March 12, 1996 



MONTANA NATURAL HERITAGE PROGRTiM 

 Element Occurrence Record 



"scientific Name: ASTRAGALUS BARRII 

 Common Name: BARR'S MILKVETCH 



Global rank: G3 Forest Service status: SENSITIVE 

 State rank: S3 Federal Status: 3C 



Element occurrence code: PDFAB0F150 . 017 ID: ? 

 Element occurrence type: 



Survey site name: NW BUTTRESS, TAYLOR BUTTE 



EO rank: C 

 EO rank comments: POOR REPRODUCTION 



County: POWDER RIVER 



USGS quadrangle: FORT HOWES 



Township: Range: Section: TRS comments: 

 006S 046E 20 SW4 ; 19 SE4 



Precision: S 



Survey date: 1988-05-19 Elevation: 3360 - 



First observation: 1988 Slope/aspect: 



Last observation: 1988-05-19 Size (acres) : 30 



Location: 

 I CA. 0.75 MILE SE OF FORT HOWES RANGER STATION, ALONG CLIFFS. 



Element occurrence data: 



CA. 3,050 PLANTS SCATTERED ALONG RIM ROCK. LARGE MATS. NOT FLOWERING. 



General site description: 



ERODING CLIFF IN SILTY CLAY SOILS; ONE SUBPOPULATION IN THE MIDDLE OF 

 BURN AREA (1966) . 



Tand 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 

 I BARRII) . ] 



Specimens ; 



