ELEMENT OCCURRENCE RECORD 22 



Claytonia lanceolata var. flava 



occurrence number: 009 



Global rank: G5T1 Forest Service status: SENSITIVE 

 State rank: SI Federal Status: C2 



Survey site name: EAST BOULDER RIVER 



EO rank: 

 EO rank comments: 



County: SWEET GRASS 



USGS quadrangle: SQUAW PEAK 



Township: 004S Range: 013E Section: 02 Precision: S 

 Township-range comments: SW4 ; 3SE4 ; 4NE4 ; 11N2 



Survey date: 1990-06-20 Elevation: 6200 

 First observation: 1990 Slope/aspect: 0-5% / ALL 



Last observation: 1990-06-20 Size (acres) : 8 



Location: 



BEARTOOTH MOUNTAINS, EAST BOULDER RIVER DRAINAGE; GALLATIN NATIONAL 

 FOREST ROAD #205, CA. 4 MILES SOUTHEAST OF EAST BOULDER CAMPGROUND. 



Rlement occurrence data: 



SEVERAL HUNDRED WHITE-FLOWERED PLANTS OBSERVED IN LATE FLOWER AND 

 FRUIT. ELECTROPHORETIC ANALYSIS INDICATED THIS POPULATION IS WITHIN 

 THE FLAVA COMPLEX, BUT IS FAIRLY DIVERGENT GENETICALLY COMPARED TO 

 OTHER SAMPLED FLAVA POPULATIONS. 



General site description: 



FOUND ALONG BOTTOM OF EAST BOULDER DRAINAGE. GEOMORPHIC LAND FORM IS 

 PROBABLY MOSTLY ALLUVIAL AND THE SOIL TEXTURE IS CLAY LOAM. ASSOCIATED 

 SPECIES: PINUS CONTORTA, PSEUDOTSUGA MENZIESII, ACHILLEA MILLEFOLIUM, 

 MERTENSIA SPP., COLLINSIA PARVIFLORA, ARABIS NUTTALLII. COMPLETE 

 SPECIES LIST ON FILE AT THE MONTANA NATURAL HERITAGE PROGRAM. 



Land owner/manager: 



GALLATIN NATIONAL FOREST, BIG TIMBER RANGER DISTRICT 

 PRIVATELY OWNED LAND (INDIVIDUAL OR CORPORATE) 



Comments: 



FIELD SURVEY CONDUCTED BY STEVE SHELLY AND SALLY ORR (RESOURCE 

 ASSISTANT, BIG TIMBER RANGER DISTRICT) . 



Information source: 



SHELLY, J. STEPHEN. USES REGION 1, RAWE, P.O. BOX 7669, MISSOULA, MT 

 59807. (1616, 1617). 1990. MONTU . 



