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Select Disease By Common Name

Common Name

Scientific Name

Annosus Root and Butt Rot

Heterobasidion annosum

Armillaria Root Disease

Armillaria ostoyae

Other Armillaria species

Armillaria cepistipes

Other Armillaria species

Armillaria gallica

Other Armillaria species

Armillaria nabsnona

Other Armillaria species

Armillaria sinapina

Aspen and Poplar Leaf and Twig Blight

Venturia macularis

Aspen and Poplar Leaf and Twig Blight

Venturia populina

Aspen Trunk Rot

Phellinus tremulae

Atropellis Canker

Atropellis piniphila

Basal and Trunk Scars

Abiotic Disease

Black Stain Root Disease

Leptographium wageneri

Other Broadleaf Foliar Diseases

Ciborinia whetzelii

Other Broadleaf Foliar Diseases

Didymosporium arbuticola

Other Broadleaf Foliar Diseases

Discula destructiva

Other Broadleaf Foliar Diseases

Drepanopezziza populorum

Other Broadleaf Foliar Diseases

Linospora tetraspora

Other Broadleaf Foliar Diseases

Marssonina populi

Other Broadleaf Foliar Diseases

Mycosphaerella populicola

Other Broadleaf Foliar Diseases

Rhytisma punctatum

Other Broadleaf Foliar Diseases

Rhytisma salicinum

Other Broadleaf Foliar Diseases

Septoria populicola

Other Broadleaf Foliar Diseases

Taphrina populi-salicis

Other Broadleaf Foliar Diseases

Uncinula bicornis

Brown Crumbly Rot

Fomitopsis pinicola

Brown Cubical Butt and Pocket Rot of Cedar

Postia sericeomollis

Brown Cubical Pocket Rot

Veluticeps fimbriata

Brown Cubical Rot

Laetiporus sulphureus

Brown Cubical Rot of Birch

Piptoporus betulinus

Brown Cubical Sap Rot

Gleopyllum sepiarium

Brown Felt Blight

Herpotrichia juniperi

Brown Felt Blight

Neopeckia coulteri

Brown Pocket Rot of Sitka Spruce

Neolentinus kaufmannii

Brown Stringy Trunk Rot

Echinodontium tinctorium

Brown Stringy Trunk Rot of Hardwoods

Spongipellis delectans

Brown Trunk Rot

Fomitopsis officinalis

Cedar Flagging

Abiotic Disease

Cedar Leaf Blight

Didymascella thujina

Chemical and Fume Injury

Abiotic Disease

Comandra Blister Rust

Cronartium comandrae

Conifer - Aspen Rust

Melampsora albertensis

Conifer - Cottonwood Rust

Melampsora occidentalis

Cytospora Canker

Cytospora chrysosperma

Dothistroma Needle Blight

Mycosphaerella pini

Douglas-fir Dwarf Mistletoe

Arceuthobium douglasii

Douglas-fir Needle Blight

Rhabdocline pseudotsugae

Elytroderma Needle Cast

Elytroderma deformans

Fir Broom Rust

Melampsorella caryophyllacearum

Fir - Fireweed Rust

Pucciniastrum epilobii

Flooding

Abiotic Disease

Frost Injury

Abiotic Disease

Grey-Brown Sap Rot

Cryptoporus volvatus

Hardwood Trunk Rot

Phellinus igniarius

Hemlock - Blueberry Rust

Naohidemyces vaccinii

Hemlock Dwarf Mistletoe

Arceuthobium tsugense

Hypoxylon Canker

Hypoxylon mammatum

Laminated Root Rot

Phellinus weirii

Larch Dwarf Mistletoe

Arceuthobium laricis

Larch Needle Diseases

Hypodermella laricis

Larch Needle Diseases

Meria laricis

Large-Spored Spruce-Labrador Tea Rust

Chrysomyxa ledicola

Lodgepole Pine Dwarf Mistletoe

Arceuthobium americanum

Nectria Canker

Nectria cinnabarina

Other Needle Casts and Blights

Bifusella linearis

Other Needle Casts and Blights

Davisomycella ampla

Other Needle Casts and Blights

Delphinella abietis

Other Needle Casts and Blights

Delphinella balsamae

Other Needle Casts and Blights

Lirula macrospora

Other Needle Casts and Blights

Lophodermium pinastri

Other Needle Casts and Blights

Lophodermium seditiosum

Phomopsis Canker of Douglas-fir

Diaporthe lokoyae

Pine Needle Cast

Lophodermella concolor

Pitted Sap Rot

Trichaptum abietinum

Red Heart Rot

Stereum sanguinolentum

Red Ring Rot

Phellinus pini

Rhizina Root Rot

Rhizina undulata

Rough Bark of Alder

Didymosphaeria oregonensis

Sapsucker Damage

Abiotic Disease

Schweinitzii Butt Rot

Phaeolus schweinitzii

Silver Leaf Disease

Chondrostereum purpureum

Spruce Broom Rust

Chrysomyxa arctostaphyli

Spruce Cone Rusts

Chrysomyxa monensis

Spruce Cone Rusts

Chrysomyxa pirolata

Stalactiform Blister Rust

Cronartium coleosporioides

Sterile Conk Trunk Rot of Birch

Inonotus obliquus

Stringy Butt Rot

Perenniporia subacida

Sunscald

Abiotic Disease

Sweetfern Blister Rust

Cronartium comptoniae

Tomentosus Root Rot

Inonotus tomentosus

Top Breakage

Abiotic Disease

Top Killing

Abiotic Disease

Western Gall Rust

Endocronartium harknessii

White Butt Rot - White Laminated Rot

Ceriporiopsis rivulosa

White Mottled Rot

Ganoderma applanatum

White Pine Blister Rust

Cronartium ribicola

White Spongy Trunk Rot

Fomes fomentarius

White Trunk Rot of Conifers

Phellinus hartigii

Willow - Conifer Rust

Melampsora abieti-capraearum

Willow - Conifer Rust

Melampsora epitea

Willow - Conifer Rust

Melampsora epitea f. sp. tsugae

Willow - Conifer Rust

Melampsora paradoxa

Willow - Conifer Rust

Melampsora ribesii-purpureae

Winter Kill

Abiotic Disease

Yellow Laminated Butt Rot of Poplars

Pholiota populnea

Yellow Pitted Rot

Hericium abietis