LIMITED DISTRIBUTION 



SCIENTIFIC NAME: SPHAEROMERIA CAPITATA Nutt. 

 COMMON NAME: Rock tansy, cluster-headed tansy 

 FAMILY: Asteraceae (Sunflower Family) 

 PERTINENT SYNONYMS: Tanacetum capitatum (Nutt.) 



T. & G. 

 MONTANA STATUS: Limited Distribution 

 GLOBAL and STATE RANKS (TNC): G3/S2 

 USFWS STATUS: None 

 USFS STATUS: None 

 GLOBAL DISTRIBUTION: Southern MT, WY and s. UT. 



Regional endemic. 

 MONTANA COUNTIES: Beaverhead, Carbon 

 LAND OWNERSHIP: BLM, Butte District, Miles City 



District; Big Horn Canyon N.R.A. 

 PHYSIOGRAPHIC DISTRIBUTION: Upper Beaverhead River 



drainage, Pryor Mtns.- Big Horn canyon area 

 HABITAT: Shallow, limestone-derived soil on rock 



outcrops in sagebrush grassland, desert shrubland, 



and juniper woodland in the valley and foothill 



zones, 1370-1740 m (4,500-5,700 ft.) 

 PHENOLOGY: Flowering in late May through early July 

 COMMENTS: This species is locally common in the Big 



Horn Canyon area. 



SCIENTIFIC NAME: WOLFFIA PUNCTATA Griseb. 



COMMON NAME: Spotted water-meal 



FAMILY: Lemnaceae (Duckweed Family) 



MONTANA STATUS: Limited Distribution 



GLOBAL and STATE RANKS (TNC): G5/S2 



USFUS STATUS: None 



USFS STATUS: None 



GLOBAL DISTRIBUTION: Ont. to MN, south to FL and TX, 



UA to nw. MT, south to CA, West Indes. Peripheral. 

 MONTANA COUNTIES: Lake, Missoula, Ravalli 

 LAND OWNERSHIP: Flathead Indian Res., private 

 PHYSIOGRAPHIC DISTRIBUTION: Flathead River, 



Bitterroot River and Clark Fork River draianages 

 HABITAT: Fresh water of ponds and sloughs in the 



valley zone ca. 910-980 m (3,000-3,200 ft.) 

 PHENOLOGY: This plant is not known to bloom in 



Montana 

 COMMENTS: This species is locally common in the 



Mission and Bitterroot valleys. 



SCIENTIFIC NAME: SYNTHYRIS CANBYI Pennell 



COMMON NAME: Mission Mountain kittentails 



FAMILY: Scrophulariaceae (Figwort Family) 



MONTANA STATUS: Limited Distribution 



GLOBAL and STATE RANKS (TNC): G2/S2 



USFWS STATUS: 3C 



USFS STATUS: Watch List 



GLOBAL DISTRIBUTION: Northwest MT. Regional endemic. 



MONTANA COUNTIES: Lake, Missoula 



LAND OWNERSHIP: Flathead N.F., Flathead Indian Res. 



PHYSIOGRAPHIC DISTRIBUTION: Mission Range, Swan Range 



HABITAT: Open, rocky, usually calcareous soil of 



talus slopes and windswept ridge tops in the 



subalpine and alpine zones, 2290-2900 m 



(7,500-9,500 ft.) 

 PHENOLOGY: Flowering from late June through early 



August 

 COMMENTS: This Montana endemic is locally common in 



the Mission Range. Specimens from the Jocko Mtns. 



appear intermediate between S^ canbyi and S^ 



pinnatif ida . 



