Taxon Report
Potentilla morefieldii B. ErtterMorefield's cinquefoil |
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Taxon Summary
Potentilla morefieldii, commonly known as Morefield's cinquefoil, is a perennial herb in the Rosaceae that is found only in California. It occurs within Alpine boulder and rock field, growing at elevations from 3265 to 4000 meters. Potentilla morefieldii 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: |
Potentilla morefieldii B. Ertter |
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Common Name: |
Morefield's cinquefoil |
| Family: | Rosaceae |
| Element Code: | PDROS1B2R0 |
| USDA Plants Symbol: | POMO18 |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: Jul-Sep | Jul-Sep |
| Elevation: | 3265-4000 (10710-13125) |
| General Habitats: | Alpine boulder and rock field |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.3 |
| Global Rank: | G2 |
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State Rank: |
S2 |
| 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: | 21 |
| Element Occurrence Ranks: | |
| Excellent (A) | 3 |
| Good (B) | 3 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 15 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Inyo (INY), Mono (MNO) | |
| Quads: Name (Quad Code) | |
| Boundary Peak (3711873), Juniper Mtn. (3711862), Mt. Barcroft (3711852), Mt. Thompson (3711825) | |
Threat List Data from the CNDDB
| Threat List Total: | 4 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 5 | 24 % | |
| Other | 3 | 14% |
| Road/trail construction/maint. | 2 | 9% |
| Foot traffic/trampling | 2 | 9% |
| Erosion/runoff | 1 | 4% |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 3 December 2025].