SENSITIVE 



SCIENTIFIC NAME: DRABA VENTOSA Gray 



COMMON NAME: Wind River draba 



FAMILY: Brassicaceae (Mustard Family) 



MONTANA STATUS: Sensitive 



GLOBAL and STATE RANKS (TNC): G5/S1 



USFWS STATUS: None 



USFS STATUS: None 



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



GLOBAL DISTRIBUTION: B.C. and Alta., south to UT and 



CO. Sparse. 

 MONTANA COUNTIES: Madison 



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

 PHYSIOGRAPHIC DISTRIBUTION: Madison Range, Tobacco 



Root Range 

 HABITAT: Limestone talus and scree in the subalpine 



and alpine zones, ca. 2650-3050 m (8,700-10,000 ft.) 

 PHENOLOGY: Flowering in late June and July, mature 



fruit in August 



COMMENTS: This species is known fron only two sites 

 in Montana. 



SCIENTIFIC NAME: DRYOPTERIS CRISTATA (L.) Gray 



COMMON NAME: Buckler fern, crested shield-fern 



FAMILY: Polypodiaceae (Fern Family) 



MONTANA STATUS: Sensitive 



GLOBAL and STATE RANKS (TNC): G5/S2 



USFWS STATUS: None 



USFS STATUS: None 



STATUS IN OTHER STATES: Sensitive in WA, sensitive in 



ID, threatened in ND-, rare in Alta., rare in B.C. 

 GLOBAL DISTRIBUTION: Newf. to B.C., south to NC, TN, 



KN, ND, nw. MT, n. ID, and WA. Peripheral. 

 MONTANA COUNTIES: Flathead, Lake, Missoula 

 LAND OWNERSHIP: Flathead N.F., Lolo N.F., Flathead 



Indian Res. , private 

 PHYSIOGRAPHIC DISTRIBUTION: Flathead River and Clark 



Fork River drainages 

 HABITAT: Wet soil, usually at the margins of bogs or 



fens in the montane zone, 910-1370 m 



(3,000-4,500 ft.) 

 PHENOLOGY: Mature fronds in July and August 

 COMMENTS: Most known Montana populations are small, 



consisting of fewer than 50 plants. 



SCIENTIFIC NAME: DROSERA LINEARIS Goldie 



COMMON NAME: Linear- leaved sundew 



FAMILY: Droseraceae (Sundew Family) 



MONTANA STATUS: Sensitive 



GLOBAL and STATE RANKS (TNC): G4/S1 



USFWS STATUS: None 



USFS STATUS: Sensitive 



STATUS IN OTHER STATES: Rare in Alta., rare in Sask. 



GLOBAL DISTRIBUTION: Boreal Canada, s. to ME, WI, MT. 

 Peripheral . 



MONTANA COUNTIES: Flathead, Lewis & Clark, Powell 



LAND OWNERSHIP: Helena N.F., Flathead N.F. 



PHYSIOGRAPHIC DISTRIBUTION: Blackfoot River, South 

 Fork Flathead River drainages 



HABITAT: Sphagnum bogs, at mid-elevations in the 

 mountains, 1325-1840 m (4,350-6,030 ft.) 



PHENOLOGY: Flowering in late June- August 



COMMENTS: The only known populations of this species 

 in the western United States are in northwestern 

 Montana. It may be hybridizing with a closely 

 related species, D^ angl ica . at one location. 



SCIENTIFIC NAME: ELEOCHARIS XYRIDIFORHIS Fern. & 



Brackett 

 COMMON NAME: Creeping spike- rush 

 FAMILY: Cyperaceae (Sedge Family) 

 MONTANA STATUS: Sensitive 

 GLOBAL and STATE RANKS (TNC): G4/S1 

 USFWS STATUS: None 

 USFS STATUS: None 

 GLOBAL DISTRIBUTION: ND, MT, and WY, s. to TX; 



Mexico. Peripheral. 

 MONTANA COUNTIES: Carter, Petroleum 

 LAND OWNERSHIP: Private 

 PHYSIOGRAPHIC DISTRIBUTION: Great Plains 

 HABITAT: Shorelines of lakes, ponds, marshes, low 



swamps, and wet ditches, 915-1035 m (3,000-3,400 ft) 

 PHENOLOGY: Flowering June, fruiting July 

 COMMENTS: This species has been collected only twice 



in Montana, both times in 1973. 



SCIENTIFIC NAME: DRYAS INTEGRIFOLIA Vahl 



COMMON NAME: Enti re- leaved dryad, white 

 mountain-avens 



FAMILY: Rosaceae (Rose Family) 



MONTANA STATUS: Sensitive 



GLOBAL and STATE RANKS (TNC): G5/S1 



USFWS STATUS: None 



USFS STATUS: None 



GLOBAL DISTRIBUTION: Arctic N. America and Greenland, 

 south to NH, B.C., Alta., and n. MT. Peripheral. 



MONTANA COUNTIES: Fergus 



LAND OWNERSHIP: Custer N.F. 



PHYSIOGRAPHIC DISTRIBUTION: Big Snowy Mtns. 



HABITAT: Open, gravelly, limestone-derived soil of 

 windswept ridgetops and plateaus in the alpine zone, 

 ca. 2620 m (8,600 ft.) 



PHENOLOGY: Flowering in July 



COMMENTS: The Big Snowy Mtns. have the only 

 populations of this species in the western 

 continental U.S. D^ integrifolia occurs with D^ 

 octopetala . and the two may be hybridizing. Other 

 reports of this species for Montana (Bamberg and 

 Pemble 1968) cannot be verified. 



SCIENTIFIC NAME: ELODEA LONGIVAGINATA St. John 



COMMON NAME: Long-sheath waterweed 



FAMILY: Hydrochari taceae (Frog's-bit Family) 



MONTANA STATUS: Sensitive 



GLOBAL and STATE RANKS (TNC): G4G5/S1 



USFWS STATUS: None 



USFS STATUS: None 



STATUS IN OTHER STATES: Rare in Sask. 



GLOBAL DISTRIBUTION: Alta. and Sask., south to ND, 



CO, UT, and NM. Sparse. 

 MONTANA COUNTIES: Glacier, Phillips, Toole 

 LAND OWNERSHIP: Blackfeet Indian Res.; BLM, Lewistown 



District; private 

 PHYSIOGRAPHIC DISTRIBUTION: Northern Great Plains 

 HABITAT: Shallow margins of ponds on the plains, 



850-1200 m (2,800-3,900 ft.) 

 PHENOLOGY: Flowering in late June and July 

 COMMENTS: This species may be more common in 



north-central Montana than current records indicate. 



