April 4, 1994 



MONTANA NATURAL HERITAGE PROGRAM 

 Element Occurrence Record 



Scientific Name: HALIMOLOBOS VIRGATA 

 Common Name: TWIGGY HALIMOLOBOS 



Global rank: G2G3 Forest Service status: 

 State rank: 52 Federal Status: 3C 



Element occurrence code: PDBRA1A04 0. 002 

 Element occurrence type: 



Survey site name: SV7EETGRASS HILLS 



EO rank: BC 

 EO rank comments: FAIR POPULATION SIZE AND HABITAT CONDITION. 



County: LIBERTY 



USGS quadrangle: BINGHAM LAKE 



Township: Range: Section: TRS comments: 

 036N 005E 08 SE4NE4 



Precision: S 



Survey date: 1993-05-30 Elevation: 4740 - 



First observation: 1993-05-30 . Slope/aspect: 2-5% / EAST 



Last observation: 1993-05-30 Size (acres) : 5 



Location: 



SWEETGRASS HILLS, EAST BUTTE AREA, ABOVE SAGE CREEK ON SANDSTONE BENCH 

 SKIRTED BY ROAD; ACROSS FROM BLACK JACK BUTTE. 



Element occurrence data: 

 200-300 PLANTS. 



General site description: 



FOOTHILLS GRASSLAND ON SANDSTONE BENCH DOMINATED BY DRY PHASE OF 

 POTENTILLA FRUTICOSA/FESTUCA IDAHOENSIS - AGROPYRON DASYSTACHYUM. LONG 

 GRAZING HISTORY AT MODERATE LEVELS. ASSOCIATED SPECIES: OXYTROPIS 

 SERICEA, CERASTIUM ARVENSE, ARTEMISIA FRIGIDA, LESQUERELLA ALPINA, POA 

 CUSICKII. 



Land owner/manager: 



PRIVATELY OWNED LAND (INDIVIDUAL OR CORPORATE) 



Comments: 



THE SPECIES MAY BE ACTING AS AN INCREASER UNDER LIVESTOCK GRAZING AT 

 THIS SITE, BUT IS NOT ADVENTIVE (SEE OCCURRENCE RECORD #001). 



Information source: HEIDEL, B. L. 1993. [hTTNHP SENSITIVE PLANT SURVEYS 

 IN THE SWEETGRASS HILLS CONDUCTED FOR THE BUREAU 

 % OF LAND MAl^AGEMENT . ] 



Specimens: HEIDEL, B. L. (1010). 1993. MONTU, MONT. 



