Arceuthobium spp.
( Dwarf Mistletoes )Botryosphaeria piceae
( Botryosphaeria Canker of Spruce )Chrysomyxa arctostaphyli
( Spruce Broom Rusts )Discocainia treleasei
( Discocaninia Canker )Leucostoma kunzei
( Cytospora Canker of Spruce )Melampsorella caryophyllacearum
( Fir Broom Rust )