Scientific Name: PINUS FLEXILIS/CERCOCARPUS LEDIFOLIUS PA 

 Common Name: LIMBER PINE/ CURL-LEAF MOUNTAIN MAHOGANY ASSOCIATION 



Global rank: G3? 

 State rank: S3? 



Forest Service status; 

 Federal Status; 



Element occurrence code; 



C2A2ADABM0.003 



Survey site name: 



EO rank: 



EO rank comments: 



SCUDDER CREEK EXCLOSURE 



B 



THE SITE HAS NOT BEEN GRAZED SINCE 1963 



BUT IS SURROUNDED BY HEAVILY BROWSED 



LANDS. 



County: BEAVERHEAD 



USGS quadrangle: POLARIS 



Township: 006S Range: 012W Section: 20 

 Township-range comments: NE4NE4 



Precision; 



Survey date: 



First observation: 



Last observation: 



1991-07-08 



1991 



1991-07-08 



Elevation: 6680 

 Slope/aspect: 18% / EAST 

 Size (acres) : 5 



Location: 



FROM EXIT #59 ON INTERSTATE 15, PROCEED WEST ON HIGHWAY 278 FOR 25 

 MILES TO THE POLARIS TURNOFF. TAKE THE GRAVEL POLARIS ROAD 2 MILES 

 NORTH TO A JEEP TRAIL LEADING EAST (THROUGH A GATE) . TAKE THIS JEEP 

 TRAIL 1.3 MILES TO A FAINT JEEP TRAIL LEADING SOUTH. PARK AND WALK 

 0.2 5 MILE SOUTH ON THE TRAIL. THE EXCLOSURE IS ON THE RIDGE TO THE 

 EAST. 



Element occurrence data: 



WITHIN PLOT, 3 SPECIES OBSERVED. DOMINANTS INCLUDE: PINUS FLEXILIS 

 (TRACE CANOPY COVER), JUNIPERUS SCOPULORUM (1%), CERCOCARPUS 

 LEDIFOLIUS (40%), CHRYSOTHAMNUS NAUSEOSUS (3%), AND CAREX ROSSII 

 (20%) . COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE PROGRAM. 



General site description: 



STRUCTURALLY CONTROLLED MOUNTAIN SLOPE; PLOT POSITION IS NARROW RIDGE. 

 LIMESTONE PARENT MATERIAL AND LITHIC USTORTHENT SOIL SUBGROUP. GROUND 

 COVER: BARE SOIL (20%) , TOTAL COARSE FRAGMENTS (13%) . 



Land owner/manager: 



BLM: BUTTE DISTRICT, DILLON RESOURCE AREA 



Comments: 



MTNHP PLOT #91RD026. SURVEY CONDUCTED BY R. L. DEVELICE. EXCLOSURE 

 ESTABLISHED IN 1963 ( PERS . COMM. , JACK JONES, BLM, BUTTE). CA. 20% OF 

 THE CERCOCARPUS LEDIFOLIUS PLANTS PRESENT ARE DEAD. LESQUERELLA 

 (PAYSONII?) PRESENT ON SITE. AN ADDITIONAL PLOT OF THIS TYPE WAS 

 ESTABLISHED CA. 0.25 MILE NORTH OF SITE (#91RD034). 



Information source: 



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

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



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