Taxon Report
Phacelia saxicola A. Graystonecrop phacelia |
 © 2019 Aaron Schusteff |
Taxon Summary
Phacelia saxicola, commonly known as stonecrop phacelia, is a annual herb in the Hydrophyllaceae that is found in California and elsewhere. It occurs within Great Basin scrub, growing at elevations from 1270 to 1890 meters. Phacelia saxicola is ranked 2B.3, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Not very threatened in California.Classification
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Scientific Name: |
Phacelia saxicola A. Gray |
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Common Name: |
stonecrop phacelia |
| Family: | Hydrophyllaceae |
| Element Code: | PDHYD0C480 |
| USDA Plants Symbol: | PHSA |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | annual herb |
| Blooming Period: Apr-Jun(Jul) | Apr-Jun(Jul) |
| Elevation: | 1270-1890 (4165-6200) |
| General Habitats: | Great Basin scrub |
| Microhabitat: | Gravelly, Rocky, Volcanic |
| Microhabitat Details: | Occurs on limestone in other states; expected on limestone in California. |
Conservation Status
| CA Rare Plant Rank: | 2B.3 |
| Global Rank: | G3? |
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State Rank: |
S2 |
| State List: | None |
| Fed List: | None |
| Other Status: | |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 22 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 0 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 22 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| Inyo (INY), Mono (MNO) | |
| Quads: Name (Quad Code) | |
| Casa Diablo Mtn. (3711855), Chidago Canyon (3711854), Fish Slough (3711844), Rovana (3711845), Toms Place (3711856) | |
Threat List Data from the CNDDB
| Threat List Total: | 1 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 1 | 5 % | |
| Other | 1 | 4% |
Selected References
| Proposed addition to CRPR 2B.3, G3/ S2 (2024) |
| Proceedings of the American Academy of Arts and Sciences Vol. (20): 304. (1885) |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 15 November 2025].