Arceuthobium americanum
(Dwarf Mistletoes)Arceuthobium douglasii
(Dwarf Mistletoes)Arceuthobium laricis
(Dwarf Mistletoes)Arceuthobium tsugense
(Dwarf Mistletoes)Cronartium comandrae
(Comandra Blister Rust)Cronartium comptoniae
(Sweetfern Blister Rust)Cronartium ribicola
(White Pine Blister Rust)Didymosphaeria oregonensis
(Rough Bark of Alder)Endocronartium harknessii
(Western Gall Rust)Inonotus obliquus
(Sterile Conk Trunk Rot of Birch)Melampsorella caryophyllacearum
(Fir Broom Rust)