Element Occurrence Record 

 Allotropa virgata 



occurrence number: 005 



Global rank: 

 State rank: 



G4 

 SI 



Forest Service status: 

 Federal Status: 



SENSITIVE 



Survey site name: 



EO rank: 



EO rank comments: 



ST. MARY PEAK 



B 



EXTENSIVE POPULATION IN GOOD CONDITION, 



POPULATION ON SILVERTHORN CREEK 



ADJACENT TO AND WITHIN CLEAR-CUTS. 



County: RAVALLI 



USGS quadrangle: SAINT MARY PEAK 

 VICTOR 



Township: 009N Range: 021W Section: 26 Precision: S 

 Township-range comments: SW4 , SE4NE4 , 25NW4 , 35NW4NW4 



Survey date: 



First observation: 



Last observation: 



1991-08-28 



1965 



1991-08-28 



Elevation: 6900 

 Slope/aspect: 10-40 

 Size (acres) : 60 



/ EAST, SOUTH 



»ocation : 

 2 MILES SE OF ST. MARY PEAK (BITTERROOT RANGE) , ON SLOPES NORTH OF 

 THE OUTHOUSE, AND ON BOTH SIDES OF THE TRAIL FOR CA . THE FIRST 0.5 

 MILE. ALSO JUST NORTH OF ROAD AFTER IT PASSES OVER SILVERTHORN CREEK. 



Element occurrence data: 



1991: CA. 88 STEMS IN ST. MARY PEAK SUBPOPULATION , AND 23 PLANTS IN 

 SILVERTHORN CREEK SUBPOPULATIONS . 1965: ONE PLANT IN FLOWER. 



General site description: 



ABIES LASIOCARPA HABITAT TYPE. OLD (175 YEARS) PINUS CONTORTA 

 DOMINATED FOREST WITH: PSEUDOTSUGA MENZIESII (OLD) , ABIES LASIOCARPA 

 (SEEDLINGS AND SAPLING AGED), MENZIESIA FERRUGINEA, VACCINIUM 

 SCOPARIUM, XEROPHYLLUM TENAX, HEDYSARUM OCCIDENTALE AND GOODYERA 

 OBLONGIFOLIA. 



Land owner/manager: 



BITTERROOT NATIONAL FOREST, STEVENSVILLE RANGER DISTRICT 



Comments: 



VERY FEW ALLOTROPA VIRGATA PLANTS PER ACRE. VOUCHER - STICKNEY, P. F, 

 (100B) , 1965, (MRC) . 



Information source: 



ROE, LISA S. MONTANA NATURAL HERITAGE PROGRAM, 1515 EAST SIXTH AVE., 

 HELENA, MT 59620. (485, 486). 1991. MONT. 



