Scientific Name: CYPERUS SCHWEINITZII 

 Common Name: SCHWEINITZ' FLATSEDGE 



Global rank: G5 

 State rank: SI 



Forest Service status: 

 Federal Status: 



Element occurrence code: 

 Element occurrence type: 



PMCYP06360.006 



Survey site name: 



EO rank: 



EO rank comments: 



PINE HILL 



MEDIUM SIZED POPULATION; TOPOGRAPHIC POSITION 

 PROTECTS FROM HEAVY GRAZING. 



County: CARTER 



USGS quadrangle: MILL IRON 



Township: Range: Section: TRS comments: 

 OOIN 061E 33 SW4NW4 



Precision: S 



Survey date: 1997-07-03 



First observation: 1997-07-03 



Last observation: 1997-07-03 



Elevation: 3300 - 

 Slope/aspect: 30%/SOUTH 

 Size (acres) : 1 



Location: 



PINE HILL: CA. 4.25 AIR MILES SOUTHEAST OF MILL IRON (COAL CREEK 



SCHOOL), ABOUT 0.75 MILE WEST-NORTHWEST OF PINE HILL SCHOOL. ROAD OFF 



COUNTY ROAD AT PINE HILL SCHOOL GIVES ACCESS TO BLM LAND. 



Element occurrence data: 



CA. 100 FLOWERING STEMS (RHIZOMATOUS) . 



General site description: 



AREA COMPOSED OF DISSECTED, ROLLING UPLANDS WITH ROCK OUTCROPS AND 

 MESAS. PLANTS ON DRY, OPEN, UPPER SLOPE IN SANDY, ROCKY SOIL OVER 

 SANDSTONE PARENT. STIPA COMATA/CAREX FILIFOLIA, ANDROPOGON 

 SCOPARIUS/CALAMOVILFA LONGIFOLIA, ROCK OUTCROP ECOTONE HT. ASSOCIATED 

 PLANTS INCLUDE ANDROPOGON SCOPARIUS, STIPA COMATA, CALAMOVILFA 

 LONGIFOLIA, CAREX FILIFOLIA, PINUS PONDEROSA, YUCCA GLAUCA, BROMUS 

 TECTORUM, AND FILAGO ARVENSIS. 



Land owner/manager: 



BLM: MILES CITY DISTRICT, POWDER RIVER RESOURCE AREA 



Comments : 



OBSERVED BY J. VANDERHORST. INTENSE SHEEP GRAZING IN VICINITY, BUT 

 SMALLER DRAINAGES, STEEPER SLOPES ARE LESS AFFECTED. 



Information source: VANDERHORST, J. [BOTANIST]. P.O. BOX 1026, TROY, 

 MT 59935. 



Specimens: VANDERHORST, J. (5692). 1997. MONT, 



