January 4, 1994 



MONTANA NATURAL HERITAGE PROGRAM 

 Element Occurrence Record 



iPscientific Name: ARABIS FECUNDA 

 Common Name: SAPPHIRE ROCKCRESS 



Global rank: G2 Forest Service status: SENSITIVE 

 State rank: S2 Federal Status: C2 



Element occurrence code: PDBRA06290 . 001 

 Element occurrence type: 



Survey site name: CHARLEYS GULCH 



EO rank: B 

 EO rank comments: LARGE POPULATION, BUT AREA AFFECTED BY WEEDS AND 

 GRAZING. 



County: RAVALLI 



USGS quadrangle: CORVALLIS 



WILLOW MOUNTAIN 



Township: Range: Section: TRS comments: 



006N 019W 20 W2 , W2NE4 ; 19 S2 ; 29 NW4 ; 30 N2 



Precision: S 



Survey date: 1988-06-01 Elevation: 5000 



^ First observation: 1975 Slope/aspect: 



Last observation: 1988-06-01 Size (acres) : 700 



Location: 



CHARLEYS GULCH, WEST SLOPE OF SAPPHIRE RANGE, ALONG CHARLEYS GULCH 

 ROAD CA. 1.1-2.1 MILES FROM JUNCTION WITH PAVED COUNTY ROAD; ALSO 

 NORTH AND SOUTH OF GULCH. 



Element occurrence data: 



CA. 8000-10000+ PLANTS, IN 13 SUBPOPULATIONS ; EVIDENCE OF DISTURBANCE 

 BY CATTLE; WEED INVASION BY SPOTTED KNAPWEED (CENTAUREA MACULOSA) A 

 SERIOUS THREAT. 



General site description: 



ON STEEP, WEST AND SOUTHWEST-FACING SLOPES, ON LIGHT-COLORED 

 CALCAREOUS OUTCROPS, IN SAGEBRUSH GRASSLAND WITH CHRYSOPSIS VILLOSA, 

 GILIA SPICATA, PHYSARIA GEYERI, ALYSSUM ALYSSOIDES. 



Land owner/manager: 



PRIVATELY OWNED LAND (INDIVIDUAL OR CORPORATE) 

 STATE LAND - UNDESIGNATED 



Comments: 



CENTRUM IS THE TYPE LOCALITY; MONITORING TRANSECTS ESTABLISHED BY 

 ^ LESICA AND SHELLY, 87-05-19. 



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



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



Specimens: 



