MONTANA NATURAL HERITAGE PROGRAM 



Element Occurrence Record 



Allotropa virqata 



Occurrence # 031 



Survey site name: STEVENSON CREEK TRAIL 



EO rank: AB 

 EO rank comments: MODERATELY LARGE POPULATION ALONG 



HEAVILY-USED ERODING TRAIL; CLEARCUTS 



NEARBY. 



County: BEAVERHEAD 



USGS quadrangle: ELK CREEK 



Tov/nship: Range: Section: TRS comments: 



002S 018W 24 S2NW4,NE4SW4,E2SE4 



Survey date: 1992-09-02 Elevation: 6600 -7400 

 First observation: 1992-09-02 Slope/aspect: 5-25% / W-N, MOSTLY NW 

 Last observation: 1992-09-02 Size (acres) : 60 



Location: 



BITTERROOT MOUNTAINS, SOUTH OF MAY CREEK CAMPGROUND. FROM WISDOM GO 

 WEST CA. 18 MILES ON HIGHWAY 43 TO STEVENSON CREEK TRAIL; SITE IS FROM 

 CA. 0.2 TO 1.0 MILES SOUTHEAST OF CAMPGROUND. 



jpiement occurrence data: 



102 PLANTS (26 WITH 71 LIVE AND 113 DEAD STEMS, 44 WITH 95 LIVE STEMS, 

 AND 32 WITH 107 DEAD STEMS), 376 STEMS TOTAL (166 LIVE AND 210 DEAD). 

 6 LIVE STEMS AND 1 DEAD STEM GRAZED. 10% IN FLOWER, 90% IN FRUIT. 



General site description: 



OPEN TO VERY OPEN PINUS PONDEROSA-VACCINIUM SCOPARIUM ASSOCIATION WITH 

 A SIGNIFICANT AMOUNT OF PSEUDOTSUGA MENZIESII. MUCH OPEN GROUND, 

 LITTER AND DEAD WOOD; DRY SILTY SLOPING RIDGE, EVIDENCE OF PAST FIRE, 

 WITH LICHENS, SPIRAEA BETULIFOLIA, CALAMAGROSTIS RUBESCENS, VACCINIUM 

 GLOBULARE, CAREX GEYERI , HYPOPITYS MONOTROPA, CHIMAPHILA UMBELLATA, 

 ANTENNARIA SP., XEROPHYLLUM TENAX AND EPILOBIUM ANGUSTIFOLIUM. 



Land owner/manager: 



BEAVERHEAD NATIONAL FOREST, WISDOM RANGER DISTRICT 



Comments: 



Information source: 



POOLE, J. M. 1992. [FIELD SURVEYS TO SAPPHIRE AND ANACONDA RANGES, 

 DEERLODGE NATIONAL FOREST, OF JULY 13, 15-18.] 



