Scientific Name: ATRIPLEX NUTTALLII-ORYZOPSIS HYMENOIDES PA 

 Common Name: NUTTALL SALTBRUSH-INDIAN RICEGRASS ASSOCIATION 



Global rank: G3G4 Forest Service status: 

 State rank: S2? Federal Status: 



Element occurrence code: C4C1BBADA0. 001 



Survey site name: BUHRER GULCH 



EO rank: B 

 EO rank comments: SOMEWHAT DEGRADED BY CATTLE MOVEMENT 



ACROSS BADLANDS. 



County: MADISON 



USGS quadrangle: BLOCK MOUNTAIN 



Township: 004S Range: 008W Section: 28 Precision: S 



Township-range comments: NE4SW4 



Survey date: 1991-07-30 Elevation: 5120 

 First observation: 1991 Slope/aspect: 60% / SOUTHWEST 



Last observation: 1991-07-30 Size (acres) : 1 



Location: 



FROM GLEN, PROCEED SOUTH ON PAVEMENT CA. 0.7 5 MILE TO THE BURMA ROAD. 

 TAKE THIS ROAD 4.5 MILES AND PARK. THE PLOT IS IN THE PROMINENT 

 BADLANDS 0.4 MILE DUE NORTH. 



Element occurrence data: 



WITHIN PLOT, 13 SPECIES OBSERVED. DOMINANTS INCLUDE: ATRIPLEX 

 NUTTALLII (1% CANOPY COVER), CHRYSOTHAMNUS NAUSEOSUS (3%), ERIOGONUM 

 MICROTHECUM (TRACE) , ORYZOPSIS HYMENOIDES (TRACE) , AND SITANION 

 HYSTRIX (TRACE) . COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE 

 PROGRAM. 



General site description: 



BREAKLAND; PLOT POSITION IS MID-SLOPE. SILTSTONE PARENT MATERIAL AND 

 LITHIC USTIC TORRIORTHENT SOIL SUBGROUP. GROUND COVER: BARE SOIL 

 (60%), TOTAL COARSE FRAGMENTS (40%). 



Land owner/manager: 



BLM: BUTTE DISTRICT, DILLON RESOURCE AREA 



Comments : 



MTNHP PLOT #91RD04 6. 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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