Element Occurrence Record 

 Allotropa virqata 



19 



Tccurrence number: 006 



Global rank: 

 State rank: 



G4 

 SI 



Forest Service status: SENSITIVE 

 Federal Status: 



Survey site name: NELSON CREEK RIDGE 



EO rank: B 

 EO rank comments: POPULATION IS NOT LARGE. 



County: RAVALLI 



USGS quadrangle: BOULDER PEAK 



Township: 001N Range: 022W Section: 21 

 Township-range comments: SW4 



Precision: S 



Survey date: 



First observation: 



Last observation: 



1991-08-31 Elevation: 7680 



1975 Slope/aspect: 25-30 % / ESE 



1991-08-31 Size (acres) : 3 



Location : 



BITTERROOT MOUNTAINS, NELSON CREEK RIDGE, 4 MILES WEST OF WEST FORK 

 RANGER STATION. 



Rlement occurrence data: 



1991: 25 STEMS IN 5 CLUMPS. 1975: ONE PLANT, IN FRUIT. 



General site description: 



LODGEPOLE PINE FOREST ON SOUTH-FACING SLOPE, ABLA/XETE HABITAT TYPE, 

 WITH PINUS CONTORTA, PSEUDOTSUGA MENZIESII, MENZIESIA FERRUGINEA, 

 VACCINIUM SCOPARIUM, SPIRAEA BETULIFOLIA, XEROPHYLLUM TENAX, 

 PEDICULARIS CONTORTA, HIERACIUM ALBIFLORUM AND CHIMAPHILA UMBELLATA. 

 ABIES LASIOCARPA SEEDLINGS AND SAPLINGS. 



Land owner/manager: 



BITTERROOT NATIONAL FOREST, WEST FORK RANGER DISTRICT 



Comments : 



STEVE ARNO'S ORIGINAL LOCATION WAS GIVEN AS 7000 FEET. PLANTS WERE NOT 

 LOCATED AT THIS ELEVATION; SITE WAS PROBABLY HIGHER. VOUCHER - ARNO , 

 S.F. (1324) , 1975, (MRC) . 



Information source: 



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

 HELENA, MT 59620. (487). 1991. MONT. 



