Taxon Report
Navarretia miwukensis D. Gowen & L. A. JohnsonMi-Wuk navarretia |
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Taxon Summary
Navarretia miwukensis, commonly known as Mi-Wuk navarretia, is a annual herb in the Polemoniaceae that is found only in California. It occurs within Lower montane coniferous forest, growing at elevations from 800 to 1500 meters. Navarretia miwukensis is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.Classification
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Scientific Name: |
Navarretia miwukensis D. Gowen & L. A. Johnson |
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Common Name: |
Mi-Wuk navarretia |
| Family: | Polemoniaceae |
| Element Code: | PDPLM0C210 |
| USDA Plants Symbol: | |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | annual herb |
| Blooming Period: May-Jun(Jul) | May-Jun(Jul) |
| Elevation: | 800-1500 (2625-4920) |
| General Habitats: | Lower montane coniferous forest |
| Microhabitat: | Openings |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.2 |
| Global Rank: | G1G2 |
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State Rank: |
S1S2 |
| State List: | None |
| Fed List: | None |
| Other Status: | BLM_S; SB_UCSC |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 12 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 0 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 1 |
| Unknown (U) | 11 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Calaveras (CAL), Tuolumne (TUO) | |
| Quads: Name (Quad Code) | |
| Ascension Mtn. (3711978), Columbia (3812014), Duckwall Mtn. (3712081), Murphys (3812024), Twain Harte (3812012) | |
Threat List Data from the CNDDB
| Threat List Total: | 3 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 3 | 25 % | |
| Development | 1 | 8% |
| Logging | 1 | 8% |
| ORV activity | 1 | 8% |
Notes
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Previously identified as N. divaricata. Similar to N. crystallina; distinguished in having less dense inflorescence trichomes, with more conspicuous viscid, short-stipitate glands, and in having acuminate bracts and calyx lobes with wide, convex bases, versus evenly tapered, long-acute lobes in N. crystallina. Threatened by urbanization, vehicles, illegal dumping, recreational activities, and non-native plants. Potentially threatened by development. See Phytotaxa 257(3):249-260 (2016) for original description. |
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Threats: |
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Taxonomy: |
Selected References
| CRPR List Addition on 2019-06-14 |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 20 November 2025].