MONTANA NATURAL HERITAGE PROGRAM 

 Element Occurrence Record 



Scientific Name: ASTRAGALUS ARGOPHYLLUS VAR ARGOPHYLLUS 

 Common Name: SILVERLEAF MILK-VETCH 



Global rank: G5T4 Forest Service status: 

 State rank: SI Federal Status: 



Element occurrence code: PDFABOFOSl . 003 

 Element occurrence type: 



Survey site name: ELK CREEK ALKALINE MEADOW 



EO rank: 

 EO rank comments: 



County: BEAVERHEAD 



USGS quadrangle: ELK SPRINGS 



Township: Range: Section: TRS comments: 

 013S OOIW 36 SE4 



Precision: S 



Survey date: 1987-06-06 Elevation: 6640 



First observation: 1987 Slope/aspect: 



Last observation: 1987-06-06 Size (acres) : 5 



Location: 



CENTENNIAL VALLEY, RED ROCK LAKES NATIONAL WILDLIFE REFUGE, 0.2 MILE 

 WEST OF ROAD TO ELK LAKE, CA. 0.5 MILE NORTH OF ELK CREEK. 



Element occurrence data: 



UNKNOWN; SITE IS SMALL (2-5 ACRES) ; SOME EVIDENCE OF LIVE- STOCK 

 GRAZING; AREA BURNED RECENTLY, POTENTILLA IS RESPROUT- ING. 



General site description: 



HUMMOCKY, MOIST ALKALINE MEADOW, DOMINATED BY POTENTILLA FRUTICOSA, 

 JUNCUS BALTICUS, PHLOX KELSEYI. 



Land owner /manager : 



RED ROCK LAKES NATIONAL WILDLIFE REFUGE 



Comments : 



Information source: LESICA, PETER. DIVISION OF BIOLOGICAL SCIENCES, 



UNIVERSITY OF MONTANA, MISSOULA, MT 59812. 



Specimens: 



