ARABIS FECUNDA 

 SAPPHIRE ROCKCRESS 



Element occurrence code: PDBRA06290 . 003 



Global rank: G2 Forest Service status: WATCH LIST 

 State rank: S2 



Survey site name: ROCK QUARRY GULCH 

 County: Ravalli 



USGS quadrangle: MOUNTAIN HOUSE 



Township-range: 006N019W Section: 31 

 Township-range comments: NW4SW4 



Survey date: 1988-06-01 Elevation: 4850 

 First observation: 1985 Slope/aspect: 



Last observation: 1988-06-01 Size (acres) : 5 



Location: 



ROCK QUARRY GULCH; FROM JCT. OF HWYS . 2 69 & 380, GO 2.5 MI. 

 E. TO CORNER WHERE 380 TURNS N.; GO E. 1.5 MI. TO CHARLEYS 

 GULCH RD. , & 2 MI. TO CATTLEGUARD; SITE IS 2 MILES SW. 



Element occurrence data: 



CA. 800-1000+ PLANTS, ONE POPULATION; EVIDENCE OF LIGHT 

 DISTURBANCE BY CATTLE; POPULATION THREATENED BY KNAPWEED 

 (CENTAUREA SP.) INVASION, BUT SITE NOT AS WEEDY AS OTHERS IN 

 AREA. 



General site description: 



ON LIGHT-COLORED ROCK OUTCROPS ON OPEN, S-FACING SLOPES; IN 

 SAGEBRUSH GRASSLAND NEAR LOWER TREELINE, W/ SCATTERED PINUS 

 PONDEROSA, AGROPYRON SPICATUM AND HAPLOPAPPUS ARMERIOIDES. 



Land owner/manager: 



PRIVATELY OWNED LAND (INDIVIDUAL OR CORPORATE) 



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 



