ELEMENT OCCURRENCE RECORD 30 



Claytonia lanceolata var. f lava 



Occurrence number: 017 



Global rank: G5T1 Forest Service status: SENSITIVE 

 State rank: SI Federal Status: C2 



Survey site name: BOULDER RIVER 



EO rank: B 

 EO rank comments: LARGE POPULATION, HEAVY HUMAN IMPACT. 



County: SWEET GRASS 



USGS quadrangle: MOUNT DOUGLAS 



Township: 005S Range: 012E Section: 35 Precision: S 

 Township-range comments: W2 



Survey date: 1991-06-05 Elevation: 6120 



First observation: 1991 Slope/aspect: 0-40% / SOUTH, WEST, 

 EAST 



Last observation: 1991-06-05 Size (acres) : 30 



Location: 



BOULDER RIVER; CA. 35 MILES SOUTH OF BIG TIMBER, ON KNOLL ABOVE HELLS 

 ^ CANYON CAMPGROUND, AND 0.75 MILE SOUTH ON EDGE OF SAGEBRUSH KNOLL. 



Element occurrence data: 



10,000+ PLANTS IN SOUTHERN SUBPOPULATION, 200+ IN NORTHERN POPULATION. 



General site description: 



MOIST MEADOWS AND SAGEBRUSH GRASSLANDS IN LOAMY SOIL. ASSOCIATED 

 SPECIES: DODECATHEON PULCHELLUM, VIOLA ARVENSE, COLLINSIA PARVIFLORA, 

 ROSA WOODSII, ARTEMISIA TRIDENTATA, MERTENSIA OBLONGIFOLIA, DELPHINIUM 

 BICOLOR, LITHOPHRAGMA PARVIFLORUM, AGROPYRON SPICATUM, AND FESTUCA 

 IDAHOENSIS. 



Land owner/manager: 



PRIVATELY OWNED LAND (INDIVIDUAL OR CORPORATE) 

 GALLATIN NATIONAL FOREST, BIG TIMBER RANGER DISTRICT 

 ABSAROKA-BEARTOOTH WILDERNESS AREA 



Comments: 



PRIVATE LAND IS GRAZED. 



Information source: 



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

 AVENUE, HELENA, MT 59620. (423,424). 1991. MONT. 



