THREAT LIST: | ||
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| Road/trail construction/maint. | 13 | 40% |
| Non-native plant impacts | 4 | 12% |
| Erosion/runoff | 2 | 6% |
| Logging | 1 | 3% |
| Mining | 1 | 3% |
| Recreational use (non-ORV) | 1 | 3% |
| Vandalism/dumping/litter | 1 | 3% |
| Biocides | 1 | 3% |
| Total Occurrences: | 32 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 4 | 10 | 2 | 0 | 0 | 16 |
| Occurrence Status: | |||||
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| Historical >20 Years | 25 | ||||
| Recent <=20 Years | 7 | ||||
| Presence: | |||||
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| Presumed Extant | 32 | ||||
| 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) Butte (BUT), Tehama (TEH) |
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Quads: Name (Quad Code) Acorn Hollow (4012118), Barkley Mtn. (4012126), Berry Creek (3912164), Cherokee (3912165), Cohasset (3912186), Devils Parade Ground (4012116), Forbestown (3912153), Paradise East (3912175), Paradise West (3912176), Pulga (3912174), Richardson Springs (3912177) |
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Notes:
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Presumed Extant
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