scientific Name: ARTEMISIA TRIDENTATA/FESTUCA IDAHOENSIS PA 

 Common Name: BIG SAGEBRUSH/ IDAHO FESCUE ASSOCIATION 



Global rank: G5 Forest Service status: 

 State rank: 34 Federal Status: 



Element occurrence code: C5B2BGABA0 . 015 



Survey site name: CENTENNIAL SANDHILLS - EAST #2 



EO rank: BC 

 EO rank comments: SITE HAS APPARENTLY BEEN DEGRADED BY 



CATTLE GRAZING. 



County: BEAVERHEAD 



USGS quadrangle: LOWER RED ROCK LAKE 



Township: 013S Range: OOIW Section: 19 Precision: S 



Township-range comments: NW4SE4 



Survey date: 1991-07-24 Elevation: 6680 

 First observation: 1991 Slope/aspect: 1% / EAST 



Last observation: 1991-07-24 Size (acres) : 320 



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 A RIGHT AT THE Y AND PROCEED SOUTH AND EAST CA . 4.5 

 MILES TO A JEEP ROAD LEADING NORTH. PARK. PLOT IS 0.5 MILE NNE . 



Element occurrence data: 



WITHIN PLOT, 2 7 SPECIES OBSERVED. DOMINANTS INCLUDE: ARTEMISIA 

 TRIDENTATA (30% CANOPY COVER), CHRYSOTHAMNUS NAUSEOSUS (3%), FESTUCA 

 IDAHOENSIS (40%), KOELERIA CRISTATA (3%), AND STIPA COMATA (30%). 

 COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. 



General site description: 



ROLLING UPLAND; PLOT POSITION IS MID-SLOPE. SAND DUNES PARENT MATERIAL 

 AND TYPIC USTIPSAMMENT SOIL SUBGROUP. GROUND COVER: BARE SOIL (40%) , 

 TOTAL COARSE FRAGMENTS (0%) . 



Land owner/manager: 



STATE LAND - UNDESIGNATED 



Comments: 



MTNHP PLOT #91RD039. SURVEY CONDUCTED BY R. L. DEVELICE. CA. 50% OF 

 THE ARTEMISIA TRIDENTATA STEMS PRESENT ARE DEAD. MOST OF THE LIVING A. 

 TRIDENTATA HAVE NUMEROUS DEAD BRANCHES. ERIOGONUM OVALIFOLIUM VAR. 

 CELSUM PRESENT ON SITE. 



Information source: 



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

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



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