MONTANA NATURAL HERITAGE PROGRAM 

 Element Occurrence Record 



Scientific Name: SPHAEROMERIA CAPITATA 

 Common Name: ROCK-TANSY 



Global rank: G3 Forest Service status: 

 State rank: S2S3 Federal Status: 



Element occurrence code: PDAST8S030 . 004 

 Element occurrence type: 



Survey site name: CLARK CANYON RESERVOIR 



EO rank: B 

 EO rank comments: DOMINANT ON ROCK PAVEMENT. 



County: BEAVERHEAD 



USGS quadrangle: RED ROCK 



Township: Range: Section: TRS comments: 

 OlOS OlOW 31 NE4NE4 



Precision: S 



Survey date: 1993-06-11 Elevation: 6000 



First observation: 1993-06-11 Slope/aspect: LEVEL 



Last observation: 1993-06-11 Size (acres) : 5 



Location: 



TAKE RED ROCK EXIT OFF 1-15 AND GO NORTH ON GRAVEL ROAD TO CLARK 

 CANYON RESERVOIR. CA. 1.5 MILES PAST RED ROCK FISHING ACCESS TURN LEFT 

 (SOUTH) ON JEEP TRAIL. KEEP LEFT ON TRAIL AND CONTINUE CA. 1 MILE TO 

 SADDLE. POPULATION IS ON HILLTOPS ABOVE SADDLE. 



Element occurrence data: 



100+ PLANTS, ALL IN BUD. 



General site description: 



DRY, OPEN CREST OF SEDIMENTARY FOOTHILLS. LIMESTONE PARENT MATERIAL. 

 ASSOCIATED SPECIES: PETROPHYTON CAESPITOSUM, SPHAEROMERIA CAPITATA, 

 HAPLOPAPPUS ACAULIS, ERIGERON COMPOSITUS, DELPHINIUM SP., KOELERIA 

 MACRANTHA, SENECIO CANUS , ERYSIMUM ASPERUM. 



Land owner /manager : 



BLM: BUTTE DISTRICT, DILLON RESOURCE AREA 



Comments: 



SUBDIVISION BELOW SITE, BUT PLANT COMMUNTIY RELATIVELY UNDISTURBED. 

 COMPLETE SURVEY OF ELEMENT NOT CONDUCTED. 



Information source: VANDERHORST, J. 1993. [MTNHP FIELD SURVEYS IN THE 

 TENDOY MOUNTAINS FOR THE BUREAU OF LAND 



MANAGEMENT. ] 



Specimens: VANDERHORST, J. (4952). 1993. MONT. 



