SENSITIVE 



SCIENTIFIC NAME: POTENTILLA BREVUOLIA Nutt. 



COMMON NAME: Short- leaved cinquefoU 



FAMILY: Rosaceae (Rose family) 



MONTANA STATUS: Sensitive 



GLOBAL and STATE RANKS (TNC): G4/S1 



USFWS STATUS: None 



USFS STATUS: None 



GLOBAL DISTRIBUTION: Northeast OR to sw. MT, south to 



nw. WY and n. NV. Regional endemic. 

 MONTANA COUNTIES: Madison 

 LAND OWNERSHIP: Gallatin N.F. 

 PHYSIOGRAPHIC DISTRIBUTION: Madison Range 

 HABITAT: Open, rocky soil and scree in the alpine 



zone, 3080 m (10,100 ft.) 

 PHENOLOGY: Flowering in August 

 COMMENTS: This species is known from only one 



location in Montana. 



SCIENTIFIC NAME: POTEMTILLA DIVERSIFOLIA Lehm. var. 



MULTISECTA Wats. 

 COMMON NAME: Diverse- leaved cinquefoil 

 FAMILY: Rosaceae (Rose Family) 

 MONTANA STATUS: Sensitive 

 GLOBAL and STATE RANKS (TNC): G5T3T4/SH 

 USFWS STATUS: None 

 USFS STATUS: None 

 GLOBAL DISTRIBUTION: NV and UT, east to ID and MT. 



Range of the species as a whole is Yuk. to CA, east 



to Sask. and NM. Peripheral. 

 MONTANA COUNTIES: Gallatin, Park 

 LAND OWNERSHIP: Gallatin N.F. 

 PHYSIOGRAPHIC DISTRIBUTION: Bridger Mtns., Crazy 



Mtns. 

 HABITAT: Dry, rocky slopes and ridges in the 



subalpine and alpine zone, 2135-2745 m 



(7,000-9,000 ft) 

 PHENOLOGY: Flowering in late May and June 

 COMMENTS: All of our records are at least 90 years 



ago. 



SCIENTIFIC NAME: POTENTILLA QUINOUEFOLIA Rydb. 



COMMON NAME: Snow cinquefoil 



FAMILY: Rosaceae (Rose Family) 



PERTINENT SYNONYMS: P^ nivea L. var. quinquefolia 



Rydb. 

 MONTANA STATUS: Sensitive 

 GLOBAL and STATE RANKS (TNC): G4/S1 

 USFWS STATUS: None 

 USFS STATUS: None 

 STATUS IN OTHER STATES: Rare in B.C. and Sask., 



sens i t i ve in WA 

 GLOBAL DISTRIBUTION: B.C. to Sask. south to OR, UT, 



and CO. Sparse. 

 MONTANA COUNTIES: Flathead, Glacier, Granite, 



Madison, Park 

 LAND OWNERSHIP: BLM, Missoula District; Glacier N.P.; 



Beaverhead N.F.; Flathead N.F.; Gallatin N.F. 

 PHYSIOGRAPHIC DISTRIBUTION: Gallatin, Gravelly, 



Lewis, and Swan ranges and Clark Fork River drainage 

 HABITAT: Dry, gravelly soil of windswept ridges and 



slopes in the alpine zone, 1980-3050 m 



(6,500-10,000 ft) 

 PHENOLOGY: Flowering in July 

 COMMENTS: This species is part of a difficult complex 



that includes P. nivea and P. uni flora 



SCIENTIFIC NAME: POTENTILLA UNIFLORA Ledeb. 



COMMON NAME: One-flowered cinquefoil 



FAMILY: Rosaceae (Rose family) 



MONTANA STATUS: Sensitive 



GLOBAL and STATE RANKS (TNC): G5/S1 



USFWS STATUS: None 



USFS STATUS: None 



STATUS IN OTHER STATES: Rare in WY 



GLOBAL DISTRIBUTION: AK and Canadian arctic, south to 



B.C., Alta., MT, and CO; Asia. Sparse. 

 MONTANA COUNTIES: Deer Lodge 

 LAND OWNERSHIP: Deerlodge N.F. 

 PHYSIOGRAPHIC DISTRIBUTION: Anaconda Range 

 HABITAT: Open, gravelly soil in the alpine zone, 



2960 m (9,700 ft.) 

 PHENOLOGY: Flowering in July 

 COMMENTS: This species can be confused with the more 



common P. nivea. 



SCIENTIFIC NAME: POTENTILLA PLATTENSIS Nutt. 



COMMON NAME: Platte cinquefoil 



FAMILY: Rosaceae (Rose Family) 



MONTANA STATUS: Sensitive 



GLOBAL and STATE RANKS (TNC): G4/S1 



USFWS STATUS: None 



USFS STATUS: None 



STATUS IN OTHER STATES: Rare in Alta. 



GLOBAL DISTRIBUTION: Alta. to Man., south to AZ and 



NM. Sparse. 

 MONTANA COUNTIES: Beaverhead, Big Horn 

 LAND OWNERSHIP: Custer N.F., Red Rock Lakes N.W.R. 

 PHYSIOGRAPHIC DISTRIBUTION: Pryor Mtns. -Big Horn 



Canyon area. Centennial Valley 

 HABITAT: Grasslands in the valleys and on the plains, 



1830-2440 m (6,000-8,000 ft) 

 PHENOLOGY: Flowering in June 



SCIENTIFIC NAME: PRUNUS PUMILA L. 



COMMON NAME: Sand cherry 



FAMILY: Rosaceae (Rose Family) 



PERTINENT SYNONYMS: P^ besseyi Bailey 



MONTANA STATUS: Sensitive 



GLOBAL and STATE RANKS (TNC): G5/S1 



USFWS STATUS: None 



USFS STATUS: None 



STATUS IN OTHER STATES: Rare in Sask. 



GLOBAL DISTRIBUTION: MT, Sask., and MN, south to CO 



and KS. Peripheral. 

 MONTANA COUNTIES: Fallon, McCone 

 LAND OWNERSHIP: Private 



PHYSIOGRAPHIC DISTRIBUTION: Northern Great Plains 

 HABITAT: Sandy or rocky, open soil on the plains, ca. 



975 m (3,200 ft) 

 PHENOLOGY: Mature fruit in June 

 COMMENTS: This species may be more common than 



records indicate. 



