MONTANA NATURAL HERITAGE PROGRAM 

 Element Occurrence Record 



Scientific Name: ASTRAGALUS SCAPHOIDES 

 [Common Name: BITTERROOT MILKVETCH 



Global rank: G3 Forest Service status: 

 State rank: SI Federal Status: 3C 



Element occurrence code: PDFABCF7V0 . 013 

 Element occurrence type: 



Survey site name: RAWHIDE CREEK 



EO rank: C 

 EO rank comments: MOSTLY SMALL, VEGETATIVE PLANTS; AREA SEEDED TO 

 CRESTED WHEAT. 



County : BEAVERHEAD 



USGS quadrangle: BACHELOR MOUNTAIN 



Township: Range: Section: TRS comments: 

 009S 013W 29 :r.-.'4 



Precision 



Survey date 



First observation 



Last observation 



S 



1994-06-22 Elevation: 6200 - 



1994-06-22 Slope/aspect: 10% / SOUTH 



1994-06-22 Size (acres) : 15 



Location: 



CA. 1 AIR MILE NORTH OF RED BUTTE ON EAST SIDE OF RAWHIDE CREEK. 



, Element occurrence data: 



CA. 500 PLANTS, 80% VEGETATIVE, 2 0% FLOWERING. SOME ABORTED FLOWERS. 



General site description: 



DRY, OPEN SEDIMENTARY BASIN, LOWERSLOPE TO 30TTOM. TERTIARY SEDIMENT 

 PARENT MATERIAL, SILTY SOIL. ASSOCIATED SPECIES: ARTEMISIA TRIDENTATA, 

 AGROPYRON CRISTATUM, CHRYSOTHAMNUS NAUSEOSUS, ARTEMISIA NOVA, 

 ARTEMISIA FRIGIDA, ERIOGONUM OVALIFOLIUM. 



Land owner /manager : 



BLM: BUTTE DISTRICT, DILLON RESOURCE AREA 



Comments : 



NATIVE GRASSES ARE BEING REPLACED BY CRESTED WHEAT. EVIDENCE OF PAST, 

 BUT NOT RECENT, GRAZING WHICH, IF RENEWED, COULD ADVERSELY AFFECT 

 POPULATION. 



Information source: VANDERHORST, J. [BOTANIST]. 1515 LAKE STREET, 



OGDEN, UTAH 84401. 



Specimens: VANDERHORST, J. (5202). 1994. MONT. 



