Scientific Name: ERIOGONUM VISHERI 

 Conunon Name: DAKOTA BUCKWHEAT 



Global rank: G3 

 State rank: SI 



Forest Service status: 

 Federal Status: 



Element occurrence code: PDPGN086A0 . 001 

 Element occurrence type: 



Survey site name: EASTERN POWDER RIVER BREAKS 

 EO rank: A 



County: CARTER 

 USGS quadrangle: 



BLACKTAIL CREEK SW 



Township: Range: 

 OOIS 055E 



Section; 

 9 



TRS comments: 

 SW4NE4, SE4; 16 NE4 



Precision: S 

 Survey date: 



First observation: 1997-06-06 



Last observation: 1997-07-12 



Elevation: 3110 - 



Slope/aspect: 0-20% / SOUTH AND WEST 



Size (acres) : 40 



Location: 



8.25 MILES EAST OF POWDERVILLE ON BOTH SIDES OF POWDERVILLE ROAD WHERE 

 IT CROSSES THE DIVIDE BETWEEN DRY CREEK AND WHITETAIL CREEK. 



Element occurrence data: 



97-07-12: FURTHER EXPLORATION OF VICINITY; CA. 1000 PLANTS IN 4 

 SUBPOPULATIONS, 100% IN FLOWER. 97-06-06: OVER 100 PLANTS IN TWO 

 SEPARATE OUTWASH FANS. REPRODUCTION APPEARS GOOD-EXCELLENT AROUND LAST 

 YEAR'S PARENT PLANTS. FLOWERING BARELY BEGAN 06-06-97. EXTENT OF 

 POPULATION UNDETERMINED. 



General site description: 



SPARSELY VEGETATED OUTWASH FLATS BELOW ERODING BENTONITE BADLAND 

 SLOPES IN THE HELL CREEK FORMATION DOMINATED BY ATRIPLEX CONFERTIFOLIA 

 AND ARTEMISIA TRIDENTATA. DENSITY OF MUSINEON DIVARICATUM AND ALLIUM 

 TEXTILE IS VERY HIGH. OTHER ASSOCIATED SPECIES INCLUDE AGROPYRON 

 DASYSTACHYUM, SITANION HYSTRIX, SARCOBATUS VERMICULATUS, 

 KRASCHENINIKOVIA LANATA, ORYZOPSIS HYMENOIDES, OENOTHERA CAESPITOSA, 

 AND ATRIPLEX SUCKLEYI . SUBSTRATES ARE VESICULAR SILT. 



Land owner /manager : 



BLM: MILES CITY DISTRICT, POWDER RIVER RESOURCE AREA 



Comments : 



LIGHT, INFREQUENT GRAZING. 



Information source: 



Specimens: VANDERHORST, J. (5732). 1997. MONT. 

 VANDERHORST, J. (5732). 1997. MONTU. 

 HEIDEL, B. AND S. COOPER. 1997. (1540). MONT. 



