MONTANA NATURAL HERITAGE PROGRAM 

 Element Occurrence Record 



Scientific Name: CAREX VALLICOLA 

 Common Name: VALLEY SEDGE 



Global rank: G5 Forest Service status: 

 State rank: S2 Federal Status: 



Element occurrence code: PMCYP03EA0.010 

 Element occurrence type: 



Survey site name: SOURDOUGH SPRING 



EO rank: B 

 EO rank comments: DENSE POPULATION, TAXON SUB-DOMINANT AT SITE. 



VIABILITY WILL DEPEND ON FUTURE STOCKING RATES. 



County: BEAVERHEAD 



USGS quadrangle: DEER CANYON 



Township: Range: Section: TRS comments: 

 012S OllW 13 W2 



Precision: S 



Survey date: 1994-07-21 Elevation: 8500 - 



First observation: 1994-07-21 Slope/aspect: 10% / SOUTH 



Last observation: 1994-07-21 Size (acres): 



Location: 



SOURDOUGH SPRING. FROM DELL, FOLLOW BIG SHEEP CREEK ROAD TO MUDDY 

 CREEK ROAD. GO UP MUDDY CREEK, THEN TURN UP SOURDOUGH CREEK TO SPRING 

 AT HEADWATERS. 



Element occurrence data: 



1000+ PLANTS, MATURE FRUIT; MATURE PERIGYNIA, MANY DEHISCED. 

 BOUNDARIES NOT DETERMINED. 



General site description: 



OPEN, DRY (WITH SEASONAL SEEPAGE) RESIDUAL SEDIMENTARY MIDSLOPE. 

 LIMESTONE PARENT MATERIAL, FINE SOIL. ASSOCIATED SPECIES: ARTEMESIA 

 TRIDENTATA, FESTUCA IDAHOENSIS, LUPINUS ARGENTEUS ERIOGONUM 

 UMBELLATUM, CASTILLEJA RUSTICA, THLASPI ARVENSE, POA PRATENSE. 



Land owner/manager: 



BEAVERHEAD NATIONAL FOREST, DILLON RANGER DISTRICT 



Comments: 



OBSERVED BY J. VANDERHORST. WEEDS ABUNDANT IN AREA, DEVELOPED SPRING 

 NEARBY; CATTLE HISTORICALLY IN AREA. 



Information source: VANDERHORST, J. [BOTANIST]. 1515 LAKE STREET, 

 OGDEN, UTAH 84401. 



Specimens: VANDERHORST, J. (5245). 1994. MONT. 



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