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 QOIE 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 8384 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 FILIFOLIA, 

 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 59601. 



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



