Taxon Report
Parnassia parviflora DC.small-flowered grass-of-Parnassus |
 © 2012 Dylan Neubauer |
Taxon Summary
Parnassia parviflora, commonly known as small-flowered grass-of-Parnassus, is a perennial herb in the Parnassiaceae that is found in California and elsewhere. It occurs within Meadows and seeps, growing at elevations from 2000 to 2855 meters. Parnassia parviflora 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: |
Parnassia parviflora DC. |
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Common Name: |
small-flowered grass-of-Parnassus |
| Family: | Parnassiaceae |
| Element Code: | PDSAX0P0A0 |
| USDA Plants Symbol: | |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: Aug-Sep | Aug-Sep |
| Elevation: | 2000-2855 (6560-9365) |
| General Habitats: | Meadows and seeps |
| Microhabitat: | Mesic |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 2B.2 |
| Global Rank: | G5? |
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State Rank: |
S2 |
| State List: | None |
| Fed List: | None |
| Other Status: | |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 5 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 0 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 5 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| Inyo (INY), Mono (MNO) | |
| Quads: Name (Quad Code) | |
| Convict Lake (3711857), Mount Tom (3711836), Toms Place (3711856), Tungsten Hills (3711835), White Mtn. Peak (3711863) | |
Threat List Data from the CNDDB
| Threat List Total: | 1 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 1 | 20 % | |
| Foot traffic/trampling | 1 | 20% |
Selected References
| Proposed Addition to CRPR 2.3, G4 / S1 (2008) |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 8 November 2025].