viarch 12, 1996 



MONTANA NATXmAL 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: 3C 



Element occurrence code: PDFAB0F150 . 034 ID: ? 

 Element occurrence type: 



Survey site name: BLOOM CREEK 



EO rank: 

 EO rank comments: 



County: POWDER RIVER 



USGS quadrangle: BLOOM CREEK 



Township: Range: Section: TRS comments: 



007S 048E 23 SE4NE4, NE4SE4, CENTER; 15 SE4; 14 SW4 



Precision: S 



Survey date: Elevation: 3600 - 3700 



First observation: 1995-05-25 Slope/aspect: 0-30+% / ALL 



Last observation: 1995-05-29 Size (acres): 5 



Location: 



, TAKE POWDER RIVER ROAD TO MOORHEAD FROM BROADUS . AFTER 20-25 MILES, 

 I TURN UP BLOOM CREEK (ROAD SIGN READS "TO FORT HOWES"). PLANTS ARE JUST 

 INSIDE FOREST BOUNDARY ON LOWER RIDGES ON SOUTHWEST SIDE OF DRAINAGE. 



Element occurrence data: 



3 SUBPOPULATIONS WITH 400, 30, AND 13 PLANTS; ALL VEGETATIVE. 



General site description: 



OPEN TO PARTIALLY SHADED, DRY BREAKLANDS ASSOCIATED WITH SANDSTONE 

 OUTCROPS. SANDY-SILTY SOIL, OFTEN WITH MANY ROCK FRAGMENTS. LOTS OF 

 PINE DUFF IN SOME AREAS. DOMINATED BY PINUS PONDEROSA, JUNIPERUS 

 SCOPULORUM. OTHER ASSOCIATED SPECIES: CAREX FILIFOLIA, ANDROPOGON 

 SCOPARIUS, ARISTIDA LONGISETA, BOUTELOUA GRACILIS, YUCCA GLAUCA, 

 GUTIERREZIA SAROTHRAE. 



Land owner /manager : 



CUSTER NATIONAL FOREST, ASHLAND RANGER DISTRICT 



Comments : 



I VEGETATIVE MATERIAL ONLY; CONFORMATION IN FLOWER WARRANTED. OBSERVED 



BY H. MARRIOTT. NATURAL EROSION ON STEEPER, SPARSELY-VEGETATED SLOPES 

 I PRODUCES PEDESTALLED PLANTS. 



Information source: BOTANIST, MONTANA NATURAL HERITAGE PROGRAM, 1515 

 EAST SIXTH AVENUE, HELENA, MT 59620-1800. 



Specimens ; 



