McDonald, Geral I.; Martin, Neil E.; Harvey, Alan E. 1987. Occurrence oi Armillaria 

 spp. in forests of the Northern Rocky Mountains. Res. Pap. INT-381. Ogden, UT: 

 U.S. Department of Agriculture, Forest Service, Intermountain Research Station. 

 7 p. 



Random sampling on 15 National Forests in the Northern Rocky Mountains 

 revealed that Armillaria spp. were absent from cold-dry and hot-dry habitat types and 

 were nearly always present in the cool-moist to warm-moist habitat types. 



KEYWORDS: root rot, plant pathology, forest management 



