Chrysomyxa arctostaphyli
( Spruce Broom Rusts )Dendroctonus ponderosa
( Mountain Pine Beetle )Dendroctonus pseudotsuga
( Douglas-fir Beetle )Hypodermella laricis
( Larch Needle Blight )Melampsora spp.
( Melampsora Foliage Rusts )Melampsorella caryophyllacearum
( Fir Broom Rust )Meria laricis
( Larch Needle Cast )Pucciniastrum spp.
( Fir Needle Rusts )Uredinopsis spp.
( Fir Needle Rusts )