Scientific Name: ARTEMISIA TRI PARTITA/ FESTUCA IDAHOENSIS PA 

 Common Name: THREETIP SAGEBRUSH/ IDAHO FESCUE ASSOCIATION 



Global rank: G5 Forest Service status: 

 State rank: S3 Federal Status: 



Element occurrence code: C5B2BHABA0. 004 



Survey site name: CENTENNIAL SANDHILLS WEST #1 



EO rank: B 

 EO rank comments: DISTURBED BY CATTLE, BUT BASICALLY A 



SITE IN GOOD CONDITION. 



County: BEAVERHEAD 



USGS quadrangle: LOWER RED ROCK LAKE 



Township: 013S Range: 002W Section: 22 Precision: S 



Township-range comments: NW4NE4 



Survey date: 1991-07-23 Elevation: 6700 

 First observation: 1991 Slope/aspect: 3% / SOUTHWEST 



Last observation: 1991-07-23 Size (acres) : 160 



Location: 



FROM MONIDA, PROCEED EAST ON MAIN GRAVEL ROAD CA. 10 MILES TO A DIRT 

 ROAD LEADING NORTH. TAKE THIS ROAD 3 MILES TO A T INTERSECTION. STAY 

 ON THE MOST PROMINENT ROAD LEADING EAST FOR 16.5 MILES TO A Y 

 INTERSECTION. TAKE LEFT-HAND ROAD AT Y AND PROCEED CA. 0.8 5 MILE TO A 

 FENCE. PLOT IS ON KNOLL CA. 0.15 MILE SOUTHEAST. 



Element occurrence data: 



WITHIN PLOT, 23 SPECIES OBSERVED. DOMINANTS INCLUDE: ARTEMISIA 

 TRIPARTITA (30% CANOPY COVER), TETRADYMIA CANESCENS (3%), FESTUCA 

 IDAHOENSIS (50%), STIPA COMATA (30%), AND LUPINUS ARGENTEUS (10%). 

 COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. 



General site description: 



ROLLING UPLAND; PLOT POSITION IS NARROW RIDGE. SAND DUNES PARENT 

 MATERIAL AND TYPIC USTIPSAMMENT SOIL SUBGROUP. GROUND COVER: BARE SOIL 

 (30%), TOTAL COARSE FRAGMENTS (0%). 



Land owner/manager: 



BLM: BUTTE DISTRICT, DILLON RESOURCE AREA 



Comments: 



MTNHP PLOT #91RD035. SURVEY CONDUCTED BY R. L. DEVELICE, J. WARD, AND 

 L. WARD-DEVELICE. ERIOGONUM OVALIFOLIUM VAR. CELSUM PRESENT ON SITE. 



Information source: 



DEVELICE, ROBERT L. [COMMUNITY ECOLOGIST] . MONTANA NATURAL HERITAGE 

 PROGRAM, 1515 EAST SIXTH AVE., HELENA, MT 59620. 



133 



