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: PDFAB0F7V0 . 012 

 Element occurrence type: 



Survey site name: KATE CREEK 



EO rank: B 

 EO rank comments: ONLY A FEW PLANTS WITH VIABLE FRUIT; AREA 

 MODERATELY GRAZED. 



County: BEAVERHEAD 



USGS quadrangle: DEER CANYON 



Township: Range: Section: TRS comments: 

 012S OllW 19 NE4; 20NW4 



Precision: S 



Survey date: 1994-07-28 Elevation: 6920 - 7160 



First observation: 1994-07-28 Slope/aspect: 



Last observation: 1994-07-28 Size (acres): 7 



Location: 



CA. 0.4 MILES UP KATE CREEK FROM MEDICINE LODGE CREEK ROAD. PLANTS ARE 

 ON SLOPES TO WEST OF CREEK AND ROAD. OBTAIN PERMISSION TO ACCESS FROM 

 HANSEN RANCH. 



Element occurrence data: 



2 SUBPOPULATIONS WITH CA. 500-1000 PLANTS TOTAL. 15% VEGETATIVE, 15% 

 MATURE FRUIT, 70% WITH ABORTED FLOWERS OR BROWSED HEADS. 



General site description: 



DRY RESIDUAL SLOPES. LIMESTONE AND VOLCANIC PARENT MATERIAL. FINE 

 SOIL. ASSOCIATED SPECIES: ARTEMISIA TRIDENTATA, ELYMUS SPICATUS, 

 FESTUCA IDAHOENSIS, PINUS FLEXILIS, CHRYSOTHAMNUS NAUSEOSUS, IVESIA 

 GORDONII, ORYZOPSIS HYMENOIDES, ALLIUM TEXTILE, ASTRAGALUS DRUMUNDII, 

 ASTRAGALUS ADSURGENS, SENECIO STREPTANTHIFOLIUS . 



Land owner /manager: 



BEAVERHEAD NATIONAL FOREST, DILLON RANGER DISTRICT 



Comments: 



BADGER DIGGINGS, BROWSED HEADS, AND CATTLE IN DRAINAGE ON DATE OF 

 SURVEY. POOR FRUIT PRODUCTION, PROBABLY DUE TO DROUGHT. LARGER (BUT 

 FEWER) PLANTS WITH RIPENED FRUIT MOSTLY IN LOWER SUBPOPULATION ON 

 VOLCANIC ROCK TYPE. 



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

 OGDEN, UTAH 84401. 



Specimens: 



50 



