Taxon Report
Clarkia gracilis (Piper) Nels. & Macbr. ssp. tracyi (Jeps.) Abdel-Hameed & R. SnowTracy's clarkia |
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Taxon Summary
Clarkia gracilis ssp. tracyi, commonly known as Tracy's clarkia, is a annual herb in the Onagraceae that is found only in California. It occurs within Chaparral (openings, and serpentinite), growing at elevations from 65 to 650 meters. Clarkia gracilis ssp. tracyi is ranked 4.2, Plants of Limited Distribution, A Watch List; Moderately threatened in California.Classification
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Scientific Name: |
Clarkia gracilis (Piper) Nels. & Macbr. ssp. tracyi (Jeps.) Abdel-Hameed & R. Snow |
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Common Name: |
Tracy's clarkia |
| Family: | Onagraceae |
| Element Code: | PDONA050J4 |
| USDA Plants Symbol: | CLGRT |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | annual herb |
| Blooming Period: Apr-Jul | Apr-Jul |
| Elevation: | 65-650 (215-2135) |
| General Habitats: | Chaparral |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 4.2 |
| Global Rank: | G5T3 |
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State Rank: |
S3 |
| State List: | None |
| Fed List: | None |
| Other Status: | SB_CalBG/RSABG |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 0 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 0 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 0 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Colusa (COL), Lake (LAK), Napa (NAP), Tehama (TEH) | |
| Quads: Name (Quad Code) | |
| Aetna Springs (3812264), Benmore Canyon (3912215), Capell Valley (3812242), Chiles Valley (3812253), Elk Mountain (3912238), Gilmore Peak (3912235), Highland Springs (3812288), Hough Springs (3912225), Jericho Valley (3812274), Kelseyville (3812287), Knoxville (3812273), Lake Berryessa (3812252), Lakeport (3912218), Leesville (3912224), Napa (3812233), Paskenta (3912285), Potato Hill (3912237), Salt Canyon (3912213), St. Helena (3812254), The Geysers (3812277), Wilbur Springs (3912214), Yountville (3812243) | |
Threat List Data from the CNDDB
| Threat List Total: | 0 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 0 | 0 % | |
Selected References
| USFS Potential Species of Conservation Concern Profile |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 27 January 2025].