AO 



ASTRAGALUS BARRII 

 BARR'S MILK- VETCH 



Element occurrence code: PDFAB0F150 . 002 



Global rank: G3 Forest Service status: SENSITIVE LIST 

 State rank: S3 



Survey site name: BUTTE CREEK 

 County: Powder River 



USGS quadrangle: BALDY PEAK 



Township-range: 007S050E Section: 04 

 Township-range comments: S2SE4 



Survey date: 1986-05-21 Elevation: 3350 

 First observation: Slope/aspect: 



Last observation: 1986-05-21 Size (acres) : 2 



Location: 



POWDER RIVER BADLANDS, 0.2-0.45 AIR MILES E. OF THE BUTTE 

 CREEK RD., 0.8 MI. S. OF ITS JUNCTION WITH THE POWDER RIVER 

 RD., E. OF BUTTE CREEK. 



Element occurrence data: 



CA. 70-80 PLANTS, 2 SUBPOPULATIONS ; 50% IN FLOWER AND EARLY 

 FRUIT; SOME SIGNS OF LIGHT GRAZING; THIS MAY BE A RELOCATION 

 OF A HISTORICAL COLLECTION, "BUTTE CREEK," CITED BY R. 

 BARNEBY (1956) . 



General site description: 



ERODING SILT-CLAY SOIL, IN BARREN, LEVEL TO SLOPING AREAS; 



WITH ARTEMISIA TRIDENTATA/AGROPYRON SPICATUM, JUNIPERUS 



SCOPULORUM, ASTRAGALUS SPATULATUS, A. GILVIFLORUS. 



/ 

 Land owner/manager: 



ELM: POWDER RIVER RESOURCE AREA, MILES CITY DISTRICT 



Information source: 



SHELLY, J.S. 1986. FIELD SURVEY TO SOUTHEASTERN MONTANA OF 

 18-22 MAY 1986. 



Element Occurrence Record - Astragalus barr 

 Montana Natural Heritage Program 



