SCIENTIFIC NAME: DELPHIMIUM GEYERI Greene 



COMMON NAME: Geyer's larkspur 



FAMILY: Ranunculaceae (Buttercup Family) 



MONTANA STATUS: Sensitive 



GLOBAL and STATE RANKS (TNC): G5/SU 



USFWS STATUS: None 



USFS STATUS: None 



GLOBAL DISTRIBUTION: MT south to NE, CO and UT. 



Peripheral . 

 MONTANA COUNTIES: Beaverhead, Carbon 

 LAND OWNERSHIP: BLM, Butte District, Miles City 



District 

 PHYSIOGRAPHIC DISTRIBUTION: Beaverhead River 



drainage, Pryor Mtns.-Big Horn Canyon area 

 HABITAT: Open slopes and thickets at lower 



elevations, 1370-1980 m (^,500-6,500 ft.) 

 PHENOLOGY: Flowering in June 

 COMMENTS: This species has been collected only twice 



in Montana, and both populations were small. It is 



more common to the south. 



SCIENTIFIC NAME: DRABA FLADNIZENSIS Uulfen 

 COMMON NAME: Austrian whitlow-wort, white arctic 



whitlow-grass 

 FAMILY: Brassicaceae (Mustard Family) 

 MONTANA STATUS: Sensitive 

 GLOBAL and STATE RANKS (TNC): G4/S1 

 USFUS STATUS: None 

 USFS STATUS: None 



STATUS IN OTHER STATES: Sensitive in ID 

 GLOBAL DISTRIBUTION: Ci rcunipolar, south in N. America 



to B.C., UT, and CO. Sparse. 

 MONTANA COUNTIES: Carbon 

 LAND OWNERSHIP: Custer N.F. 

 PHYSIOGRAPHIC DISTRIBUTION: Beartooth Mtns. 

 HABITAT: Rocky, open soil at high elevations in the 



alpine zone, 3350 m (11,000 ft.) 

 PHENOLOGY: Flowering in July and August 

 COMMENTS: There has been only one collection of this 



species in Montana. 



SCIENTIFIC NAME: DICHANTHELIUM OLIGOSAMTHES (Schult.) 



Gould 

 COMMON NAME: Few-flowered panic-grass 

 FAMILY: Poaceae (Grass Family) 

 PERTINENT SYNONYMS: Panicum oligosanthes Schult., P^ 



scribnerianum Nash 

 MONTANA STATUS: Sensitive 

 GLOBAL and STATE RANKS (TNC): G5/SH 

 USFWS STATUS: None 

 USFS STATUS: None 

 GLOBAL DISTRIBUTION: Ont. to B.C., south throughout 



most of the U.S. and n. Mexico. Sparse 

 MONTANA COUNTIES: Powder River 

 LAND OWNERSHIP: Custer N.F.(?), private(?) 

 PHYSIOGRAPHIC DISTRIBUTION: Northern Great Plains 

 HABITAT: Sandy, open soil in pine woodland in upland 



regions on the plains 

 PHENOLOGY: Mature fruit in June 

 COMMENTS: Collected only once in Montana, 40 years 



ago. Represented by var. scibnerianum (Nash) Gould 



in Montana. 



SCIENTIFIC NAME: DRABA NAC^JNII Schulz 



COMMON NAME: Macoun's whitlow-wort, Macoun's draba 



FAMILY: Brassicaceae (Mustard Family) 



MONTANA STATUS: Sensitive 



GLOBAL and STATE RANKS (TNC): G3G4/S1 



USFUS STATUS: None 



USFS STATUS: None 



STATUS IN OTHER STATES: Rare in B.C. 



GLOBAL DISTRIBUTION: AK south to nw. MT. Periphera 



MONTANA COUNTIES: Flathead, Glacier 



LAND OWNERSHIP: Glacier National Park 



PHYSIOGRAPHIC DISTRIBUTION: Lewis Range 



HABITAT: Wet rock ledges and moist tundra in the 



alpine zone, 2070-2440 m (6,800-8,000 ft.) 

 PHENOLOGY: Flowering in July 

 COMMENTS: The only known populations of this plant 



the continental U.S. are confined to a small area 



the center of Glacier Park. 



SCIENTIFIC NAME: DRABA APIOJLATA Hitchc. 

 COMMON NAME: Pointed draba 

 FAMILY: Brassicaceae (Mustard Family) 

 PERTINENT SYNONYMS: D^ dens i folia Nutt. var. 



apiculata (Hitchc.) Welsh 

 MONTANA STATUS: Sensitive 

 GLOBAL and STATE RANKS (TNC): G4G5/S1 

 USFWS STATUS: None 

 USFS STATUS: None 

 GLOBAL DISTRIBUTION: Southwest MT, nw. UY, and nw. 



UT. Regional endemic. 

 MONTANA COUNTIES: Madison 

 LAND OWNERSHIP: Gallatin N.F. 

 PHYSIOGRAPHIC DISTRIBUTION: Madison Range 

 HABITAT: Moist, open, gravelly, often 



limestone-derived soil in the alpine zone, 



3050-3260 m (10,000-10,700 ft.) 

 PHENOLOGY: Mature fruit in August 

 COMMENTS: Both known Montana populations are small. 



SCIENTIFIC NAME: DRABA PORSILDII Mulligan 



COMMON NAME: Porsild's whitlow-wort, Porsild's draba 



FAMILY: Brassicaceae (Mustard Family) 



MONTANA STATUS: Sensitive 



GLOBAL and STATE RANKS (TNC): G3/S1 



USFWS STATUS: None 



USFS STATUS: None 



STATUS IN OTHER STATES: Rare in B.C. 



GLOBAL DISTRIBUTION: AK south to B.C. and MT. 



Peripheral . 

 MONTANA COUNTIES: Carbon 

 LAND OWNERSHIP: Custer N.F. 

 PHYSIOGRAPHIC DISTRIBUTION: Beartooth Mtns. 

 HABITAT: Gravelly, open soil in the alpine zone, 



2740-4000 m (9,000-11,800 ft.) 

 PHENOLOGY: Flowering in July, Mature fruit in July 



and August 

 COMMENTS: Montana populations of this species are 



sma 1 1 . 



