SCIENTIFIC NAME: MACHAERAMTHERA C0M1IXTA Greene 



COMMON NAME: Mixed aster 



FAMILY: Asteraceae (Sunflower Family) 



PERTINENT SYNONYMS: M^ canescens (Pursh) Gray var. 



monticola Dorn 

 MONTANA STATUS: Sensitive 

 GLOBAL and STATE RANKS (TNC): G3G4/S1 

 USFUS STATUS: None 

 USFS STATUS: None 

 GLOBAL DISTRIBUTION: Central ID and sw. MT to UY and 



UT. Peripheral 

 MONTANA COUNTIES: Madison 

 LAND OWNERSHIP: BLM, Butte District 

 PHYSIOGRAPHIC DISTRIBUTION: Ruby Range 

 HABITAT: Slopes and ridges at mid- to high elevations 



in the mountains; 2700 m (8,860 ft.) in MT 

 PHENOLOGY: Flowering August 

 COMMENTS: This species has been collected only once 



in Montana. 



SCIENTIFIC NAME: MADIA MINIMA (Gray) Keck 



COMMON NAME: Small -headed tarweed 



FAMILY: Asteraceae (Sunflower Family) 



MONTANA STATUS: Sensitive 



GLOBAL and STATE RANKS (TNC): G4/S1 



USFUS STATUS: None 



USFS STATUS: None 



STATUS IN OTHER STATES: Rare in B.C. 



GLOBAL DISTRIBUTION: UA, n. ID, nw. MT, and s. B.C., 



s. to CA. Peripheral. 

 MONTANA COUNTIES: Lincoln, Missoula, Ravalli, Sanders 

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



Kootenai N.F. 

 PHYSIOGRAPHIC DISTRIBUTION: Bitterroot Mtns., Bull 



River drainage. Cabinet Mtns., Mission Mtns., Yaak 



River drainage 

 HABITAT: Dry, open woods, prairies, and slopes, at 



low to mid-elevations in the mountains; 870-1525 m 



(2,850-5,000 ft.) 

 PHENOLOGY: Flowering May-June, fruiting June-July 

 COMMENTS: This plant is likely to be more common than 



records indicate. 



SCIENTIFIC NAME: MAIANTHEMUM CANADENSE Desf. 



COMMON NAME: Wild I i ly-of -the- val ley 



FAMILY: Li I iaceae (Li ly Fami ly) 



MONTANA STATUS: Sensitive 



GLOBAL and STATE RANKS (TNC): G5/SH 



USFUS STATUS: None 



USFS STATUS: None 



GLOBAL DISTRIBUTION: Southern Canada south to NC, IN, 



SD and WY. Peripheral. 

 MONTANA COUNTIES: Carter 

 LAND OWNERSHIP: Private 

 PHYSIOGRAPHIC DISTRIBUTION: Little Missouri River 



Va 1 1 ey 

 HABITAT: Moist humus soil in riparian forest on the 



plains, ca. 1036 m (3,400 ft.) 

 PHENOLOGY: Flowering in June 

 COMMENTS: The only Montana collection of this species 



was made 40 years ago. Our plants are var. interius 



SCIENTIFIC NAME: MALACOTHRIX TORREYI Gray 



COMMON NAME: Desert dandelion 



FAMILY: Asteraceae (Sunflower Family) 



MONTANA STATUS: Sensitive 



GLOBAL and STATE RANKS (TNC): G4/S1 



USFUS STATUS: None 



USFS STATUS: None 



STATUS IN OTHER STATES: Monitor list in ID, watch 



list in OR 

 GLOBAL DISTRIBUTION: Southcentral MT, WY, to se. OR, 



s. to AZ, NV, and CA(?); also ec. ID. Disjunct. 

 MONTANA COUNTIES: Carbon 

 LAND OWNERSHIP: BLM, Miles City District 

 PHYSIOGRAPHIC DISTRIBUTION: Pryor Mtns. -Big Horn 



Canyon area 

 HABITAT: Dry plains and hills, 1570 m (5,140 ft.) 

 PHENOLOGY: Flowering in June 



SCIENTIFIC NAME: MENTZELIA MONTANA (Davids.) Davids. 



COMMON NAME: Mountain blazing star 



FAMILY: Loasaceae (Blazing Star Family) 



MONTANA STATUS: Sensitive 



GLOBAL and STATE RANKS (TNC): G4/SU 



USFUS STATUS: None 



USFS STATUS: Uatch List 



GLOBAL DISTRIBUTION: Southern OR to s. MT, south to 



CA, TX and Mex. 

 MONTANA COUNTIES: Park 

 LAND OUNERSHIP: Unknown 

 PHYSIOGRAPHIC DISTRIBUTION: Yellowstone River 



drainage 

 HABITAT: Grasslands and open slopes in the valley and 



montane zone 

 PHENOLOGY: Unknown 



SCIENTIFIC NAME: MENTZELIA NUDA (Pursh) T. & G. 



COMMON NAME: Bract less mentzelia 



FAMILY: Loasaceae (Blazing Star Family) 



MONTANA STATUS: Sensitive 



GLOBAL and STATE RANKS (TNC): G5/SU 



USFUS STATUS: None 



USFS STATUS: Uatch List 



GLOBAL DISTRIBUTION: Eastern MT and SD south to CO KS 



and TX. Peripheral . 

 MONTANA COUNTIES: Big Horn, Custer, Dawson, Rosebud, 



Treasure 

 LAND OWNERSHIP: Unknown 

 PHYSIOGRAPHIC DISTRIBUTION: Great Plains 

 HABITAT: Sandy or gravelly soil of hills and 



roadsides, 640-760 m (2,100-2,500 ft.) 

 PHENOLOGY: Unknown 



SCIENTIFIC NAME: MENTZELIA PUMILA Torr. & Gray 



COMMON NAME: Dwarf mentzelia 



FAMILY: Loasaceae (Blazing Star Family) 



MONTANA STATUS: Sensitive 



GLOBAL and STATE RANKS (TNC): G4/S1 



USFUS STATUS: None 



USFS STATUS: None 



STATUS IN OTHER STATES: Threatened in NO 



GLOBAL DISTRIBUTION: ND and sc. MT to CO, UT and NV. 



Peripheral . 

 MONTANA COUNTIES: Carbon 



LAND OWNERSHIP: BLM, Miles City District; private 

 PHYSIOGRAPHIC DISTRIBUTION: Pryor Mtns.- Big Horn 



Canyon area 

 HABITAT: Open, usually sandy soil in desert shrubland 



and woodland in the valley and foothill zones, 



1310-1520 m (4,300-5,000 ft.) 

 PHENOLOGY: Flowering in June and early July 

 COMMENTS: Known Montana populations of this species 



are generally small and local. 



