SCIENTIFIC NAME: HETEROCOOON RARIFLORUM Nutt. 



COMMON NAME: Western pearl -flower 



FAMILY: Campanulaceae (Bellflower Family) 



MONTANA STATUS: Sensitive 



GLOBAL and STATE RANKS (TNC): G5/S1 



USFWS STATUS: None 



USFS STATUS: None 



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



GLOBAL DISTRIBUTION: Southern B.C., ID, and nw. MT, 



to CA, NV, and WY. Sparse. 

 MONTANA COUNTIES: Lake, Ravalli, Sanders 

 LAND OWNERSHIP: Bitterroot N.F., Kootenai N.F; 



private? 

 PHYSIOGRAPHIC DISTRIBUTION: Bitterroot Mtns., Bull 



River drainage, Flathead Valley 

 HABITAT: Moist, open places in the foothills and 



valleys, extending up to mid-elevations in the 



mountains; 840-2135 m (2,750-7,000 ft.) 

 PHENOLOGY: Flowering June-July, fruiting June-August 

 COMMENTS: The Lake County location (M.E. Jones, 1909) 



has not been verified. Two sites were found in the 



Bull River drainage in 1989. 



SCIENTIFIC NAME: IPGMOPSIS CONGESTA (Hook.) Grant 



ssp. CREBRI FOLIA (Nutt.) Day 

 COMMON NAME: Ball head gilia 

 FAMILY: Polemoniaceae (Phlox Family) 

 PERTINENT SYNONYMS: Gilia conqesta Hook. var. 



crebrifolia (Nutt.) Gray, 1 pomops i s crebrifol ia 



(Nutt.) Dorn, 

 MONTANA STATUS: Sensitive 

 GLOBAL and STATE RANKS (TNC): G4T4/S1 

 USFWS STATUS: None 

 USFS STATUS: None 

 GLOBAL DISTRIBUTION: Southwest MT and w. WY. The 



species as a whole occurs from OR to CA, east to MT 



and NE. Regional endemic. 

 MONTANA COUNTIES: Beaverhead, reported for Madison 

 LAND OWNERSHIP: BLM, Butte District; private 

 PHYSIOGRAPHIC DISTRIBUTION: Upper Beaverhead River 



drainage 

 HABITAT: Open, often eroding, sandy soil in the 



foothill zone, 2040-2100 m (6,700-6,900 ft.) 

 PHENOLOGY: Flowering in June and early July 

 COMMENTS: This plant is locally common in a small 



area of southern Beaverhead Co. 



SCIENTIFIC NAME: HUTCHINSIA PROCUMBENS (L.) Desv. 



COMMON NAME: Hutchinsia 



FAMILY: Brassicaceae (Mustard Family) 



PERTINENT SYNONYMS: Hymenolobus procumbens (L.) Nutt. 



MONTANA STATUS: Sensitive 



GLOBAL and STATE RANKS (TNC): G5/S1 



USFWS STATUS: None 



USFS STATUS: None 



STATUS IN OTHER STATES: Rare in B.C. 



GLOBAL DISTRIBUTION: B.C. to CA, east to sw. MT, WY, 



and CO, disjunct in Lab. and Newf.; Eurasia. 



Peripheral . 

 MONTANA COUNTIES: Beaverhead 



LAND OWNERSHIP: BLM, Butte District; private (?) 

 PHYSIOGRAPHIC DISTRIBUTION: Beaverhead River drainage 

 HABITAT: Open soil beneath shrubs in sagebrush 



grassland in the valley and foothill zones, 



1680-2090 m (5,500-6,800 ft.) 

 PHENOLOGY: Flowering in June, mature fruit in July 

 COMMENTS: There is only one recent Montana collection 



of this species. 



SCIENTIFIC NAME: IPOHOPSIS PUMILA (Nutt.) Grant 



COMMON NAME: Dwarf ipomopsis 



FAMILY: Polemoniaceae (Phlox Family) 



PERTINENT SYNONYMS: Gilia pumila Nutt. 



MONTANA STATUS: Sensitive 



GLOBAL and STATE RANKS (TNC): G4/S1 



USFWS STATUS: None 



USFS STATUS: None 



GLOBAL DISTRIBUTION: South-central MT and w. WY, 



south to AZ, NM, NE, CO, and TX. Peripheral. 

 MONTANA COUNTIES: Carbon 

 LAND OWNERSHIP: BLM, Miles City District; Big Horn 



Canyon N.R.A.(?) 

 PHYSIOGRAPHIC DISTRIBUTION: Pryor Mtns. -Big Horn 



Canyon area 

 HABITAT: Open, sandy soil in sagebrush-grassland and 



desert shrubland in the valley and foothill zones, 



1340-1490 m (4,400-4,900 ft.) 

 PHENOLOGY: Flowering in June and early July 



SCIENTIFIC NAME: IDAHOA SCAPIGERA (Hook.) Nels. & 



Macbr. 

 COMMON NAME: Scalepod 

 FAMILY: Brassicaceae (Mustard Family) 

 MONTANA STATUS: Sensitive 

 GLOBAL and STATE RANKS (TNC): G5/S1 

 USFWS STATUS: None 

 USFS STATUS: None 

 GLOBAL DISTRIBUTION: WA to CA, east to ID and w. MT. 



Peripheral. 

 MONTANA COUNTIES: Ravalli 

 LAND OWNERSHIP: Bitterroot N.F. 

 PHYSIOGRAPHIC DISTRIBUTION: Bitterroot Range 

 HABITAT: Vernal ly moist, open soil on rock ledges in 



the foothill zone, 1400 m (4500 ft.) 

 PHENOLOGY: Flowering in March and April 

 COMMENTS: This inconspicuous plant can easily be 



overlooked and may be more common than records 



indicate. 



SCIENTIFIC NAME: JUNCUS ACUMINATUS Michx. 



COMMON NAME: Tapered rush 



FAMILY: Juncaceae (Rush Family) 



MONTANA STATUS: Sensitive 



GLOBAL and STATE RANKS (TNC): G5/S1 



USFWS STATUS: None 



USFS STATUS: None 



GLOBAL DISTRIBUTION: ME to B.C., south to GA, MO, AZ, 



and CA. Sparse. 

 MONTANA COUNTIES: Teton 

 LAND OWNERSHIP: Private 



PHYSIOGRAPHIC DISTRIBUTION: Northern Great Plains 

 HABITAT: Wet soil around ponds and marshes in the 



foothill and valley zones and on the plains, ca. 



1370 m (4,500 ft.) 

 PHENOLOGY: Mature fruit in late July 

 COMMENTS: There is only one cpnfirmed location for 



this species in Montana. 



