Taxon Report
Penstemon thurberi Torr.Thurber's beardtongue |
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Taxon Summary
Penstemon thurberi, commonly known as Thurber's beardtongue, is a perennial herb in the Plantaginaceae that is found in California and elsewhere. It occurs within Chaparral, Joshua tree "woodland", Pinyon and juniper woodland, and Sonoran desert scrub, growing at elevations from 500 to 1220 meters. Penstemon thurberi is ranked 4.2, Plants of Limited Distribution, A Watch List; Moderately threatened in California.Classification
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Scientific Name: |
Penstemon thurberi Torr. |
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Common Name: |
Thurber's beardtongue |
| Family: | Plantaginaceae |
| Element Code: | PDSCR1L680 |
| USDA Plants Symbol: | PETH3 |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: May-Jul | May-Jul |
| Elevation: | 500-1220 (1640-4005) |
| General Habitats: | Chaparral, Joshua tree "woodland", Pinyon and juniper woodland, Sonoran desert scrub |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 4.2 |
| Global Rank: | G5 |
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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: False | |
| California Counties and Islands: Name (Code) | |
| Riverside (RIV), San Bernardino (SBD), San Diego (SDG) | |
| Quads: Name (Quad Code) | |
| Earthquake Valley (3311614), Indian Cove (3411612), Kelso Dunes (3411586), Pinto Valley (3511523) | |
Threat List Data from the CNDDB
| Threat List Total: | 0 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 0 | 0 % | |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 18 November 2025].