February 6, 1996 



MONTANA NATURAL HERITAGE PROGRAM 

 Element Occurrence Record 



k Scientific Name: ASTRAGALUS TERMINALIS 

 'common Name: RAILHEAD MILKVETCH 



Global rank: G3G4 Forest Service status: 

 State rank: S2 Federal Status: 



Element occurrence code: PDFABOF8U0 . 014 

 Element occurrence type: 



Survey site name: MADISON RIVER 



EO rank : 

 EO rank comments: 



County: MADISON 



USGS quadrangle: BUCKS NEST 

 CAMERON 



Township: Range: Section: TRS comments: 

 noes OOIW 24 NW4 



Elevation: 5400 - 

 1995-07-26 Slope/aspect: LEVEL 

 1995-09-01 Size (acres) : 10 



Precision 



Survey date 



First observation 



Last observation 



Location: 



MADISON RIVER CA. 16 MILES SOUTH ON US HWY 287 FROM ENNIS . TAKE DIRT 

 ROAD DOWN TO RIVER; POPULATION IS IN A ROCKY FLOODPLAIN CHANNEL. 



Element occurrence data: 



1000 TO 10,000 PLANTS, 1 SUBPOPULATION . NEARLY ALL WITH MATURE FRUIT, 

 DISPERSING SEED. 



General site description: 



OPEN, DRY (SEASONAL MOISTURE) AiLUVIAi FLOODPLAIN BOTTOM. ROCKY, SANDY 

 SOIL ALLUVIUM PARENT MATERIAL. ASSOCIATED SPECIES: ASTRAGALUS 

 TERMINALIS, STIPACOMATA, POASP., STEPHANOMERIA SPINOSA, BOUTELOUA 

 GRACILIS, OXYTROPIS SERICEA, ALLIUM CERNUUM, ACHILLEA MILLEFOLIUM, 

 GLYCHORRHIZA LEPIDOTA, LIATRIS PUNCTATA. 



Land owner/manager: 



BLM: BUTTE DISTRICT, DILLON RESOURCE AREA 



^°"""^OBSERVED BY J. VANDERHORST JULY 1995; REVISITED BY B. HEIDEL SEPTEMBER 

 1995. 



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



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

 201800, HELENA, MT 59620-1800. WORK: 4 06/444-3009. 



Specimens: VANDERHORST, J. (5485). 1995. MONT. 



