ARABIS FECUNDA 

 SAPPHIRE ROCKCRESS 



Element occurrence code: PDBRA06290 . 001 



Global rank: G2 Forest Service status: 

 State rank: S2 



WATCH LIST 



Survey site name: 

 County: Ravalli 



uses quadrangle: 



CHARLEYS GULCH 



CORVALLIS 

 WILLOW MOUNTAIN 



Township-range: 006N019W Section: 20 W2 , W2NE4 

 Township-range comments: Sec 19 S2 ; Sec 29 NW4 ; Sec 30 N2 



Survey date: 1988-06-01 

 First observation: 1975 

 Last observation: 1988-06-01 



Elevation: 5000 

 Slope/aspect: 

 Size (acres) : 700 



Location: 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, W- AND SW-FACING SLOPES, ON LIGHT-COLORED 

 CALCAREOUS OUTCROPS, IN SAGEBRUSH GRASSLAND WITH CHRYSOPSIS 

 VILLOSA, GILIA SPICATA, PHYSARIA GEYERI , AND ALYSSUM ALYSSOIDES. 



Land owner/manager: 



PRIVATELY OWNED LAND (INDIVIDUAL OR CORPORATE) 

 STATE LAND - UNDESIGNATED 



Information source: 



SHELLY, J.S. 1988. FIELD SURVEYS IN RAVALLI COUNTY OF 19-20 

 MAY, 1-3 JUNE. 



Element Occurrence Record - Arabis fecunda 

 Montana Natural Heritage Program 



