52 



ASTRAGALUS BARRII 

 BARR'S MILK-VETCH 



Element occurrence code: PDFAB0F150 . 014 



Global rank: G3 Forest Service status: SENSITIVE LIST 

 State rank: S3 



Survey site name: LYON CREEK RIDGE 

 County: Powder River 



USGS quadrangle: FORT HOWES 



GOODSPEED BUTTE 



Township-range: 005S046E Section: 36 SW4 

 Township-range comments: Sec 35 SE4 : T6S R46E Sec 5 N2 



Survey date: 1988-05-16 Elevation: 3400 

 First observation: 1988 Slope/aspect: 



Last observation: 1988-05-19 Size (acres) : 40 



Location: 



CUSTER NATIONAL FOREST, 3.5 MILES NORTH OF FORT 



HOWES, 1 MILE EAST OF OTTER CREEK, JUST NORTH OF LYON CREEK 



ROAD. 



Element occurrence data: 



CA. 2,4 00 PLANTS IN 4 SUBPOPULATIONS ; LARGE MATTED POPULA- 

 TIONS, NOT FLOWERING. LIGHT GRAZING IN SURROUNDING AREAS. 



General site description: 



ERODING CLIFF-LINES & RIDGES, IN SILTY-CLAY SOILS, BENEATH 

 PINUS PONDEROSA, JUNIPERUS SCOPULORUM; WITH ANDROPOGON 

 SCOPARIUS, FESTUCA IDAHOENSIS, AND SENECIO CANUS . 



Land owner/manager: * 



CUSTER NATIONAL FOREST, ASHLAND RANGER DISTRICT 



Information source: 



SCHASSBERGER, L.A. 1988. FIELD SURVEY, CUSTER NATIONAL FOR- 

 EST, 13-20 MAY. 



Element Occurrence Record - Astragalus barn" i 

 Montana Natural Heritage Program 



