February 16, 1993 



MONTANA NATURAL HERITAGE PROGRAM 

 Element Occurrence Record 



Scientific Name: ERIGERON LACKSCHEWITZII 

 Common Name: FRONT MOUNTAIN FLEABANE 



Global rank: G2Q Forest Service status: 

 State rank: S2 Federal Status: C2 



Element occurrence code: PDAST3M4F0.007 

 Element occurrence type: 



Survey site name: OUR LAKE 



EO rank: AB 

 EO rank comments: 



County: TETON 



USGS quadrangle: OUR LAKE 



Township: Range: Section: TRS comments: 

 024N 009W 18 W2 . 



Survey date: 1989-08-09 Elevation: 8400 - 

 First observation: 1986 Slope/aspect: 5-25% / EAST, WEST 



Last observation: 1992-07-24 Size (acres) : 5 



Location: 



FRONT RANGE MOUNTAINS, CA. 25 MILES WEST OF CHOTEAU, ABOVE OUR LAKE ON 

 RIDGE NORTH OF HEADQUARTERS PASS AND ON SADDLE SLOPES WEST OF OUR 

 LAKE. 



Element occurrence data: 



1992: 200-400 PLANTS, MOST DENSELY CONCENTRATED ON WEST-FACING SLOPE. 

 IN PEAK FLOWERING ON 24 JULY, AN EARLY YEAR. 1989: COMMON; LARGE 

 POPULATION (ROE) . CA. 25 PLANTS OVER A ONE ACRE AREA, IN FLOWER 

 (PHILLIPS, FIELD). 



General site description: 



IN ALPINE TURF; WITH DRY AS OCTOPETALA, CAREX RUPESTRIS, KOBRESIA 

 MYOSUROIDES, ERIGERON COMPOSITUS, AND ASTRAGALUS MOLYBDENUS. ALPINE 

 FELLFIELD; LIMESTONE BEDROCK. 



Land owner/manager: • 



BOB MARSHALL WILDERNESS 

 LEWIS & CLARK NATIONAL FOREST, ROCKY MOUNTAIN RANGER DISTRICT 



Comments: 



SITE REVISITED BY B. HEIDEL (MTNHP) IN 1992. WITHIN 1 MILE AND 

 POSSIBLY A SUBPOPULATION OF OCCURRENCE #002 (HEADQUARTERS CREEK PASS) 

 1992 COLLECTIONS MADE FOR GENETICS RESEARCH. 



Information source: 



PHILLIPS, W. AND D, FIELD. LEWIS AND CLARK NATIONAL FOREST, P.O. BOX 

 - 871, GREAT FALLS, MT 594 03. 



Specimens: 



