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ELEMENT OCCURRENCE RECORD 

 Astragalus molvbdenus (Leadville milk-vetch) 



Occurrence nvimber: 008 



Global rank: G3 Forest Service status: SENSITIVE LIST 

 State rank: SI USFWS Status: NONE 



Survey site name: OLD BALDY 



EO rank: A 

 EO rank comments: LARGE COLONIES IN UNDISTURBED ALPINE 

 AREA. 



County: TETON 



USGS quadrangle: OUR LAKE 



Township-range: 024N OlOW Section: 01, E2 



Survey date: 1989-08-23 Elevation: 7420 

 First observation: 1989 Slope/aspect: 8-35+% / N, NW 



Last observation: 1989-08-23 Size (acres) : 10 



Location : 



SAWTOOTH RANGE, NORTH SLOPES OF OLD BALDY, CENTERED 0.65 



AIR MI. NORTH OF SUMMIT SADDLE, MIDDLE FORK NORTH FORK TETON RIVER. 



Element occurrence data: 



THREE COLONIES; EXTENSIVE VEGETATIVE SPREADING, BUT LITTLE FLOWERING 

 AND FRUITING; POPULATION SIZE DIFFICULT TO ESTIMATE. 



General site description: 



ALPINE SCREE AND DRYAS OCTOPETALA MATS, LIMESTONE SUBSTRATE; WITH 

 CLAYTONIA MEGARHIZA, SMELOWSKIA CALYCINA, ' ANDROSACE LEHMANNIANA, 

 HEDYSARUM SULPHURESCENS , KOBRESIA BELLARDII, ANTENNARIA AROMATICA, 

 ARCTOSTAPHYLOS UVA-URSI, SAXIFRAGA BRONCHIALIS, DOUGLASIA MONTANA. 



Land owner/manager: 



LEWIS & CLARK NATIONAL FOREST, ROCKY MOUNTAIN RANGER DISTRICT 



Comments : 



VOUCHER-SHELLY, J.S. (1609) & L.A. SCHASSBERGER, NY, 1989. 



Information source: 



SHELLY, J.S. 1989. FIELD SURVEYS IN TETON COUNTY, 7-10, 21-23, AND 

 2 8-30 AUGUST. 



Montana Natural Heritage Program 



