| anthracnose |
Aureobasidium apocryptum |
2 |
| anthracnose |
Colletotrichum spp. |
2 |
| anthracnose |
Discula spp. |
6 |
| Armillaria root rot |
Armillaria gallica |
2 |
| Armillaria root rot |
Armillaria mellea |
3 |
| Armillaria root rots |
Armillaria spp. |
14 |
| artist's conk |
Ganoderma applanatum |
4 |
| Ascodicheana fungus |
Ascodichaena rugosa |
1 |
| ash root rot |
Scytinostroma galactinum |
5 |
| bacterial gummosis |
Pseudomonas syringae |
1 |
| bacterial wetwood |
Enterobacter nimipressuralis |
3 |
| beech bark disease |
Nectria coccinea |
5 |
| beech scale |
Cryptococcus fagisuga |
3 |
| birch conk |
Piptoporus betulinus |
2 |
| black knot |
Apiosporina morbosa |
5 |
| black spot of elm |
Stegophora ulmea |
3 |
| blue stain fungi |
Ophiostoma spp. |
2 |
| brown root and collar rot |
Phellinus lamaënsis |
3 |
| butternut canker |
Sirococcus clavigignenti-juglandacearum |
1 |
| cedar-apple rust |
Gymnosporangium juniperi-virginianae |
1 |
| chestnut blight or canker |
Cryphonectria parasitica |
10 |
| Ciboria fungus |
Ciboria batschiana |
2 |
| clinker polypore |
Inonotus obliquus |
6 |
| Colpoma fungus |
Colpoma quercinum |
2 |
| crown rust |
Puccinia coronata |
2 |
| Cryptocline fungus |
Cryptocline betularum |
1 |
| Cylindrocarpon fungi |
Cylindrocarpon spp. |
1 |
| Cytospora canker |
Valsa sordida |
2 |
| Cytospora cankers |
Cytospora spp. |
1 |
| dieback |
|
1 |
| dodder |
Cuscuta spp. |
1 |
| dothichiza canker of poplar |
Cryptodiaporthe populea |
1 |
| downy mildew |
Plasmopara cercidis |
3 |
| downy spot |
Microstroma juglandis |
1 |
| Dutch elm disease |
Ophiostoma ulmi |
9 |
| eastern pine gall rust |
Cronartium quercuum |
2 |
| eastern tent caterpillar |
Malacosoma americanum |
1 |
| emerald ash borer |
Agrilus planipennis |
1 |
| epicormic branch |
|
1 |
| Eriophyid mite |
|
2 |
| Eutypella canker |
Eutypella parasitica |
4 |
| fusiform rust |
Cronartium quercuum f.sp. fusiforme |
5 |
| gray mold |
Botrytis cinerea |
3 |
| Hypoxylon canker |
Annulohypoxylon thouarsianum var. thouarsianum |
3 |
| Hypoxylon canker |
Biscogniauxia atropunctata |
2 |
| Hypoxylon canker of aspen |
Entoleuca mammata |
1 |
| Hypoxylon canker of oak |
Biscogniauxia atropunctata atropunctata |
9 |
| Hypoxylon cankers |
Hypoxylon spp. |
5 |
| included bark |
|
1 |
| Inonotus canker |
Inonotus nidus-pici |
2 |
| juniper-pear rust |
Gymnosporangium sabinae |
4 |
| leaf spot |
Tubakia dryina |
1 |
| lichen |
|
1 |
| live oak |
Quercus virginiana |
3 |
| Marssonina leaf spot |
Marssonina betulae |
1 |
| Marssonina leaf spots |
Marssonina spp. |
7 |
| Melampsora leaf rust |
Melampsora laricis-populina |
2 |
| Melampsora rust |
Melampsora epitea |
4 |
| Melampsora rusts |
Melampsora spp. |
1 |
| milk-white toothed polypore |
Irpex lacteus |
1 |
| mountain ash juniper rust |
Gymnosporangium cornutum |
1 |
| Nectria canker |
Nectria spp. |
9 |
| oak apple gall |
Amphibolips spp. |
3 |
| oak leaf blister |
Taphrina caerulescens |
1 |
| oak wilt |
Ceratocystis fagacearum |
5 |
| orange hobnail canker |
Cryphonectria gyrosa |
1 |
| Peniophora decay |
Peniophora incarnata |
1 |
| Phellinus fungus |
Phellinus ferruginosus |
2 |
| Phloeosporella fungus |
Phloeosporella padi |
1 |
| Phytophthora root rot |
Phytophthora alni ssp. multiformis |
2 |
| poplar rust |
Melampsora medusae |
1 |
| powdery mildew |
Erysiphe palczewskii |
2 |
| powdery mildew |
Microsphaera abbreviata |
1 |
| powdery mildew |
Microsphaera penicillata |
3 |
| powdery mildew |
Phyllactinia fraxini |
1 |
| powdery mildew |
Phyllactinia guttata |
1 |
| powdery mildew |
Phyllactinia spp. |
4 |
| powdery mildew of oak |
Microsphaera alphitoides |
3 |
| powdery mildews |
|
1 |
| Pseudocercospora leaf spot |
Pseudocercospora vitis |
4 |
| quince rust |
Gymnosporangium clavipes |
2 |
| Ravenelia rusts |
Ravenelia spp. |
2 |
| red-belted fungus |
Fomitopsis pinicola |
1 |
| Repetophragma fungus |
Repetophragma wroblewski |
1 |
| robustus conk |
Phellinus robustus |
1 |
| root diseases and rots |
|
1 |
| scaly pholiota |
Pholiota squarrosa |
1 |
| Septoria leaf spot |
Septoria betulae |
2 |
| Septoria leaf spot and cankers |
Septoria spp. |
2 |
| shear crack |
|
2 |
| Siberian elm canker |
Botryodiplodia hypodermia |
1 |
| smooth patch of oak |
Aleurodiscus oakesii |
1 |
| sooty mold |
|
1 |
| stem girdling roots |
|
4 |
| Stereum fungus |
Stereum rugosum |
2 |
| sudden oak death |
Phytophthora ramorum |
22 |
| tar spot |
Rhytisma punctatum |
1 |
| tar spot of maple |
Rhytisma acerinum |
3 |
| trunk rot |
Ustulina deusta |
3 |
| wet rot |
Coniophora puteana |
1 |
| wetwood |
|
1 |
| white heartwood rot |
Phellinus tremulae |
2 |
| white pine blister rust |
Cronartium ribicola |
1 |
| willow rust |
Melampsora salicina |
3 |
| wood decay |
Phlebia radiata |
2 |
| wood decay |
Schizophyllum commune |
1 |
| wood rot |
Bjerkandera fumosa |
1 |
