22 



Occurrence number: 007 



Global rank: G3G4 Forest Service status: SENSITIVE 

 State rank: SI Federal Status: 



Survey site name: ELK LAKE 



EO rank: B 

 EO rank comments: LARGE, HEALTHY POPULATION, SURROUNDING 



AREA IS HEAVILY GRAZED. 



County : BEAVERHEAD 



USGS quadrangle: HIDDEN LAKE BENCH 



Township: 013S Range: 001E Section: 16 Precision: S 



Township-range comments: SE4 



Survey date: 1991-08-21 Elevation: 6800 

 First observation: 1991 Slope/aspect: 0-40% / NORTHWEST 



Last observation: 1991-08-21 Size (acres) : 30 



Location: 



CENTENNIAL VALLEY, CA. 0.3 MILE NORTH OF ELK LAKE, NORTHWEST-FACING 

 ROCKY SLOPE. 



Element occurrence data: 



100+ PLANTS, MOSTLY IN FRUIT. 



General site description: 



OPEN, ERODING SCREE SLOPE (TERTIARY VOLCANIC ROCK), WITH ARTEMISIA 

 TRIDENTATA, AGROPYRON SPICATUM, POA SECUNDA, JUNIPERUS COMMUNIS AND 

 POLYPODIUM VULGARE. 



Land owner/manager: 



BEAVERHEAD NATIONAL FOREST, MADISON RANGER DISTRICT 



Comments: 



Information source: 



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

 HELENA, MT 59620. (480). 1991. MONT. 



Element Occurrence Record - Cirsium subniveum 

 Montana Natural Heritage Program 



