Taxon Report
Phacelia nashiana Jeps.Charlotte's phacelia |
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Taxon Summary
Phacelia nashiana, commonly known as Charlotte's phacelia, is a annual herb in the Hydrophyllaceae that is found only in California. It occurs within Joshua tree "woodland", Mojavean desert scrub, and Pinyon and juniper woodland, growing at elevations from 600 to 2200 meters. Phacelia nashiana is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.Classification
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Scientific Name: |
Phacelia nashiana Jeps. |
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Common Name: |
Charlotte's phacelia |
| Family: | Hydrophyllaceae |
| Element Code: | PDHYD0C350 |
| USDA Plants Symbol: | PHNA |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | annual herb |
| Blooming Period: Mar-Jun | Mar-Jun |
| Elevation: | 600-2200 (1970-7220) |
| General Habitats: | Joshua tree "woodland", Mojavean desert scrub, Pinyon and juniper woodland |
| Microhabitat: | Granitic (usually), Sandy |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.2 |
| Global Rank: | G3 |
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State Rank: |
S3 |
| State List: | None |
| Fed List: | None |
| Other Status: | BLM_S; SB_CalBG/RSABG; SB_USDA |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 72 |
| Element Occurrence Ranks: | |
| Excellent (A) | 26 |
| Good (B) | 19 |
| Fair (C) | 12 |
| Poor (D) | 1 |
| None (X) | 0 |
| Unknown (U) | 14 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Inyo (INY), Kern (KRN), Tulare (TUL) | |
| Quads: Name (Quad Code) | |
| Cane Canyon (3511852), Cantil (3511738), Cinco (3511831), Freeman Junction (3511758), Garlock (3511747), Haiwee Pass (3611821), Horse Canyon (3511851), Lamont Peak (3511871), Little Lake (3511788), Long Canyon (3611811), Mojave NE (3511821), Ninemile Canyon (3511778), Owens Peak (3511768), Saltdale NW (3511748), Saltdale SE (3511737), Volcano Peak (3511787), Walker Pass (3511861) | |
Threat List Data from the CNDDB
| Threat List Total: | 13 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 46 | 64 % | |
| Grazing | 20 | 27% |
| ORV activity | 18 | 25% |
| Road/trail construction/maint. | 6 | 8% |
| Foot traffic/trampling | 5 | 6% |
| Non-native plant impacts | 5 | 6% |
| Other | 4 | 5% |
| Mining | 4 | 5% |
| Recreational use (non-ORV) | 4 | 5% |
| Development | 2 | 2% |
| Over-collecting/poaching | 2 | 2% |
| Erosion/runoff | 1 | 1% |
| Non-native animal impacts | 1 | 1% |
| Vandalism/dumping/litter | 1 | 1% |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 12 February 2025].