27 



Occurrence number: 012 



Global rank: G3G4 Forest Service status: SENSITIVE 

 State rank: SI Federal Status: 



Survey site name: MILL CREEK 



EO rank: B 

 EO rank comments: ONE POPULATION QUITE LARGE, BUT ALSO 



HEAVY GRAZING IMPACTS. 



County: MADISON 



USGS quadrangle: COPPER MOUNTAIN 



Township: 004S Range: 003W Section: 17 Precision: S 

 Township-range comments: SE4NW4 , 4S4W, 13SE4 



Survey date: 1991-08-20 Elevation: 7600 

 First observation: 1991 Slope/aspect: 10-35% / SOUTH 



Last observation: 1991-08-20 Size (acres) : 1 



Location: 



TOBACCO ROOT MOUNTAINS: FROM SHERIDAN, MT, HEAD EAST ON FS RD 111 CA. 

 6 MILES, THE FIRST SITE IS ON NORTH SIDE OF ROAD. 



Element occurrence data: 



TWO SUBPOPULATIONS, EASTERN-MOST WITH 100 PLANTS EACH; WESTERN WITH 

 CA. 10 PLANTS. 



General site description: 



IN ROCKY, GRAVELLY OPEN AREAS OF ABIES LASIOCARPA/PINUS CONTORTA 

 FOREST, WITH: ARTEMISIA TRIDENTATA, MAHONIA REPENS, HIERACIUM 

 CYNOGLOSSOIDES, AND ARNICA LONGIFOLIA. HIGH EROSION, LOW VEGETATION 

 COVER, PLANTS OCCURRING ON OLD MINE TAILINGS. 



Land owner/manager: 



BEAVERHEAD NATIONAL FOREST, SHERIDAN RANGER DISTRICT 



Comments: 

 NONE. 



Information source: 



ROE, LISA S., MONTANA NATURAL HERITAGE PROGRAM, 1515 EAST SIXTH AVE., 

 HELENA, MT 59620. (476) 1991. MONT. 



Element Occurrence Record - Cirsium subniveutn 

 Montana Natural Heritage Program 



