SENSITIVE 



SCIENTIFIC NAME: CHRYSOSPLENIUH TETRANDRUM (Lund) 



COMMON NAME: Northern golden-carpet 



FAMILY: Saxif ragaceae (Saxifrage Family) 



MONTANA STATUS: Sensitive 



GLOBAL and STATE RANKS (TNC): G4G5/S2 



USFUS STATUS: None 



USFS STATUS: Sensitive 



STATUS IN OTHER STATES: Sensitive in WA 



GLOBAL DISTRIBUTION: Ci rcumpolar, south in N. Americ 



to B.C., UA, and CO. Peripheral. 

 MONTANA COUNTIES: Ravalli 

 LAND OWNERSHIP: Bitterroot N.F. 

 PHYSIOGRAPHIC DISTRIBUTION: Bitterroot Mtns., 



Sapphire Mtns. 

 HABITAT: Seeps, wet rock ledges, and banks in the 



montane zone, 1220-1525 m (4,000-5,000 ft.) 

 PHENOLOGY: Flowering in June and July 

 COMMENTS: This small plant may be easily overlooked. 



SCIENTIFIC NAME: CIRSIUM BREVISTYLUM Cronq. 



COMMON NAME: Short-styled thistle 



FAMILY: Asteraceae (Sunflower Family) 



MONTANA STATUS: Sensitive 



GLOBAL and STATE RANKS (TNC): G4/S1 



USFUS STATUS: None 



USFS STATUS: None 



GLOBAL DISTRIBUTION: B.C. to CA, east to n. 10 and w. 



MT. Peripheral. 

 MONTANA COUNTIES: Flathead, Mineral, Sanders 

 LAND OWNERSHIP: Kootenai N.F., Lolo N.F. 

 PHYSIOGRAPHIC DISTRIBUTION: Northern Bitterroot 



Range, Flathead River drainage 

 HABITAT: Open, often disturbed habitats in the 



montane zone, 910-1280 m (3,000-4,200 ft.) 

 PHENOLOGY: Flowering in June and July 

 COMMENTS: The collection from Flathead Co. is nearly 



100 years old. 



SCIENTIFIC NAME: CHRYSOTHAHNUS LINIFOLIUS Greene 



COMMON NAME: Lineleaf rabbitbrush 



FAMILY: Asteraceae (Sunflower Family) 



MONTANA STATUS: Sensitive 



GLOBAL and STATE RANKS (TNC): G5/SH 



USFWS STATUS: None 



USFS STATUS: None 



GLOBAL DISTRIBUTION: Southwest MT to AZ and NM. 



Peripheral . 

 MONTANA COUNTIES: Yellowstone 

 LAND OWNERSHIP: Private(?) 

 PHYSIOGRAPHIC DISTRIBUTION: Yellowstone River 



drainage 

 HABITAT: Mostly alkaline areas, 1010 m (3,310 ft.) 

 PHENOLOGY: Flowering in September 

 COMMENTS: This species has only been collected once 



in Montana, in 1932. 



SCIENTIFIC NAME: CHRYSOTHAHNUS PARRYI (Gray) Greene 



ssp. HONTANUS Anders. 

 COMMON NAME: Alpine rabbitbrush 

 FAMILY: Asteraceae (Sunflower Family) 

 MONTANA STATUS: Sensitive 

 GLOBAL and STATE RANKS (TNC): G5T1/S1 

 USFWS STATUS: C2 

 USFS STATUS: None 



STATUS IN OTHER STATES: Sensitive in ID 

 GLOBAL DISTRIBUTION: Clark Co., 



The range of the species as a 



south to CA and CO. Regional 

 MONTANA COUNTIES: Beaverhead 

 LAND OWNERSHIP: Beaverhead N.F. 

 PHYSIOGRAPHIC DISTRIBUTION: Beaverhead Mtns. 

 HABITAT: Rocky, open slopes near timberline 

 PHENOLOGY: Flowering August and September 

 COMMENTS: This rare plant was recently described by 



Anderson (1978). 



ID and adjacent MT. 

 whole is WY and NE 

 endemic. 



SCIENTIFIC NAME: CIRSIUM LOWGISTYLUM Moore & Frankton 



COMMON NAME: Long- styled thistle 



FAMILY: Asteraceae (Sunflower Family) 



MONTANA STATUS: Sensitive 



GLOBAL and STATE RANKS (TNC): G2Q/S2 



USFWS STATUS: C2 



USFS STATUS: Watch list 



GLOBAL DISTRIBUTION: Central MT. Regional endemic. 



MONTANA COUNTIES: Broadwater, Cascade, Judith Basin, 



Meagher 

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



private 

 PHYSIOGRAPHIC DISTRIBUTION: Little Belt Mtns., one 



station in Big Belt Mtns. 

 HABITAT: Meadows, slopes and roadsides, at moderate 



elevations in the mountains, 1425-2450 m 



(4,680-8,040 ft.) 

 PHENOLOGY: Flowering in late June and July 

 COMMENTS: This Montana endemic is generally 



well-marked, although there is morphological 



evidence of hybridization in several populations, 



especially in disturbed areas. It is thought to be 



hybridizing with either C^ hooker ianum or C^ t weedy i 



(G. Ounbey, pers. comm.). 



