Taxon Report
Penstemon newberryi Gray var. sonomensis (Greene) Jeps.Sonoma beardtongue |
 Jason Matthias Mills 2020 |
Taxon Summary
Penstemon newberryi var. sonomensis, commonly known as Sonoma beardtongue, is a perennial herb in the Plantaginaceae that is found only in California. It occurs within Chaparral, growing at elevations from 700 to 1370 meters. Penstemon newberryi var. sonomensis is ranked 1B.3, Plants Rare, Threatened or Endangered in California and Elsewhere; Not very threatened in California.Classification
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Scientific Name: |
Penstemon newberryi Gray var. sonomensis (Greene) Jeps. |
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Common Name: |
Sonoma beardtongue |
| Family: | Plantaginaceae |
| Element Code: | PDSCR1L483 |
| USDA Plants Symbol: | |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: Apr-Aug | Apr-Aug |
| Elevation: | 700-1370 (2295-4495) |
| General Habitats: | Chaparral |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.3 |
| Global Rank: | G4T3 |
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State Rank: |
S3 |
| State List: | None |
| Fed List: | None |
| Other Status: | BLM_S |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 15 |
| Element Occurrence Ranks: | |
| Excellent (A) | 3 |
| Good (B) | 2 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 10 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Lake (LAK), Napa (NAP), Sonoma (SON) | |
| Quads: Name (Quad Code) | |
| Aetna Springs (3812264), Calistoga (3812255), Detert Reservoir (3812265), Kelseyville (3812287), Kenwood (3812245), Mount St. Helena (3812266), St. Helena (3812254), Whispering Pines (3812276), Yountville (3812243) | |
Threat List Data from the CNDDB
| Threat List Total: | 3 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 3 | 20 % | |
| Foot traffic/trampling | 1 | 6% |
| Recreational use (non-ORV) | 1 | 6% |
| Road/trail construction/maint. | 1 | 6% |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 13 November 2025].