Home/Species/ Cliff Cinquefoil

Potentilla rimicola

(Munz & Johnston) Ertter

Cliff Cinquefoil

G2Imperiled Found in 1 roadless area NatureServe Explorer →

G2ImperiledGlobal Rank

UnknownThreat Impact

Identity

Unique IDELEMENT_GLOBAL.2.145907

Element CodePDROS1B2G0

Record TypeSPECIES

ClassificationSpecies

Classification StatusStandard

Name CategoryVascular Plant

Endemicoccurs (regularly, as a native taxon) in multiple nations

KingdomPlantae

PhylumAnthophyta

ClassDicotyledoneae

OrderRosales

FamilyRosaceae

GenusPotentilla

Concept Reference

Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.

Conservation Status

Rank Method Rank calculation - Biotics v2

Review Date2021-11-17

Change Date2021-11-17

Edition Date2021-11-17

Edition AuthorsGries, D. rev. L. McDonald (2001), rev. Treher (2021)

Threat ImpactUnknown

Range Extent5000-20,000 square km (about 2000-8000 square miles)

Number of Occurrences6 - 20

Rank Reasons

Potentilla rimicola is a perennial herb of high altitudes in the United States in California and Mexico in Baja California. It occurs in the Sierras Juarez and San Pedro Martir in Baja California and at eight occurrences in the San Jacinto Mountains in Riverside County, California. The number of occurrences in Mexico is unknown, but likely fewer than 10. Surveys are needed to determine threats and trends to this species.

Range Extent Comments

Potentilla rimicola occurs in the United States in California and Mexico in Baja California. It occurs in the San Pedro Martir, and possibly Sierras Juarez, in Baja California and the San Jacinto Mountains in Riverside County, California (Baja Flora 2021, Wiggins 1980).

Occurrences Comments

Potentilla rimicola is known from eight occurrences in California (CNDDB 2021). The number of occurrences in Mexico is unknown but based on herbarium collections, there are fewer than 10 (Baja Flora 2021).

Threat Impact Comments

One occurrence is threatened by foot traffic but threats are largely unknown.

Ecology & Habitat

Habitat

This species grows in granite crevices and rocky sites in subalpine coniferous forest and upper montane coniferous forest at around 2,405-3,050 m elevation (CNDDB 2021).

Terrestrial Habitats

Forest/WoodlandForest - ConiferWoodland - ConiferBare rock/talus/scree

Other Nations (1)

United StatesN1

Province	Rank	Native
California	S1	Yes

Threat Assessments

Threat	Scope	Severity	Timing
6 - Human intrusions & disturbance	Unknown	Unknown	High (continuing)
6.1 - Recreational activities	Unknown	Unknown	High (continuing)

Plant Characteristics

DurationPERENNIAL

Economic Value (Genus)No

Roadless Areas (1)

California (1)

Area	Forest	Acres
Hixon Flat	San Bernardino National Forest	8,095

References (6)

Baja Flora. 2021. The Flora of Baja California. San Diego Natural History Museum, San Diego, CA. Online. Available: http://BajaFlora.org (accessed 2021).
California Natural Diversity Database (CNDDB). 2021. RareFind Version 5.2.14. California Department of Fish and Game, Sacramento.
Flora of North America Editorial Committee (FNA). 2014b. Flora of North America north of Mexico. Vol. 9. Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York. xxiv + 713 pp.
Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Skinner, M.W., and B.M. Pavlik, eds. 1997 (1994). Inventory of rare and endangered vascular plants of California. 1997 Electronic Inventory Update of 1994 5th edition, California Native Plant Society, Special Publication No. 1, Sacramento.
Wiggins, I.L. 1980. Flora of Baja California. Stanford Univ. Press, Stanford, California. 1025 pp.

Potentilla rimicola

Habitat

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