Taxon Report
Erythranthe exigua (A. Gray) G.L. Nesom & N.S. FragaSan Bernardino Mountains monkeyflower |
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Taxon Summary
Erythranthe exigua, commonly known as San Bernardino Mountains monkeyflower, is a annual herb in the Phrymaceae that is found in California and elsewhere. It occurs within Meadows and seeps, Pebble (Pavement) plain, and Upper montane coniferous forest, growing at elevations from 1800 to 2315 meters. Erythranthe exigua is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.Classification
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Scientific Name: |
Erythranthe exigua (A. Gray) G.L. Nesom & N.S. Fraga |
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Common Name: |
San Bernardino Mountains monkeyflower |
| Family: | Phrymaceae |
| Element Code: | PDSCR1B140 |
| USDA Plants Symbol: | |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | annual herb |
| Blooming Period: May-Jul | May-Jul |
| Elevation: | 1800-2315 (5905-7595) |
| General Habitats: | Meadows and seeps, Pebble (Pavement) plain, Upper montane coniferous forest |
| Microhabitat: | Clay, Mesic |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.2 |
| Global Rank: | G2 |
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State Rank: |
S1S2 |
| State List: | None |
| Fed List: | None |
| Other Status: | SB_CalBG/RSABG; USFS_S |
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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) | 5 |
| Fair (C) | 4 |
| Poor (D) | 1 |
| None (X) | 0 |
| Unknown (U) | 12 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| San Bernardino (SBD) | |
| Quads: Name (Quad Code) | |
| Big Bear City (3411637), Big Bear Lake (3411628), Fawnskin (3411638), Moonridge (3411627) | |
Threat List Data from the CNDDB
| Threat List Total: | 9 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 12 | 55 % | |
| Development | 5 | 22% |
| ORV activity | 5 | 22% |
| Mining | 4 | 18% |
| Road/trail construction/maint. | 3 | 13% |
| Altered flood/tidal/hydrologic regime | 2 | 9% |
| Foot traffic/trampling | 2 | 9% |
| Erosion/runoff | 1 | 4% |
| Other | 1 | 4% |
| Recreational use (non-ORV) | 1 | 4% |
Notes
| Threatened by development, mining, recreational activities, and vehicles. Potentially threatened by vegetation/fuel management and fire suppression. See Proceedings of the American Academy of Arts and Sciences 20:307 (1885) for original description, Annals of the Missouri Botanical Garden 11(2-3):256-257 (1924) for taxonomic treatment, and Phytoneuron 2012-39:1-60 (2012) for revised nomenclature. |
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Threats: |
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Taxonomy: |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 23 November 2025].