Taxon Report

Potentilla rimicola (Munz & Jtn.) B. Ertter

cliff cinquefoil

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Copyright © 2005 US Forest Service

Taxon Summary

Potentilla rimicola, commonly known as cliff cinquefoil, is a perennial herb in the Rosaceae that is found in California and elsewhere. It occurs within Subalpine coniferous forest, and Upper montane coniferous forest, growing at elevations from 2400 to 2800 meters. Potentilla rimicola is ranked 2B.3, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Not very threatened in California.


  Classification

Scientific Name:
Potentilla rimicola (Munz & Jtn.) B. Ertter
Common Name:
cliff cinquefoil
Family: Rosaceae
Element Code: PDROS1B2G0
USDA Plants Symbol: PORI7
Synonyms/Other Names:

Ecology and Life History

Lifeform: perennial herb
Blooming Period: Jul-Sep Jul-Sep
Elevation: 2400-2800 (7875-9185)
General Habitats: Subalpine coniferous forest, Upper montane coniferous forest
Microhabitat: Granitic, Rocky
Microhabitat Details:

Conservation Status

CA Rare Plant Rank: 2B.3
Global Rank: G2
State Rank:
S1
State List: None
Fed List: None
Other Status: SB_CalBG/RSABG; USFS_S
CRPR Changes:
  • changed from 2.3 to 2B.3 on 2013-06-12

Occurrence Data from the CNDDB

Total Occurrences: 8
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 1
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 7
California Endemic:  False
California Counties and Islands: Name (Code)
Riverside (RIV)
Quads: Name (Quad Code)
San Jacinto Peak (3311676)

Threat List Data from the CNDDB

Threat List Total: 1
EOs with Threat Listed: Total EOs % of EOs
1 13 %
Foot traffic/trampling 1 12%

Notes

Known in CA approximately five occurrences in the San Jacinto Mtns. Possibly threatened by recreational activities. See Bulletin of the Southern California Academy of Sciences 24:18 (1925) for original description, and Phytologia 71(5):420-422 (1991) for revised nomenclature.
Threats:
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 February 2025].