MONTANA NATURAL HERITAGE PROGRAM 

 Element Occurrence Record 



Scientific Name: CIRSIUM SUBNIVEUM 

 Common Name: JACKSON'S HOLE THISTLE 



Global rank: G3G4 Forest Service status: SENSITIVE 

 State rank: S2 Federal Status: 



Element occurrence code: PDAST2E2S0 . 008 

 Element occurrence type: 



Survey site name: HIDDEN LAKE 



EO rank: A 

 EO rank comments: SMALL POPULATION, BUT EXCELLENT LOCATION WITH NO 



WEED INVASION. 



County: MADISON 



USGS quadrangle: HIDDEN LAKE BENCH 



Township: Range: Section: TRS comments: 

 013S OOIE 3 NW4SW4 



Precision: S 



Survey date: 1991-08-22 Elevation: 6760 



First observation: 1991 Slope/aspect: 10-35% / SOUTHWEST 



Last observation: 1991-08-22 Size (acres) : 15 



Location: 



NORTH OF CENTENNIAL VALLEY, JUST NORTH OF HIDDEN LAKE. FROM RED ROCK 

 LAKE WILDLIFE REFUGE, TAKE FS RD 8 3 84 NORTH PAST ELK LAKE TO END OF 

 ROAD. PARK AND WALK NORTH ON TRAIL 3 5 TO NEAR THE END OF HIDDEN LAKE; 

 TURN WEST ON TRAIL #19 FOR 0.2 MILES; SCREE SLOPES ARE ABOVE TRAIL. 



Element occurrence data: 



CA. 4 3 PLANTS IN 3 SMALL SUBPOPULATIONS , SCATTERED OVER A LARGE AREA. 



General site description: 



ALONG THE UPPER AND LOWER EDGES OF OPEN SCREE SLOPES WITH SPARSE 

 VEGETATIVE COVER OF PENSTEMON DEUSTUS, POA SECUNDA, CAREX FILI FOLIA, 

 JUNIPERUS COMMUNIS; SURROUNDING FOREST IS SPARSE PSEUDOTSUGA 

 MENZIESII. 



Land owner /manager : 



BEAVERHEAD NATIONAL FOREST, MADISON RANGER DISTRICT 



Comments: 



Information source: ROE, LISA SCHASSBERGER. [BOTANIST.] 556 SPENCER, 



HELENA, MONTANA 59 601. 



Specimens: ROE, L. S. (481). 1991. MONT. 



