Tunnock, S., and O. J. Dooling. 1977. Northern Rocky Mountains (R-1). Pages 25-30 in H. V. Toko and K. H. Knauer, Forest insect and disease conditions in the United States, 1975. United States Department of Agriculture, Forest Service. vi + 60 p.
Tunnock & Dooling 1977
Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
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