February 6, 1996 



MONTANA NATURAL HERITAGE PROGRAM 

 Element Occurrence Record 



iScientific Name: SPHAEROMERIA ARGENTEA 

 'common Name: CHICKEN SAGE 



Global rank: G3 Forest Service status: 

 State rank: S3 Federal Status: 



Element occurrence code: PDAST8S010 . 008 

 Element occurrence type: 



Survey site name 



EO rank 



EO rank comments 



CEDAR CREEK 



County: BEAVERHEAD 



USGS quadrangle: ELI SPRING 



Township: Range: Section: TRS comments: 

 009S OllW 35 SE4 



Precision: S 



Survey date: Elevation: 6120 - 6240 



First observation: 1995-07-20 Slope/aspect: 0-5% / NORTH 



Last observation: 1995-07-20 Size (acres) : 2 



Location : 



TRAVEL CA. 4 MILES WEST OF ARMSTEAD ON US HWY 324, NORTH 1 MILE TO THE 



FORK, AND WEST 0.2 MILE PAST GATE AND BLM ROAD 1800 SIGN. POPULATION 



IS SOUTH OF ROAD. 

 I 

 Element occurrence data: 



LOCALLY COMMON, >3 00 PLANTS, IN FRUIT. MOST PLANTS <10 X 10 CM. 



General site description: 



SEGMENT OF OPEN, DRY, HARSH FLAT RIDGETOP COVERED BY LIMESTONE 

 PAVEMENT. MADISON GROUP PARENT MATERIAL, SILT COVERED BY GRAVEL AND 

 SMALL ROCKS. PHLOX BRYOIDES, HAPLOPAPPUS ACAULIS, ARTEMISIA FRIGIDA, 

 POSSIBLY EARLY SUCCESSIONAL PHASE OF AGROPYRON SPICATUM, ORYZOPSIS 

 HYMENOIDES, O. CONTRACTA; SOME OVERLAP WITH SPHAEROMERIA CAPITATA, THE 

 LOCAL DOMINANT IN THE AREA. 



Land owner/manager: 



BLM: BUTTE DISTRICT, DILLON RESOURCE AREA 



Comments : 



ALMOST NO DISTURBANCE; SIGNS OF AN OCCASIONAL HORSE. 



Information source: HEIDEL, BONNIE. [BOTANIST] MONTANA NATURAL 



HERITAGE PROGRAM, 1515 EAST SIXTH AVENUE, P.O. BOX 

 201800, HELENA, MT 59620-1800. WORK: 406/444-3009. 



Specimens : 



