39 



ASTRAGALUS BARRII 

 BARR'S MILK-VETCH 



Element occurrence code: PDFAB0F150 . 001 



Global rank: G3 Forest Service status: SENSITIVE LIST 

 State rank: S3 



Survey site name: BIDDLE 

 County: Powder River 



USGS quadrangle: BIDDLE 



Township-range: 008S052E Section: 22 Center 

 Township-range comments: Sec 22 E2E2 



Survey date: 1986-05-20 Elevation: 3440 

 First observation: 1961 Slope/aspect: 



Last observation: 1986-05-20 Size (acres) : 15 



Location: 



ALONG BLUFF ON E. SIDE OF ST. HWY . 59, 1.7 MILES N. OF 



BIDDLE, MT, OVERLOOKING THE LITTLE POWDER RIVER. ALSO JUST WEST 



OF HIGHWAY (LESICA, 1986) . 



Element occurrence data: 



"FORMING DOMED CUSHIONS UP TO 5 DM IN DIAMETER" (BARNEBY 

 13233); 1986: CA. 200-250 PLANTS, MOST IN FLOWER; EVIDENCE 

 OF LIGHT GRAZING BY HORSES. 



General site description: 



ON LOW SANDSTONE BLUFF; ARTEMISIA TRIDENTATA/GRASSLAND, WITH 

 OPUNTIA POLYACANTHA, ARTEMISIA FRIGIDA, BOUTELOUA GRACILIS, 

 KOELERIA MACRANTHA, CRYPTANTHA CELOSIOIDES, PHLOX SP., AND POA 

 SP. 



/ 



Land owner/manager: 



PRIVATELY OWNED LAND (INDIVIDUAL OR CORPORATE) 



Information source: 



SHELLY, J.S. 198 6. FIELD SURVEY TO SOUTHEASTERN MONTANA OF 

 18-22 MAY 1986. 



Eleffient Occurrence Record - Astragalus bar 

 Montana Natural Heritage Program 



