CIRSIUM LONGISTYLUM * 029 

 LONG-STYLED THISTLE 



Global rank: G2Q 

 State rank: S3 



Forest Service status: 



Federal Status: C2 



Survey site name: 



EO rank: 



EO rank comments: 



SPRINGS GULCH 



BC 



SMALL POPULATION IN DISTURBED SITE, ONLY 10% WAS 



CIRSIUM LONGISTYLUM. 



County: BROADWATER 



USGS quadrangle: WHITES CITY 



Township: Range: Section: 

 OlON 002E 3 



TRS comments: 

 NW4NW4NW4 



Survey date: 1992-08-27 



First observation: 1992-08-27 



Last observation: 1992-08-27 



Elevation: 6640 -6840 

 Slope/aspect: 50% / SOUTHWEST 

 Size (acres) : 10 



Location: 



BIG BELT MOUNTAINS, HEAD OF SPRINGS GULCH ON SOUTH SLOPES OF 

 BILK MOUNTAIN, 0.3 AIR MILES SOUTHWEST OF THE EASTERN PEAK 

 OF BILK MOUNTAIN; END OF SPRINGS GULCH ROAD (FS RD #1020). 



Element occurrence data: 



IN 1992 THERE WERE CA. 50 PLANTS (10% WERE CIRSIUM 

 LONGISTYLUM, 20% WERE C. HOOKERIANUM, AND THE REST WERE 

 HYBRIDS; N=25) . IN FRUIT WITH FEW SEEDS POSSIBLY DUE TO 

 EARLIER DROUGHTS. 



General site description: 



MEADOW WITH VARIOUS GRASSES AND SEDGES SURROUNDED BY 

 PSEUDOTSUGA MENZIESII FOREST; NUMEROUS INTRODUCED SPECIES 

 SUCH AS CARDUUS NUTANS AND CIRSIUM VULGARE ALONG ROAD EDGE; 

 SEDGE MEADOW DOWNSLOPE MAY BE MORE "NATURAL." 



Land owner /manager : 



HELENA NATIONAL FOREST, TOWNSEND RANGER DISTRICT 



Comments: 



Information source: 



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

 BELT MOUNTAINS IN HELENA NATIONAL FOREST OF JULY 12, 27-29 

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



Specimens: 



POOLE, J. (3165). 1992. MONT. 



Element Occurrence Record 



Plant Species of Special Concern 



