January 4, 1994 



MONTANA NATURAL HERITAGE PROGRAM 

 Element Occurrence Record 



•Scientific Name: ARABIS FECUNDA 

 Common Name: SAPPHIRE ROCKCRESS 



Global rank: G2 Forest Service status: SENSITIVE 

 State rank: S2 Federal Status: C2 



Element occurrence code: PDBRA06290 . 004 

 Element occurrence type: 



Survey site name: BIRCH CREEK BLUFFS 



EO rank: AB 

 EO rank comments: VERY LARGE POPULATION, SOME AREAS IN GOOD 

 CONDITION. 



County: RAVALLI 



USGS quadrangle: WILLOW MOUNTAIN 

 CORVALLIS 



Township: Range: Section: TRS comments: 



007N 019W 16 NW4; 17; 18 NE4 ; 20 NE4 



Precision: S 



Survey date: 1988-06-01 Elevation: 4700 - 



First observation: 1986 Slope/aspect: 



^ Last observation: 1988-06-01 Size (acres) : 200 



Location: 



WESTERN LOWER SLOPES OF SAPPHIRE MOUNTAINS, ALONG BIRCH CREEK AND 

 TRIBUTARY NW. OF SCHOOLHOUSE BUTTE, CA. 7 AIR MILES ENE . OF CORVALLIS. 



Element occurrence data: 



10,000+ INDIVIDUALS, CA. SIX SUBPOPULATIONS ; SOME SLOPES ARE TERRACED 

 FROM LIVESTOCK GRAZING, AND WEEDS (CENTAUREA MACULOSA, BROMUS 

 TECTORUM, ALYSSUM) ARE ABUNDANT; ALSO WITH AGROPYRON SPICATUM, 

 OXYTROPIS BESSEYI, SENECIO CANUS . 



General site description: 



WHITE, HIGHLY CALCAREOUS, ERODING SLOPES OF METAMORPHOSED 

 CALC-SILICATES; WITH PINUS PONDEROSA, JUNIPERUS SCOPULORUM, 

 HAPLOPAPPUS ARMERIOIDES, LESQUERELLA ALPINA, POA SECUNDA. 



Land owner/manager: 



STATE LAND - UNDESIGNATED 



PRIVATELY OWNED LAND (INDIVIDUAL OR CORPORATE) 



Comments : 



MONITORING TRANSECTS ESTABLISHED 87-5-20. 



^ Information source: SHELLY, J. S. 1988. [FIELD SURVEYS IN RAVALLI 



COUNTY OF 19-20 MAY, 1-3 JUNE (ARABIS FECUNDA).] 



Specimens: LESICA, P. (3744). 1986. MONTU. 



SHELLY, J. S. (1414). 1988. MONTU. 



37 



