SENSITIVE 



SCIENTIFIC NAME: BALSAMORHIZA MACROPHYLLA Nutt. 



COMMON NAME: Large-leaved balsamroot 



FAMILY: Asteraceae (Sunflower Family) 



MONTANA STATUS: Sensitive 



GLOBAL and STATE RANKS (TNC): G3G4/S1 



USFWS STATUS: None 



USFS STATUS: Watch list 



GLOBAL DISTRIBUTION: N. UT, se. ID, through w. WY to 



the n. edge of the Snake R. plains, thence e. to 



Clark Co., ID, and n. to Gallatin Co., MT. 



Peripheral . 

 MONTANA COUNTIES: Gallatin 

 LAND OWNERSHIP: Gallatin N.F. 

 PHYSIOGRAPHIC DISTRIBUTION: Madison Range, Gallatin 



Range 

 HABITAT: Open hills, 2130-2600 m (7,000-8,500 ft.) 

 PHENOLOGY: Flowering in late June and early July 

 COMMENTS: The two historical collections in Gallatin 



Co. (1928, 1931) were searched for in 1989; only one 



was relocated. 



SCIENTIFIC NAME: BOISOUVALIA DEHSIFLORA (Lindl.) 



Wats. 

 COMMON NAME: Dense spike- primrose 

 FAMILY: Onagraceae (Evening-primrose Family) 

 MONTANA STATUS: Sensitive 

 GLOBAL and STATE RANKS (TNC): G5/S1 

 USFWS STATUS: None 

 USFS STATUS: None 



STATUS IN OTHER STATES: Rare in B.C. 

 GLOBAL DISTRIBUTION: B.C. to Baja Cal., east to nw. 



MT, ID, and NV. Peripheral. 

 MONTANA COUNTIES: Sanders 



LAND OWNERSHIP: Flathead Indian Res.(?), private(?) 

 PHYSIOGRAPHIC DISTRIBUTION: Little Bitterroot River 



drainage 

 HABITAT: Vernally wet soil, often around ponds in the 



val leys. 

 PHENOLOGY: Unknown 

 COMMENTS: This species has not been collected 



recently in Montana. 



SCIENTIFIC NAME: BIDENS COMOSA (Gray) Wieg. 



COMMON NAME: Beggar- ticks 



FAMILY: Asteraceae (Sunflower Family) 



PERTINENT SYNONYMS: B^ tripartita L. (in part) 



MONTANA STATUS: Sensitive 



GLOBAL and STATE RANKS (TNC): G5/S1 



USFWS STATUS: None 



USFS STATUS: None 



GLOBAL DISTRIBUTION: ID to Que., south to NC, LA, and 



NM. Peripheral. 

 MONTANA COUNTIES: Phillips, Richland 

 LAND OWNERSHIP: private 

 PHYSIOGRAPHIC DISTRIBUTION: Northern Great Plains, 



Yel lowstone River 

 HABITAT: Moist soil along rivers, streams and ponds 



on the plains 

 PHENOLOGY: Flowering in August and September 



SCIENTIFIC NAME: BOTRYCHIUM HESPERIUM (Maxon & 



Clausen) Wagner & Lellinger 

 COMMON NAME: Western moonwort 

 FAMILY: Ophioglossaceae (Grapefern Family) 

 MONTANA STATUS: Sensitive 

 GLOBAL and STATE RANKS (TNC): G37/S1 

 USFWS STATUS: None 

 USFS STATUS: None 



STATUS IN OTHER STATES: Undetermined in SD 

 GLOBAL DISTRIBUTION: Southwestern Alta., nw. Montana, 



and central CO. Regional endemic. 

 MONTANA COUNTIES: Flathead, Glacier 

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



Blackfeet Indian Res. 

 PHYSIOGRAPHIC DISTRIBUTION: Major valleys on both 



sides of the Lewis and Livingston ranges 

 HABITAT: Meadoes and grasslands in the valley and 



foothills zones, 940-1500 m (3,100-4,900 ft.) 

 PHENOLOGY: Mature fronds in June and July 



COMMENTS: In the past, this species has been confused 

 with B^ matricari ifol ium . One population in Glacier 

 National Park cannot be relocated and is presumed 

 extirpated. 



SCIENTIFIC NAME: BIDENS VULGATA Greene var. 

 SCHIZANTHA Lunnell 

 COMMON NAME: Tall burr-marigold 

 FAMILY: Asteraceae (Sunflower Family) 

 MONTANA STATUS: Sensitive 

 GLOBAL and STATE RANKS (TNC): G5T7/S1 

 USFWS STATUS: None 

 USFS STATUS: None 



STATUS IN OTHER STATES: Rare in Alta. 

 GLOBAL DISTRIBUTION: Alta to. w. Ont. and ne. MT. 



The species as a whole ranges from Que. to GA, west 



to WA and CA, adventive elsewhere. Peripheral. 

 MONTANA COUNTIES: Richland 

 LAND OWNERSHIP: Private 



PHYSIOGRAPHIC DISTRIBUTION: Northern Great Plains 

 HABITAT: Drying mud at the edge of ponds on the 



plains 

 PHENOLOGY: Flowering in August 

 COMMENTS: This plant is known from only one location 



in Montana, which may also be the only location for 



it in the U.S. 



SCIENTIFIC NAME: BOTRYCHIUM NINGANENSE Vict. 

 COMMON NAME: Mingan Island moonwort 

 FAMILY: Ophioglossaceae (Grape Fern Family) 

 PERTINENT SYNONYMS: B^ lunaria (L.) Sw. var. 



minganense (Vict.) Dole, B^ lunaria ssp. minganense 



(Vict.) Calder & Taylor 

 MONTANA STATUS: Sensitive 

 GLOBAL and STATE RANKS (TNC): G4/S1 

 USFWS STATUS: None 

 USFS STATUS: Watch list 

 STATUS IN OTHER STATES: Rare in B.C., review list in 



ID, endangered in NO, sensitive in WA 

 GLOBAL DISTRIBUTION: AK to Lab., south to NY, MI, MT, 



UT and OR. Sparse. 

 MONTANA COUNTIES: Flathead, Glacier, Lake, Missoula 

 LAND OWNERSHIP: Flathead N.F.; private(?) 

 PHYSIOGRAPHIC DISTRIBUTION: Flathead River and Clark 



Fork River drainages 

 HABITAT: Moist meadows and woods, in acid to 



ci rcumneutral soil, at low to high elevations, ca. 



915-2135 m (3,000-7,000 ft.) 

 PHENOLOGY: July and August, depending on elevation 

 COMMENTS: This species is similar to B^ lunaria and 



B^ crenulatum . It may occur in successional 



microhabitats; thus some popolations may be 



ephemeral . 



