Scientific Name: CERCOCARPUS LEDIFOLIUS/FESTUCA IDAHOENSIS PA 

 Common Name: CURL-LEAF MOUNTAIN MAHOGANY/ IDAHO FESCUE ASSOCIATION 



Global rank: 

 State rank: 



G2? Forest Service status; 

 S2? Federal Status; 



Element occurrence code; 



C3B4AHABM0.001 



Survey site name; 



EO rank: 



EO rank comments: 



CHARCOAL CREEK WATER TANK 



BC 



HIGH COVER OF BROMUS TECTORUM SUGGESTS 



HEAVY GRAZING IN THE PAST. NO RECENT 



EVIDENCE OF CATTLE USE. 



County: SILVER BOW 



USGS quadrangle: DEWEY 



Township: OOIS Range: OlOW Section: 12 

 Township-range comments: NW4NW4 



Survey date: 



First observation: 



Last observation: 



1991-06-17 



1991 



1991-06-17 



Elevation: 6180 

 Slope/aspect: 45% 

 Size (acres) : 1 



Precision; 



/ SOUTHEAST 



Location: 



FROM DIVIDE, PROCEED WEST ON STATE HIGHWAY 4 3 1.5 MILES TO A Y IN THE 

 ROAD, JUST BEFORE A BRIDGE ACROSS THE BIG HOLE RIVER. TAKE THE 

 RIGHT-HAND ROAD (DON'T CROSS THE BRIDGE) AND PROCEED 0.6 MILE TO A 

 SMALL TOWNSITE AND DIRT ROAD LEADING NORTH UP CHARCOAL CREEK. TAKE 

 THIS ROAD 1.1 MILES AND PARK. THE SITE IS JUST SOUTH OF WATER TANK, 

 0.3 MILE TO THE WEST. 



Element occurrence data: 



WITHIN PLOT, 21 SPECIES OBSERVED. DOMINANTS INCLUDE: CERCOCARPUS 

 LEDIFOLIUS (20% CANOPY COVER), ARTEMISIA TRIDENTATA (3%), AGROPYRON 

 SPICATUM (30%), BROMUS TECTORUM (30%), AND FESTUCA IDAHOENSIS (10%). 

 COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. 



General site description: 



RESIDUAL MOUNTAIN SLOPE; PLOT POSITION IS MID-SLOPE. GRANITE PARENT 

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

 (3%) , TOTAL COARSE FRAGMENTS (43%) . 



Land owner/manager: 



BLM: BUTTE DISTRICT, HEADWATERS RESOURCE AREA 



Comments : 



MTNHP PLOT #91RD023. SURVEY CONDUCTED BY R. L. DEVELICE. 



Information source: 



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

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



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