CIRSIUM LONGISTYLUM * 030 

 LONG-STYLED THISTLE 



Global rank: G2Q Forest Service status: 

 State rank: S3 Federal Status: C2 



Survey site name: LONG GULCH/PRIEST GULCH RIDGE 



EO rank: AB 

 EO rank comments: LARGE POPULATION IN RELATIVELY UNDISTUBED HABITAT, 



BUT NOT ALL OF THE POPULATION IS CIRSIUM 



LONGISTYLUM. 



County: MEAGHER 



BROADWATER 



USGS quadrangle: WHITES CITY 



Township: Range: Section: TRS comments: 



OllN 003E 31 SW4SW4,W2NW4SW4,W2SW4NW4 



3 6 NE4SE4NE4,S2NE4NE4,NW4NE4NE4,NE4NW4NE4;2 5SW 



1 E2NE4NE4,NW4NE4NE4 



Survey date: 1992-08-05 Elevation: 6440 -6693 

 First observation: 1992-08-05 Slope/aspect: 5-15% / VARIOUS 

 Last observation: 1992-08-05 Size (acres) : 100 



Location: 



BIG BELT MOUNTAINS, 2.7 AIR MILES EAST OF EAST SUMMIT OF 

 BILK MOUNTAIN, RIDGE AT THE HEAD OF LONG AND PRIEST GULCHES; 

 CA. 0.3 - 2.1 MILES NORTH OF FS RD #4161 (LAST 0.2 MILES 

 NORTH ON NORTH SPLIT) FROM JUNCTION WITH FS RD #587 (WHITES 

 GULCH ROAD) WHICH IS CA. 4 MILES NORTHEAST OF WHITES CITY. 



Element occurrence data: 



IN 1992 CA. 500 INDIVIDUALS OBSERVED (BUT NOT ALL THE 

 POPULATION IS CIRSIUM LONGISTYLUM.) 



General site description: 



ROUGH FESCUE MEADOW AT CREST OF BIG BELT MOUNTAINS DIVIDE; 

 SILTY MOIST SOILS. WITH POA PRATENSIS, POTENTILLA GRACILIS, 

 SMILACINA STELLATA, BROMUS CARINATUS, FESTUCA IDAHOENSIS, 

 STIPA RICHARDSONII, PERIDERIDEA GAIRDNERI , FRAGARIA 

 VIRGINIANA, GEUM TRIFLORUM, DANTHONIA INTERMEDIA, GALIUM 

 BOREALE, GERANIUM VISCOSUM, ETC. 



Land owner /manager : 



HELENA NATIONAL FOREST, TOWNSEND RANGER DISTRICT 



Comments: 



ECODATA PLOT #92JPO01. 



Information source: 



POOLE, J. M. 1992. [MTNHP FIELD SURVEY TO ELKHORN AND BIG 

 BELT MOUNTAINS IN THE HELENA NATIONAL FOREST OF JULY 12, 

 27-29, AUG. 3-7, 14, 17, 26, 27.] 



Specimens: 



Element Occurrence Record 

 Plant Species of Sp)ecial Concer 



