March 12, 1996 



MONTANA NATURAL HERITAGE PROGRAM 

 Element Occurrence Record 



Scientific Name: ASTRAGALUS BARRII 

 Common Name: BARR'S MILKVETCH 



Global rank: G3 Forest Service status: SENSITIVE 

 State rank: S3 Federal Status: 30 



Element occurrence code: PDFAB0F150 . 014 ID: ? 

 Element occurrence type: 



Survey site name: LYON CREEK RIDGE 



EO rank: C 

 EO rank comments: NO APPARENT REPRODUCTION; GRAZING ON ALLOTMENT. 



County: POWDER RIVER 



OSGS quadrangle: FORT HOWES 



GOODSPEED BUTTE 



Township: Range: 

 0058 046E 

 006S 046E 



Precision: 



Survey date: 



First observation: 



Last observation: 



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. 2,400 PLANTS IN 4 SUBPOPULATIONS ; LARGE MATTED POPULATIONS, 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, SENECIO CANUS . 



Land owner/manager: 



CUSTER NATIONAL FOREST, ASHLAND RANGER DISTRICT 



Comments : 



VEGETATIVE MATERIAL ONLY; CONFORMATION IN FLOWER WARRANTED. 



Information source: SCHASSBERGER, L. S. 1988. [FIELD SURVEYS IN POWDER 

 RIVER AND ROSEBUD COS. OF 12-21 MAY {ASTRAGALUS 

 BARRII) .] 



Specimens: SCHASSBERGER, L. A. (184). 1988. MONTU. 



