16 



Occurrence number: 001 



Global rank: G3G4 Forest Service status: SENSITIVE 

 State rank: SI Federal Status: 



Survey site name: LAURIN CANYON 



EO rank: 

 EO rank comments : 



County: MADISON 



USGS quadrangle: LAURIN CANYON 



Township: 006S Range: 005W Section: 10 Precision: S 



Township-range comments: NW4 



Survey date: 1991-08-19 Elevation: 6800 

 First observation: 1982 Slope/aspect: 



Last observation: 1991-08-19 Size (acres) : 5 



Location: 



SLOPE OF RUBY MOUNTAIN RIDGE ABOVE LAURIN CANYON, RUBY RANGE. 



Element occurrence data: 



CA. 115 PLANTS IN 3 SUBPOPULATIONS ; THE LARGEST IS ABOVE THE LOWEST 

 SPRING ON LAURIN CANYON. 



General site description: 



OPEN PLACES IN SUBALPINE FOREST, WITH ARTEMISIA MICHAUXIANA, MAHONIA 

 REPENS, ACHILLEA MILLEFOLIUM, AND STIPA VIRIDULA. 



Land owner/manager: 



BLM: DILLON RESOURCE AREA, BUTTE DISTRICT 



Comments : 



VOUCHER-LACKSCHEWITZ (10282) AND ROSENTRETER, 1982, MONTU, NY 

 (VERIFIED BY A. CRONQUIST, NY). LACKSCHEWITZ/ROSENTRETER COLLECTION 

 MAY BE FROM AN UNSURVEYED HIGHER ELEVATION, (T6SR5W, S9 , SW4 ) . 



Information source: 



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

 HELENA, MT 59620.(475). 1991. MONT. 



Element Occurrence Record - Cirsium subniveum 

 Montana Natural Heritage Program 



