WATCH LIST 



SCIENTIFIC NAME: ASTRAGALUS ARETIOIDES (Jones) 



Barneby 

 COMMON NAME: Sweetwater milkvetch 

 FAMILY: Fabaceae (Pea FamUy) 

 PERTINENT SYNONYMS: A^ sericoleucus Gray var. 



aretioides Jones 

 MONTANA STATUS: Watch List 

 GLOBAL and STATE RANKS (TNG): G4/S2 

 USFUS STATUS: None 

 USFS STATUS: None 

 GLOBAL DISTRIBUTION: Along the east foothills of the 



Rocky Mountains in UY, extending n. into Big Horn 



and Carbon cos., MT. Regional endemic. 

 MONTANA COUNTIES: Big Horn, Carbon 

 LAND OWNERSHIP: Custer N.F. 

 PHYSIOGRAPHIC DISTRIBUTION: Pryor Mtns. 

 HABITAT: Barren, windswept bluffs and eroded areas, 



on sandstone or limestone, 20AO-2380 m 



(6,700-7,800 ft.). 

 PHENOLOGY: June- August. 



SCIENTIFIC NAME: ASTRAGALUS TERHIMALIS Wats. 



COMMON NAME: Railhead milkvetch 



FAMILY: Fabaceae (Pea Family) 



MONTANA STATUS: Watch List 



GLOBAL and STATE RANKS (TNC): G3G4/S2 



USFWS STATUS: None 



USFS STATUS: None 



STATUS IN OTHER STATES: Rare in WY 



GLOBAL DISTRIBUTION: East-central ID and sw. MT, 



south to nw. WY. Regional endemic. 

 MONTANA COUNTIES: Beaverhead, Madison 

 LAND OWNERSHIP: BLM, Butte District; private(?) 

 PHYSIOGRAPHIC DISTRIBUTION: Beaverhead River and 



Madison River draianges 

 HABITAT: Open soil of eroding slopes and sagebrush 



grassland in the valley, foothills, montane, and 



alpine zones, 1520-2930 m (5,000-9,600 ft.) 

 PHENOLOGY: Flowering in June through mid-July 

 COMMENTS: At higher elevations, this species is 



smaller in stature with a nnore compact 



inflorescence. 



SCIENTIFIC NAME: ASTRAGALUS BARRII Barneby 



COMMON NAME: Barr's milkvetch 



FAMILY: Fabaceae (Pea Family) 



MONTANA STATUS: Watch List 



GLOBAL and STATE RANKS (TNC): G3/S2 



USFWS STATUS: C2 



USFS STATUS: Sensitive 



STATUS IN OTHER STATES: Rare in SD 



GLOBAL DISTRIBUTION: Southwestern SD, ne. WY, and se 



MT. Regional endemic. 

 MONTANA COUNTIES: Big Horn, Powder River, Rosebud; 



historically known in Carter 

 LAND OWNERSHIP: Custer N.F.; BLM, Miles City 



District, private 

 PHYSIOGRAPHIC DISTRIBUTION: Great Plains 

 HABITAT: Gullied knolls, buttes and barren hilltops, 



usually on limestone or sandstone, 945-1160 m 



(3,100-3,800 ft.) 

 PHENOLOGY: Flowering in Hay, fruiting late May-June 

 COMMENTS: This species is locally common at some of 



its locations in Montana. 



SCIENTIFIC NAME: BIDENS BECKII Torr. 



COMMON NAME: Water marigold 



FAMILY: Asteraceae (Sunflower Family) 



MONTANA STATUS: Watch List 



GLOBAL and STATE RANKS (TNC): G5/S2 



USFWS STATUS: None 



USFS STATUS: None 



STATUS IN OTHER STATES: Rare in B.C., rare in Sask. 



GLOBAL DISTRIBUTION: Southern B.C. to Que. and N.S., 



south to OR, nw. MT, Man., MO, and NJ., perhaps 



introduced in B.C., WA, OR, and MT. Peripheral. 

 MONTANA COUNTIES: Flathead, Lake, Missoula 

 LAND OWNERSHIP: Lolo N.F., private 

 PHYSIOGRAPHIC DISTRIBUTION: Clearwater River, Swan 



River and Flathead River drainages 

 HABITAT: Quiet water of rivers and lakes in the 



valley zone, 880-1220 m (2,900-4,000 ft.) 

 PHENOLOGY: Flowering in late August and September 

 COMMENTS: This species may be adventive in Montana. 



SCIENTIFIC NAME: ASTRAGALUS LENTIGINOSUS Doug I. 



COMMON NAME: Freckled milkvetch, Sodaville milkvetch 



FAMILY: Fabaceae (Pea Family) 



MONTANA STATUS: Watch List 



GLOBAL and STATE RANKS (TNC): G5/S2 



USFWS STATUS: None 



USFS STATUS: None 



GLOBAL DISTRIBUTION: Eastern WA, s. ID, and sw. MT, 



south to CA, NV, and AZ. Peripheral. 

 MONTANA COUNTIES: Beaverhead 

 LAND OWNERSHIP: BLM, Butte District; Beaverhead N.F.; 



private 

 PHYSIOGRAPHIC DISTRIBUTION: Upper Beaverhead River 



drainage 

 HABITAT: Sagebrush grassland in the valley and 



foothill zones, 1680-2160 m (5,500-7,100 ft.) 

 PHENOLOGY: Flowering in June and July, mature fruit 



in July and August 

 COMMENTS: Most known Montana populations of this 



species are small. Our plants are var. sal inus 



(Howell) Barneby. 



SCIENTIFIC NAME: BOTRYCHIUM NONTAHUM Wagner 



COMMON NAME: Mountain moonwort 



FAMILY: Ophioglossaceae (Grape Fern Family) 



MONTANA STATUS: Watch List 



GLOBAL and STATE RANKS (TNC): G2G3/S2 



USFWS STATUS: None 



USFS STATUS: None 



STATUS IN OTHER STATES: Review list in ID, endangered 



OR, 



WA 



GLOBAL DISTRIBUTION: B.C. to OR, east to MT and ID. 



Peripheral. 

 MONTANA COUNTIES: Flathead, Lake 



LAND OWNERSHIP: Glacier N.P., Flathead N.F., State 

 PHYSIOGRAPHIC DISTRIBUTION: Glacier National Park, n. 



Mission Range, Swan Valley 

 HABITAT: Coniferous forests, meadows, and along 



grassy trail edges, 900-1160 m (2,960-3,810 ft.) 

 PHENOLOGY: Mature sporophytes in July-August 

 COMMENTS: This small plant is easily overlooked and 



may be more conmon than records indicate. 



