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Orange foliage

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 )