SENSITIVE 



SCIENTIFIC NAME: SCIRPUS CYPERIMUS (L.) Kunth 



COMMON NAME: Wool grass 



FAMILY: Cyperaceae (Sedge Family) 



PERTINENT SYNONYMS: Sc i rpus atrocinctus Fern. 



MONTANA STATUS: Sensitive 



GLOBAL and STATE RANKS (TNC): G5/S1 



USFUS STATUS: None 



USFS STATUS: Watch list 



STATUS IN OTHER STATES: Category 2 (threatened) in ID 



GLOBAL DISTRIBUTION: Newfoundland to FL, w. to MN, 



MO, and TX, and occasionally across s. Canada to se. 



B.C., and nw. MT, reputedly to UA. Peripheral. 

 MONTANA COUNTIES: Lincoln, Sanders, reported for 



Missoula 

 LAND OWNERSHIP: Kootenai N.F., private 

 PHYSIOGRAPHIC DISTRIBUTION: Clark Fork River, 



Kootenai River drainages 

 HABITAT: Wet tow ground, 610-760 m (2,000-2,500 ft.) 

 PHENOLOGY: Flowering and fruiting in July and August 

 COMMENTS: This species is locally common in the 



extreme northwestern part of Montana. It has also 



been reported from near Missoula. It may be 



increasing its range in Montana. 



SCIENTIFIC NAME: SCIRPUS MEVADENSIS Wats. 



COMMON NAME: Nevada bulrush 



FAMILY: Cyperaceae (Sedge Family) 



MONTANA STATUS: Sensitive 



GLOBAL and STATE RANKS (TNC): G4/S1 



USFWS STATUS: None 



USFS STATUS: None 



STATUS IN OTHER STATES: Rare in Atta. 



GLOBAL DISTRIBUTION: Sask. to B.C., south to WY, UT, 



NV, and CA. Sparse. 

 MONTANA COUNTIES: Lincoln, Sheridan 

 LAND OWNERSHIP: State, Medicine Lake N.W.R. Kootenai 



N.F., private 

 PHYSIOGRAPHIC DISTRIBUTION: Northern Great Plains, 



Tobacco River drainage 

 HABITAT: Wet, alkaline prairie and muddy shores of 



alkaline ponds and lakes in the valley zone and on 



the plains, 610-910 m (2,000-3,000 ft.) 

 PHENOLOGY: Mature fruit in July 

 COMMENTS: This species should be sought in north- 

 central Montana. 



SCIENTIFIC NAME: SCIRPUS HETERtXHAETUS Chase 



COMMON NAME: Slender bulrush 



FAMILY: Cyperaceae (Sedge Family) 



MONTANA STATUS: Sensitive 



GLOBAL and STATE RANKS (TNC): G5/S1 



USFWS STATUS: None 



USFS STATUS: None 



GLOBAL DISTRIBUTION: Southern Can., south to NY, TX 



and OR. Sparse. 

 MONTANA COUNTIES: Sanders, Sheridan 

 LAND OWNERSHIP: Flathead Indian Res., Medicine Lake 



N.W.R. 

 PHYSIOGRAPHIC DISTRIBUTION: Salish Mtns., Northern 



Great Plains 

 HABITAT: Marshes and edges of lakes and ponds in the 



valleys and foothills, 610-1065 m (2,000-3,500 ft) 

 PHENOLOGY: Mature fruit in August 

 COMMENTS: This species is similar to the more common 



S. acutus and may be more common than records 



indicate. 



SCIENTIFIC NAME: SCIRPUS PUMILUS Vahl 

 COMMON NAME: Small clubrush 

 FAMILY: Cyperaceae (Sedge Family) 

 PERTINENT SYNONYMS: Trichophorum pumilum (Vahl) 

 Schinz & Thell. 

 MONTANA STATUS: Sensitive 

 GLOBAL and STATE RANKS (TNC): G5/S1 

 USFWS STATUS: None 

 USFS STATUS: None 

 GLOBAL DISTRIBUTION: Circumboreal south to Alta., MT, 



WY and CO. 

 MONTANA COUNTIES: Glacier, Teton 

 LAND OWNERSHIP: Private 



PHYSIOGRAPHIC DISTRIBUTION: Front Range Mtns. 

 HABITAT: Calcareous fens in the foothills, 1400-1465 



m (4,600-4,800 ft) 

 PHENOLOGY: Mature fruit in July 

 COMMENTS: This species is locally abundant in its 



restricted habitat. 

 COMMENTS: This species is currently known from only 

 two sites in the state. 



SCIENTIFIC NAME: SCIRPUS HUOSONIANUS (Michx.) Fern. 



COMMON NAME: Hudson's Bay bulrush 



FAMILY: Cyperaceae (Sedge Family) 



PERTINENT SYNONYMS: Eriophorum hudsonianum Michx., E^ 



alpinum L . 

 MONTANA STATUS: Sensitive 

 GLOBAL and STATE RANKS (TNC): G5/S1 

 USFWS STATUS: None 

 USFS STATUS: None 

 GLOBAL DISTRIBUTION: Circumboreal, south in N. 



America to CN, Sask., and nw. MT. Peripheral. 

 MONTANA COUNTIES: Flathead, Glacier 

 LAND OWNERSHIP: Glacier N.P. 

 PHYSIOGRAPHIC DISTRIBUTION: Lewis Range, Livingston 



Range. 

 HABITAT: Wet, cold, boggy areas in the montane zone, 



1160-1830 m (3,800-6,000 ft.) 

 PHENOLOGY: Mature fruit in July through August 

 COMMENTS: This species is very rare and local in 



Glacier Park. These populations are the only ones 



known in the western continental U.S. 



SCIENTIFIC NAME: SCIRPUS SUBTERMINALIS Torr. 



COMMON NAME: Water clubrush 



FAMILY: Cyperaceae (Sedge Family) 



MONTANA STATUS: Sensitive 



GLOBAL and STATE RANKS (TNC): G4G5/S1 



USFWS STATUS: None 



USFS STATUS: Watch List 



STATUS IN OTHER STATES: Rare in WY 



GLOBAL DISTRIBUTION: AK to Newf., south to GA, MO, 



WY, UT, ID and OR, absent in the Great Plains. 



Sparse. 

 MONTANA COUNTIES: Flathead, Lewis & Clark, Lincoln, 



Missoula 

 LAND OWNERSHIP: Kootenai N.F., Lewis & Clark N.F., 



Lolo N.F., Glacier National Park, private 

 PHYSIOGRAPHIC DISTRIBUTION: Upper Flathead River, 



Blackfoot River and Tobacco River drainages 

 HABITAT: Shallow, fresh water and boggy margins of 



ponds, lakes, and sloughs in the valley, foothill, 



and montane zones, 880-1800 m (2,900-5,900 ft.) 

 PHENOLOGY: Flowering from late June through July, 



mature fruit in August 

 COMMENTS: The population from Glacier National Park 



has not been relocated. 



