Scientific Name: AGROPYRON SPICATUM-ORYZOPSIS HYMENOIDES PA 

 Common Name: BLUEBUNCH WHEATGRASS-INDIAN RICEGRASS ASSOCIATION 



Global rank: G3? Forest Service status: 

 State rank: S2? Federal Status: 



Element occurrence code: C6A2AAMBA0 . 002 



Survey site name: SANDY HOLLOW 



EO rank: A 

 EO rank comments: PRISTINE BADLANDS SITE. 



County: MADISON 



USGS quadrangle: BLOCK MOUNTAIN 



Township: 004S Range: 008W Section: 22 Precision: S 



Township-range comments: SE4SE4 



Survey date: 1991-07-29 Elevation: 5540 

 First observation: 1991 Slope/aspect: 55% / EAST 



Last observation: 1991-07-29 Size (acres) : 1 



Location: 



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

 TAKE THIS ROAD 7.5 MILES TO SANDY HOLLOW ROAD. TAKE THIS ROAD CA . 2 

 MILES AND PARK. PLOT IS JUST BELOW RIDGE CREST 0.15 MILE WEST. 



Element occurrence data: 



WITHIN PLOT, 21 SPECIES OBSERVED. DOMINANTS INCLUDE: ARTEMISIA 

 TRIDENTATA (TRACE CANOPY COVER) , ERIOGONUM MICROTHECUM (TRACE) , 

 GUTIERREZIA SAROTHRAE (1%), AGROPYRON SPICATUM (3%), AND ORYZOPSIS 

 HYMENOIDES (10%) . COMPLETE LIST ON FILE AT MONTANA NATURAL HERITAGE 

 PROGRAM. 



General site description: 



BREAKLAND; PLOT POSITION IS MID-SLOPE. CALCAREOUS SHALE PARENT 

 MATERIAL AND LITHIC USTIC TORRIORTHENT SOIL SUBGROUP. GROUND COVER: 

 BARE SOIL (20%) , TOTAL COARSE FRAGMENTS (80%) . 



Land owner/manager: 



BLM: BUTTE DISTRICT, DILLON RESOURCE AREA 



Comments : 



MTNHP PLOT #91RD045. SURVEY CONDUCTED BY R. L. DEVELICE. 



Information source: 



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

 PROGRAM, 1515 EAST 6TH AVE., HELENA, MT 59620. 



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