16 



specific parent materials. The rock types 

 associated with the sites range from volcanic 

 to sedimentary in origin (Veseth and Montagne 

 1980) . The Lockhart Meadows (001) site is in 

 an area of Udic/Ustic-Frigid/Cryic 

 Inceptisols (moderately sloping soils on 

 mountains) ; the French Creek (002) site is in 

 an area of Ustic-Cryic Mollisols (nearly 

 level to steep soils on fans, benches, and 

 terraces) ; the Vipond Park (003) site is in 

 an area of Udic/Ustic-Frigid/Cryic Mollisols- 

 Inceptisols-Alf isols (gently sloping soils on 

 mountains) ; the Hebgen Lake (004) site is in 

 an area of Udic-Frigid/Cryic Inceptisols- 

 Entisols (nearly level soils on outwash 

 terraces) ; and the Burton Park (005) site is 

 in an area of Udic-Cryic Inceptisols-Alf isols 



(moderately sloping soils on mountains) 



(Montagne et al. 1982). 



I.6.C.2. Regional vegetation types: In Montana, 



within the Silty Range Site and Subalpine Fir 

 and Douglas-fir Climax Forest zones mapped by 

 Ross and Hunter (1976) , and the Rocky 

 Mountain Forest Province, Douglas-fir Forest 

 Section mapped by Bailey (1976) . 



I.6.C.3. Frequently associated species: Associated 



species observed in Montana in 1988 include: 



Aqropyron caninum (slender wheatgrass) 

 Arabis nuttallii (Nuttall's rockcress) 

 Artemisia cana (silver sagebrush) 

 Camassia quamash (common camas) 

 Danthonia intermedia (timber danthonia) 

 Deschampsia cespitosa (tufted hair-grass) 

 Dodecatheon conjuqens (slimpod shooting star) 

 Festuca scabrella (rough fescue) 

 Geum triflorum (old man's whiskers) 

 Lomatium cous (Cous biscuit root) 

 Mertensia lonqiflora (small bluebells) 

 Microseris niqrescens (black-hairy 



microseris) 

 Polyqonum bistortoides (American bistort) 

 Potentilla diversifolia (diverse-leaved 



cinquefoil) 

 Potentilla fruticosa (shrubby cinquefoil) 

 Ranunculus alismaefolius (dwarf plainleaf 



buttercup) 

 Saxifraqa rhomboidea (diamondleaf saxifrage) 

 Senecio foetidus (sweet-marsh butterweed) 

 Wyethia helianthoides (whiteheaded Wyethia) 



