Taxon Report
Perideridia parishii (Coult. & Rose) Nels. & Macbr. ssp. parishiiParish's yampah |
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Taxon Summary
Perideridia parishii ssp. parishii, commonly known as Parish's yampah, is a perennial herb in the Apiaceae that is found in California and elsewhere. It occurs within Lower montane coniferous forest, Meadows and seeps, and Upper montane coniferous forest, growing at elevations from 1465 to 3000 meters. Perideridia parishii ssp. parishii is ranked 2B.2, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Moderately threatened in California.Classification
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Scientific Name: |
Perideridia parishii (Coult. & Rose) Nels. & Macbr. ssp. parishii |
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Common Name: |
Parish's yampah |
| Family: | Apiaceae |
| Element Code: | PDAPI1N0C2 |
| USDA Plants Symbol: | PEPAP2 |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: Jun-Aug | Jun-Aug |
| Elevation: | 1465-3000 (4805-9845) |
| General Habitats: | Lower montane coniferous forest, Meadows and seeps, Upper montane coniferous forest |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 2B.2 |
| Global Rank: | G4T3T4 |
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State Rank: |
S2 |
| 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: | 37 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 4 |
| Fair (C) | 1 |
| Poor (D) | 1 |
| None (X) | 1 |
| Unknown (U) | 30 |
| 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), Harrison Mtn. (3411722), Keller Peak (3411721), Lake Arrowhead (3411732), Moonridge (3411627) | |
Threat List Data from the CNDDB
| Threat List Total: | 10 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 21 | 57 % | |
| ORV activity | 8 | 21% |
| Foot traffic/trampling | 6 | 16% |
| Grazing | 4 | 10% |
| Road/trail construction/maint. | 4 | 10% |
| Development | 3 | 8% |
| Recreational use (non-ORV) | 3 | 8% |
| Non-native plant impacts | 3 | 8% |
| Other | 2 | 5% |
| Over-collecting/poaching | 1 | 2% |
| Wood cutting or brush clearing | 1 | 2% |
Notes
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Threatened by development, fire suppression, foot traffic, hydrological alterations, non-native plants, road maintenance, vehicles, and water diversions. See Botanical Gazette |
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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 15 November 2025].