SCIENTIFIC NAME: CALANAGROSTIS TUEEDYI (Scribn.) 



Scribn. 

 COMMON NAME: Cascade reedgrass 

 FAMILY: Poaceae (Grass Family) 

 MONTANA STATUS: Sensitive 

 GLOBAL and STATE RANKS (TNC): G3/S2 

 USFWS STATUS: C2 

 USFS STATUS: Sensitive 

 STATUS IN OTHER STATES: Category 2 (threatened) in 



ID, sensitive in UA 

 GLOBAL DISTRIBUTION: WA, n. ID, and w. MT. 



Peripheral . 

 MONTANA COUNTIES: Mineral, Missoula, Ravalli, Sanders 

 LAND OWNERSHIP: Lolo N.F. 

 PHYSIOGRAPHIC DISTRIBUTION: Bitterroot River and 



Clark Fork River drainages 

 HABITAT: Usually growing in timber, sometimes in 



open, recently logged areas, often with Carex 



geyeri . 1280-1880 m (4,200-6,160 ft.) 

 PHENOLOGY: Flowering in July 

 COMMENTS: This species has been found to flower most 



prolifically in more open areas. 



SCIENTIFIC NAME: CALOCHORTUS BRUNEAUNIS Nels. & 



Macbr. 

 COMMON NAME: Bruneau mariposa 

 FAMILY: Liliaceae (Lily Family) 

 PERTINENT SYNONYMS: C^ nuttallii T. & G. var. 



bruneaunis Owenby 

 MONTANA STATUS: Sensitive 

 GLOBAL and STATE RANKS (TNC): G5/SH 

 USFWS STATUS: None 

 USFS STATUS: None 

 GLOBAL DISTRIBUTION: OR, ID, and sw. MT, south to UT, 



NV, and CA. Peripheral. 

 MONTANA COUNTIES: Madison 

 LAND OWNERSHIP: Beaverhead N.F. 

 PHYSIOGRAPHIC DISTRIBUTION: Gravelly Range 

 HABITAT: Sagebrush grasslands in the montane zone, 



2100 m (6,900 ft) 

 PHENOLOGY: Flowering in July 

 COMMENTS: The only Montana collection was made over 



90 years ago. This species is very similar to the 



more common C. nuttallii. 



SCIENTIFIC NAME: CAHISSONIA MINOR (A. Nels.) Raven 



COMMON NAME: Smal I -flowered evening-primrose 



FAMILY: Onagraceae (Evening-primrose Family) 



PERTINENT SYNONYMS: Oenothera minor (A. Nels.) Munz 



MONTANA STATUS: Sensitive 



GLOBAL and STATE RANKS (TNC): G4/S1 



USFWS STATUS: None 



USFS STATUS: None 



GLOBAL DISTRIBUTION: Eastern WA to ne. CA and to n. 



NV, e. to ID, MT, WY, and CO. Peripheral. 

 MONTANA COUNTIES: Carbon, Rosebud 

 LAND OWNERSHIP: BLM, Mites City District 

 PHYSIOGRAPHIC DISTRIBUTION: Pryor Mtns.- Big Horn 



Canyon area. Great Plains 

 HABITAT: Dry sandy or gravelly soil, 1040-1645 m 



(3,420-5,400 ft.) 

 PHENOLOGY: Flowering May-June 



SCIENTIFIC NAME: CAMISSONIA SCAPOIDEA (T. & G.) Raven 



COMMON NAME: Naked- stemmed evening-primrose 



FAMILY: Onagraceae (Evening-primrose Family) 



PERTINENT SYNONYMS: Oenothera scapoidea T. & G. 



MONTANA STATUS: Sensitive 



GLOBAL and STATE RANKS (TNC): G5/S1 



USFWS STATUS: None 



USFS STATUS: None 



GLOBAL DISTRIBUTION: OR to MT, south to CA, AZ, and 



NM. Peripheral. 

 MONTANA COUNTIES: Carbon, Chouteau, Fergus 

 LAND OWNERSHIP: BLM, Miles City District, Lewistown 



District 

 PHYSIOGRAPHIC DISTRIBUTION: Pryor Mtns.- Big Horn 



Canyon area, Missouri River Breaks 

 HABITAT: Open, often clay or shale-derived soils in 



grassland or woodland habitats in the valley zone or 



the plain, 730-1430 m (2,400-4,700 ft.) 

 PHENOLOGY: Flowering in May or June 

 COMMENTS: Populations of this species in Montana are 



often small. Our plants are ssp. brachycarpa 



(Raven) Raven. 



SCIENTIFIC NAME: (»MISSONIA ANDINA (Nutt.) Raven 



COMMON NAME: Obscure evening-primrose 



FAMILY: Onagraceae (Evening-primrose Family) 



PERTINENT SYNONYMS: Oenothera andina Nutt. 



MONTANA STATUS: Sensitive 



GLOBAL and STATE RANKS (TNC): G4/S1 



USFWS STATUS: None 



USFS STATUS: None 



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



GLOBAL DISTRIBUTION: South-central B.C. to n. CA, 



east to Alta., w. MT, WY, and UT. Peripheral. 

 MONTANA COUNTIES: Carbon, Missoula 

 LAND OWNERSHIP: BLM, Miles City District; private 

 PHYSIOGRAPHIC DISTRIBUTION: Missoula Valley, Pryor 



Mtns.- Big Horn Canyon area 

 HABITAT: Open soil in grassland and sagebrush 



grassland in the valley zone, 940-1650 m 



(3,100-5,400 ft.) 

 PHENOLOGY: Flowering in May 

 COMMENTS: Currently known from only two locations in 



Montana, this inconspicuous plant may be more common 



than records indicate. 



SCIENTIFIC NAME: CAREX CHORDORRHIZA L. 



COMMON NAME: Rope- root sedge, creeping sedge 



FAMILY: Cyperaceae (Sedge Family) 



MONTANA STATUS: Sensitive 



GLOBAL and STATE RANKS (TNC): G5/S1 



USFWS STATUS: None 



USFS STATUS: None 



STATUS IN OTHER STATES: Category 1 (endangered) in 



ID, endangered in ND 



GLOBAL DISTRIBUTION: Ci rcumboreal , south in N. 



America to NY, IN, la, and MT . Peripheral. 

 MONTANA COUNTIES: Flathead 

 LAND OWNERSHIP: Glacier N.P. 

 PHYSIOGRAPHIC DISTRIBUTION: Livingston Range 

 HABITAT: Sphagnum bogs in the montane zone, 1220-1520 



m (4,000-5,000 ft.) 

 PHENOLOGY: Mature fruit in July 

 COMMENTS: The two locations in Glacier Park are the 



only known sites in the western continental U.S. 



