February 6, 1996 



14 



MONTANA NATURAL HERITAGE PROGRAM 

 Element Occurrence Record 



Scientific Name: STEPHANOMERIA SPINOSA 

 Common Name: SPINY SKELETONWEED 



Global rank: G4 Forest Service status: 

 State rank: SI Federal Status: 



Element occurrence code: PDAST8U0E0 . 003 

 Element occurrence type: 



Survey site name: MADISON BENCH 



EO rank: 

 EO rank comments 



County: MADISON 



uses quadrangle: GRANITE MOUNTAIN 



Township: Range: Section: TRS comments: 

 OlOS OOIE 06 S2 



Precision 



Survey date 



First observation 



Last observation 



19 



S 



1990-07- 

 1990 

 1995-07-26 



Elevation: 5660 - 5810 

 Slope/aspect: 0-3% / LEVEL-, WEST 

 Size (acres) : 10 



Location: 



FROM CAMERON, TAKE HWY . 287 SOUTH 14 MILES TO BLM RECREATION AREA. 

 CONTINUE SOUTH 0.25 MILE; SITE IS ON EAST SIDE OF HWY. JUST EAST OF 



FENCE . 



Element occurrence data: 



1995: NEW WESTERN SUBPOPULATION WITH 11 PLANTS, 90 % IN EARLY BUD, 10% 

 VEGETATIVE. 1990: (EASTERN SUBPOPULATION) 11-50 PLANTS IN BUD. ONLY 

 SMALL AREA SURVEYED; FULL EXTENT OF OCCURRENCE IS UNKNOWN. 



Ger jL-al site description: 



DRY, OPEN CREST OF LOWER ALLUVIAL BENCH. SANDY, ROCKY LOAM. FESTUCA 

 IDAHOENSIS/STIPA COMATA COMMUNITY. ASSOCIATED SPECIES: POA SANDBERGII, 

 ARTEMISIA FRIGIDA, ASTRAGALUS ADSURGENS , A. TERMINALIS, SELAGINELLA 

 DENSA, ELYMUS SPICATUS, ANTENARIA MICROFHYLLA, BOUTELOUA GRACILIS, 

 SENECIO CANUS, ASTRAGALUS MISER. 



Land owner/manager: 



PRIVATELY OWNED LAND 

 BLM: BUTTE DISTRICT, 



(INDIVIDUAL OR CORPORATE) 

 DILLON RESOURCE AREA 



Comments : 



RANGE CONDITION INDICATES LIGHT GRAZING. SITE SURVEY SUMMARY ON FILE 

 AT MTNHP. 



Information source: LESICA, PETER. DIVISION OF BIOLOGICAL SCIENCES, 

 UNIVERSITY OF MONTANA, MISSOULA, MT 59812. PHONE 

 406/728-8740. 



Specimens: LESICA, P. (5188). 1S90. MONTU. 



VANTJERHORST, J. (5478). 1995. MONTU. 



