SENSITIVE 



SCIENTIFIC NAME: LESOUERELLA HUMILIS Rollins 



COMMON NAME: Few- seeded bladderpod 



FAMILY: Brassicaceae (Mustard Family) 



MONTANA STATUS: Sensitive 



GLOBAL and STATE RANKS (TNC): G1/S1 



USFWS STATUS: C2 



USES STATUS: Sensitive 



GLOBAL DISTRIBUTION: Ravalli Co., MT. Local endemic. 



MONTANA COUNTIES: Ravalli 



LAND OWNERSHIP: Bitterroot N.F. 



PHYSIOGRAPHIC DISTRIBUTION: Bitterroot Mtns. 



HABITAT: Subalpine and alpine slopes, in krummholz 

 zone and higher; in open, rocky areas on granitic 

 substrates; 2680-2923 m (8,800-9,587 ft.) 



PHENOLOGY: Flowering in late June and July, fruiting 

 in July and early August 



COMMENTS: In spite of thorough field surveys, this 

 recently described species (Rollins 1984) is known 

 from only three summits in the Bitterroot 

 Mountains. It is endemic to Montana. 



SCIENTIFIC NAME: LEUISIA PYCMAEA (Gray) Robbins. van. 



NEVADENSIS (Gray) Fosberg 

 COMMON NAME: Nevada lewisia 

 FAMILY: Portulacaceae (Purslane Family) 

 MONTANA STATUS: Sensitive 

 GLOBAL and STATE RANKS (TNC): G5T4/S1 

 USFWS STATUS: None 

 USES STATUS: None 

 GLOBAL DISTRIBUTION: WA to CA, east to MT and NV; the 



range of the species as a whole is Yuk. to CA, east 



to MT and NM. Peripheral. 

 MONTANA COUNTIES: Beaverhead, Deer Lodge, Ravalli 

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



Deer lodge N.F. 

 PHYSIOGRAPHIC DISTRIBUTION: Bitterroot and Anaconda 



ranges 

 HABITAT: Moist meadows and open forest in the montane 



and subalpine zones, 1705-2135 m (5,600-7,000 ft) 

 PHENOLOGY: Flowering late June to July 

 COMMENTS: Hitchcock et al. (1964) do not consider 



this variety worthy of recognition. 



SCIENTIFIC NAME: LESCXJERELLA PAYSONII Rollins 



COMMON NAME: Payson's bladderpod 



FAMILY: Brassicaceae (Mustard Family) 



MONTANA STATUS: Sensitive 



GLOBAL and STATE RANKS (TNC): G4/S1 



USFWS STATUS: None 



USES STATUS: None 



STATUS IN OTHER STATES: Sensitive in ID 



GLOBAL DISTRIBUTION: Western WY, e. 10 and sw. MT. 



Regional endemic. 

 MONTANA COUNTIES: Granite 

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

 PHYSIOGRAPHIC DISTRIBUTION: Upper Clark Fork River 



drainage 

 HABITAT: Gravelly slopes and ridgetops in the montane 



zone, 1705 m (5,600 ft.) 

 PHENOLOGY: Flowering in June, mature fruit in July 

 COMMENTS: The single known Montana population was 

 previously mistaken for L^ carinata . 



SCIENTIFIC NAME: LILAEA SCILLOIDES (Poir.) Hauman. 



COMMON NAME: Flowering qui 1 1 wort 



FAMILY: Juncaginaceae (Arrow-grass Family) 



MONTANA STATUS: Sensitive 



GLOBAL and STATE RANKS (TNC): G4/S1 



USFWS STATUS: None 



USES STATUS: None 



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



GLOBAL DISTRIBUTION: B.C. to Baja Cal., east to 



Alta., MT, ID and NV. Peripheral. 

 MONTANA COUNTIES: Lake 



LAND OWNERSHIP: Flathead Indian Reservation 

 PHYSIOGRAPHIC DISTRIBUTION: Lower Flathead River 



Valley 

 HABITAT: Wet or submerged mud of ponds in the valley 



zone, ca. 910 m (3,000 ft.) 

 PHENOLOGY: Mature fruit in July 

 COMMENTS: This species has been collected only twice 



in Montana, most recently in 1965. 



SCIENTIFIC NAME: LEUISIA (MLUMBIANA (Howell) Robins. 



COMMON NAME: Columbia lewisia 



FAMILY: Portulacaceae (Purslane Family) 



MONTANA STATUS: Sensitive 



GLOBAL and STATE RANKS (TNC): G4/S1 



USFWS STATUS: 3C 



USES STATUS: None 



GLOBAL DISTRIBUTION: West of the Cascades from B.C. 



to CA and in ne. OR, adjacent ID and MT. Var. 



wa 1 1 owens i s is a regional endemic. 

 MONTANA COUNTIES: Ravalli 

 LAND OWNERSHIP: Bitterroot N.F. 

 PHYSIOGRAPHIC DISTRIBUTION: Bitterroot Mtns. 

 HABITAT: Moist rock crevices along streams in the 



foothill and montane zones, 1370-1520 m 



(4,500-5,000 ft.) 

 PHENOLOGY: Flowering in July 

 COMMENTS: This plant is currently known in Montana 



from only one canyon in the Bitterroot Range. Our 



plants are var. wal I owens is Hitchc. 



SCIENTIFIC NAME: LILIUH (»LUNBIANUM Hanson 



COMMON NAME: Tiger lily 



FAMILY: Liliaceae (Lily Family) 



MONTANA STATUS: Sensitive 



GLOBAL and STATE RANKS (TNC): G4G5/S1 



USFWS STATUS: None 



USES STATUS: None 



GLOBAL DISTRIBUTION: B.C. to CA, NV and MT. 



Peripheral . 

 MONTANA COUNTIES: Lincoln 

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

 PHYSIOGRAPHIC DISTRIBUTION: Yaak River drainage 

 HABITAT: Thickets and coniferous forests in the 



montane zone, 790-1400 m (2,600-4,600 ft.) 

 PHENOLOGY: Flowering June-July 



