CIRSIUM LONGISTYLUM * 025 

 LONG-STYLED THISTLE 



Global rank: 

 State rank: 



G2Q 

 S3 



Forest Service status: 



Federal Status: C2 



Survey site name: 



EO rank: 



EO rank comments: 



BOULDER CREEK 



CD 



SMALL POPULATION. 



County: BROADWATER 



USGS quadrangle: 



BOULDER BALDY 

 DIAMOND CITY 



Township: 

 OlON 



Range: 

 003E 



Section: 

 28 



TRS comments: 

 S2SW4, 29 S2SE4 



Survey date: 1992-08-11 



First observation: 1992-08-11 



Last observation: 1992-08-11 



Elevation: 6920 -7020 

 Slope/aspect: 20-40% / SOUTH 

 Size (acres) : 



Location: 



BIG BELT MOUNTAINS, RIDGELINE ABOVE BOULDER CREEK, 

 ACCESSIBLE FROM FS RD #4171 TO LOGGING ROAD TO FS TRAIL 

 #142, WHICH CUTS OVER THE RIDGE. 



Element occurrence data: 



20-40 PLANTS WIDELY SCATTERED ACROSS EXPOSED SLOPE. 

 LATE FLOWERING AND FRUITING STAGES. 



VERY 



General site description: 



OPEN UPPER SOUTH-FACING RIDGELINE ABOVE BOULDER CREEK IN 

 AGROPYRON SPICATUM HABITAT TYPE WITH PAST GRAZING HISTORY 

 LIKELY. UNUSUALLY HEAVY LITTER BUILDUP. ASSOCIATED SPECIES; 

 FESTUCA IDAHOENSIS, MONARDA FISTULOSA. 



Land owner/manager: 



HELENA NATIONAL FOREST, 



TOWNSEND RANGER DISTRICT 



Comments: 



FIVE SPECIMENS COLLECTED FOR MORPHOMETRIC STUDY. 



Information source: 



HEIDEL, B. 1992. [MTNHP FIELD SURVEYS TO BOULDER CREEK AND 

 BOULDER LAKES OF 11 AUGUST.] 



Specimens: 



E lenient Occurrence Record 



Plant Scecies of Special Concern 



