THREATENED 



SCIENTIFIC NAME: GENTIANA GLAUCA Pall. 



COMMON NAME: Glaucous gentian 



FAMILY: Gentianaceae (Gentian Family) 



MONTANA STATUS: Threatened 



GLOBAL and STATE RANKS (TNC): G4/S1 



USFWS STATUS: None 



USFS STATUS: None 



STATUS IN OTHER STATES: Sensitive in WA 



GLOBAL DISTRIBUTION: AK south to UA and nw. MT. 



Peripheral . 

 MONTANA COUNTIES: Flathead 

 LAND OWNERSHIP: Glacier National Park 

 PHYSIOGRAPHIC DISTRIBUTION: Lewis Range 

 HABITAT: Wet, boggy tundra in the alpine zone, ca. 



2440 m (8,000 ft.) 

 PHENOLOGY: Flowering in late July and early August 

 COMMENTS: The only known Montana population is smal 



and in close proximity to a major hiking trail. 



SCIENTIFIC NAME: GENTIANOPSIS SIMPLEX (A. Gray) litis 



COMMON NAME: Hiker's gentian 



FAMILY: Gentianaceae (Gentian Family) 



PERTINENT SYNONYMS: Gent i ana simplex Gray; 

 Gentianel La simplex Gillett 



MONTANA STATUS: Threatened 



GLOBAL and STATE RANKS (TNC): G3G4/S1 



USFWS STATUS: None 



USFS STATUS: Watch list 



GLOBAL DISTRIBUTION: Cascades of OR from Deschutes 

 Co. s. to the Sierra Nevada of c. CA, and e. through 

 OR to c. ID and w. and s. -central MT. Peripheral. 



MONTANA COUNTIES: Beaverhead, Carbon, Missoula 



LAND OWNERSHIP: Beaverhead N.F., Custer N.F., private 



PHYSIOGRAPHIC DISTRIBUTION: Absaroka-Beartooth Mtns., 

 Bitterroot Mtns., Beaverhead Mtns. 



HABITAT: Mountain bogs, meadows, and seepage areas, 

 1340-2560 m (4,400-8,400 ft.) 



PHENOLOGY: Flowering in July and August 



COMMENTS: In Montana, this species is known from only 

 three sites; the station in Carbon County is the 

 easternmost site in the species' range, and is 

 disjunct by approximately 320 km east from the 

 Beaverhead County location. Populations are 

 threatened by timber harvesting and livestock 

 grazing. 



SCIENTIFIC NAME: MIMULUS PRIMULOIDES Benth. 



COMMON NAME: Primrose monkey-flower 



FAMILY: Scrophulariaceae (Figwort Family) 



MONTANA STATUS: Threatened 



GLOBAL and STATE RANKS (TNC): G4/S1 



USFWS STATUS: None 



USFS STATUS: Sensitive 



GLOBAL DISTRIBUTION: UA to CA, e. to sw. MT and AZ. 



Peripheral . 

 MONTANA COUNTIES: Beaverhead, Ravalli 

 LAND OWNERSHIP: Beaverhead N.F., Bitterroot N.F. 

 PHYSIOGRAPHIC DISTRIBUTION: Bitterroot Mtns., Pioneer 



Mtns., Beaverhead Mtns. 

 HABITAT: Fens, sphagnum bogs and wet meadows at 



moderate to rather high elevations in the mountains; 



1220-2440 m (4,000-8,000 ft.) 

 PHENOLOGY: Flowering July through early September 

 COMMENTS: One site for this plant is adjacent to a 



ski area parking area. Other sites are threatened 



by livestock grazing. 



SCIENTIFIC NAME: NYMPHAEA TETRAGONA Georgi 



COMMON NAME: Pygmy water-lily 



FAMILY: Nymphaeaceae (Water-lily Family) 



MONTANA STATUS: Threatened 



GLOBAL and STATE RANKS (TNC): G5/S1 



USFWS STATUS: None 



USFS STATUS: None 



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



extirpated in ID, rare in Sask., sensitive in UA. 

 GLOBAL DISTRIBUTION: AK, Ont . , Que., and ME, south to 



MI, MT, n. ID, and UA. Peripheral. 

 MONTANA COUNTIES: Flathead, Lake 

 LAND OWNERSHIP: Private 

 PHYSIOGRAPHIC DISTRIBUTION: Upper Flathead River 



drainage 

 HABITAT: Freshwater lakes and sloughs in the valley 



zone, 880-910 m (2,900-3,000 ft.) 

 PHENOLOGY: Flowering in late July and August 

 COMMENTS: This plant is known from only four 



locations in Montana. Populations are threatened by 



agricultural and residential pollution. 



SCIENTIFIC NAME: HOWELLIA AOUATILIS A. Gray 



COMMON NAME: Water Howell i a 



FAMILY: Campanulaceae (Bel If lower Family) 



MONTANA STATUS: Threatened 



GLOBAL and STATE RANKS (TNC): G2/S2 



USFWS STATUS: CI 



USFS STATUS: Sensitive 



STATUS IN OTHER STATES: Presumed extinct in CA, 



endangered in ID, endangered in OR, endangered in UA 

 GLOBAL DISTRIBUTION: Northwestern MT, n. ID, and WA; 



historically known in CA, OR. Sparse. 

 MONTANA COUNTIES: Lake, Missoula 

 LAND OWNERSHIP: Flathead N.F., Burlington Northern, 



private 

 PHYSIOGRAPHIC DISTRIBUTION: Swan River drainage 

 HABITAT: In quiet water of vernal glacial pothole 



ponds and oxbow sloughs; 945-1350 m (3,100-4,420 



ft.) 

 PHENOLOGY: Flowering and fruiting from late June to 



August 

 COMMENTS: In Montana this annual species, which 



comprises a monotypic genus, is currently known only 



from the Swan River valley. The forest habitats 



adjacent to approximately half of the populations 



have been disturbed by logging and road 



construction. 



SCIENTIFIC NAME: OENOTHERA PALLIDA Lindl. 



var.IDAHOEMSIS Munz 

 COMMON NAME: Idaho pale evening-primrose 

 FAMILY: Onagraceae (Evening-primrose Family) 

 MONTANA STATUS: Threatened 

 GLOBAL and STATE RANKS (TNC): G5T4Q/S1 

 USFWS STATUS: None 

 USFS STATUS: None 

 GLOBAL DISTRIBUTION: Southeast ID and adjacent MT . 



The species as a whole occurs from e. UA and OR, 



east to MT, NM, and AZ. Regional endemic. 

 MONTANA COUNTIES: Beaverhead 

 LAND OUNERSHIP: BLM, Butte District; private 

 PHYSIOGRAPHIC DISTRIBUTION: Centennial Valley 

 HABITAT: Open, sandy soil of sandhills and dunes in 



the valley and foothill zones, 2010 m (6,600 ft.) 

 PHENOLOGY: Flowering in July and early August 

 COMMENTS: In Montana, this plant is known from only a 



few small colonies at one site. This population may 



be threatened by livestock grazing. 



