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 . 005 

 Element occurrence type: 



Survey site name: CLARK CANYON RESERVOIR 



EO rank: A 

 EO rank comments: 



County: BEAVERHEAD 



USGS quadrangle: GARFIELD CANYON 



Township: Range: Section: TRS comments: 

 010S 010W 6 NW4 



Precision: S 



Survey date: 1994-06-13 Elevation: 6000 - 6180 



First observation: 1994-06-13 Slope/aspect: 0-10% / SOUTH 



Last observation: 1994-06-13 Size (acres): 20 



Location: 



EXIT 1-15/91 AT CLARK CANYON RESERVOIR, FOLLOW PAVED ROAD ACROSS DAM, 

 PAST MARINA TO CAMP FORTUNATE LOOKOUT. SITE IS ON RIDGE ABOVE TURNOUT. 



Element occurrence data: 



100-500 PLANTS, 20% FLOWER BUD, 80% VEGETATIVE. 



# 



eneral site description: 



DRY, OPEN SEDIMENTARY RIDGE CREST. LIMESTONE PARENT MATERIAL, PLANTS 

 GROWING IN CRACKS IN ROCK. ASSOCIATED SPECIES: CERCOCARPUS LEDIFOLIUS, 

 ELYMUS SPICATUS, KOELERIA MACRANTHA, ARTEMISIA FRIGIDA, HYMENOPAPPUS 

 FILIFOLIUS, LESQUERELLA ALPINA, HAPLOPAPPUS ACAULIS. 



Land owner /manager : 



CLARK CANYON RESERVOIR 



Comments: 



Information source: VANDERHORST, J. [BOTANIST]. 1515 LAKE STREET, 



OGDEN, UTAH 84401. 



Specimens: 



