January 4, 1994 



MONTANA NATURAL HERITAGE PROGRAM 

 Element Occurrence Record 



Scientific Name: ARABIS FECUNDA 

 ^Common Name: SAPPHIRE ROCKCRESS 



Global rank: G2 

 State rank: S2 



Forest Service status: SENSITIVE 

 Federal Status: C2 



Element occurrence code: PDBRA06290 . 01! 

 Element occurrence type: 



Survey site name: MOOSE TOWN 



EO rank: 

 EO rank comments: 



County: SILVER BOW 



USGS quadrangle: MOUNT HUMBUG 



Township: Range; 

 OOIS 008W 

 OOIN 008W 



Section: 

 03 

 35 



TRS comments: 

 S2, NW4; 10 N2 

 SW4 



Precision 



Survey date 



First observation 



Last observation 



W Location: 



FROM HIGHLAND ROAD 

 MALONEY PARK 



1992-06-26 Elevation: 6700 - 7000 

 1992-06-26 Slope/aspect: 045% / SOUTH 

 1992-06-26 Size (acres) : 35 



TAKE MOOSE TOWN ROAD SOUTHWEST CA. 2 MILES TO 

 SITE IS ON BLUFFS NORTH OF MOOSE CREEK. 



Element occurrence data: 



1000-5000 INDIVIDUALS, FRUITING, EVIDENCE OF SEED DISPERSAL IN LARGEST 

 SUBPOPULATION. ADDITIONAL SUBPOPULATION CA. 1.5 MILES NORTHWEST: 2000 

 PLANTS, FRUITING, MANY SMALL PLANTS AS EVIDENCE OF REPRODUCTIVE 

 SUCCESS. THIRD SUBPOPULATION CA. 1 MILE NNW: 100-2000 STEMS, FRUITING, 

 MATURE FRUIT AND SMALL PLANTS PRESENT. 



General site description: 



OPEN TO PARTIALLY SHADED EXPOSURE ON UNDULATING AND CONVEX SLOPES. DRY 

 AREAS LOWER TO MIDSLOPE; SANDY SOIL OF CALCAREOUS METASEDIMENT PARENT 

 MATERIAL AND POSSIBLY DOLOMITE. ASSOCIATED DOMINANT SPECIES: AGROPYRON 

 SPICATUM, PHLOX MUSCOIDES, HAPLOPAPPUS ACAULIS, POTENTILLA FRUTICOSA, 

 PINUS FLEXILIS, JUNIPERUS COMMUNIS. ADDITIONAL ASSOCIATED SPECIES: 

 ERIGERON COMPOSITUS, DOUGLASIA MONTANA, SENECIO CANUS , ARCTOSTAPHYLOS 

 UVA-URSI, AND SEDUM LANCEOLATUM. 



Land owner/manager: 



PRIVATELY OWNED LAND (INDIVIDUAL OR CORPORATE) 

 DEERLODGE NATIONAL FOREST, BUTTE RANGER DISTRICT 



Comments: 



LARGEST SUBPOPULATION: ECODATA PLOT NUMBER 92PL103; MINING CLAIMS 

 SUBPOPULATION: ECODATA PLOT NUMBER 92PL101; NO EVIDENCE OF 

 DISTURBANCE. NNW SUBPOPULATION: ECODATA PLOT NUMBER 9 2PL102; 

 LIVESTOCK. 



NNE 



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