MONTANA NATURAL HERITAGE PROGRAM 

 Element Occurrence Record 



Scientific Name: SENECIO DEBILIS 

 Common Name: ROCKY MOUNTAIN RAGWORT 



Global rank: G3G4 Forest Service status: 

 State rank: SI Federal Status: 



Element occurrence code: PDAST8H110.011 

 Element occurrence type: 



Survey site name: WEST OF ELK SPRINGS 



EO rank: 

 EO rank comments: 



County : BEAVERHEAD 



USGS quadrangle: ELK SPRINGS 



Township: Range: Section: TRS comments: 

 013S OOIW 36 SE4 

 014S OOIW 01 NE4 



Precision: S 



Survey date: Elevation: 662 



First observation: 1993-07-28 Slope/aspect: LEVEL 



Last observation: 1993-07-28 Size (acres) : 4 



Location: 



CENTENNIAL VALLEY; GO 10 MILES EAST OF RED ROCK LAKES NWR HEADQUARTERS 

 TO ELK LAKE ROAD, THEN 2.3 MILES NORTH TO INTERSECTION WITH NORTH 

 CENTENNIAL VALLEY ROAD. SITE IS 0.2 MILE WEST, ON SOUTH SIDE OF ROAD. 



Element occurrence data: 



80-100 INDIVIDUALS, 100% FLOWERING. 



General site description: 



MOIST, PEATY BOTTOMLAND, WITH PENTAPHYLLOIDES FLORIBUNDA, FESTUCA 

 IDAHOENSIS, CIRSIUM SCARIOSUM, POTENTILLA HIPPIANA, ANTENNARIA 

 MICROPHYLLA, IRIS MISSOURIENSIS , TARAXACUM OFFICINALE, VALERIANA 

 EDULIS, AGROPYRON SPICATUM, CAREX SP., EQUISETUM VARIEGATUM. 



Land owner /manager : 



RED ROCK LAKES WILDERNESS 



RED ROCK LAKES NATIONAL WILDLIFE REFUGE 



Comments: 



NO EVIDENCE OF DISTURBANCE. OBSERVED BY DENISE CULVER. ASTRAGALUS 

 LEPTALEUS AND A. ARGOPHYLLUS ALSO OBSERVED IN VICINITY IN PREVIOUS 

 YEARS. 



Information source: CULVER, D. 1993. [MTNHP FIELD SURVEYS IN THE 



CENTENNIAL VALLEY, MONTANA, MAY -AUGUST.] 



Specimens: 



