Disease Summary, 2002
Sorted by host common name
| Host Name: | Genus: | Species: | Biotic Problem: | Count: |
| Abelia | Rhizoctonia | sp. | Rhizoctonia Root/Stem Rot | 1 |
| African Violet | Nematodes, Undetermined | 1 | ||
| African Violet | Phytophthora | sp. | Phytophthora Root/Crown Rot | 1 |
| African Violet | Pythium | sp. | Pythium Root/Crown Rot | 1 |
| Agave | Fungal Leafspot, Undetermined | 1 | ||
| Ajuga | Rhizoctonia | solani | Rhizoctonia Root/Stem Rot | 1 |
| Alfalfa | No Disease | 1 | ||
| Alfalfa | Leptosphaerulina | sp. | Leptosphaerulina Leaf Spot | 1 |
| Alfalfa | Stemphylium | botryosum | Stemphylium Leaf Spot | 1 |
| Alstroemeria | Potyvirus, Undetermined | Potyvirus, Undetermined | 1 | |
| Alumroot | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| Alyssum | Peronospora | sp. | Downy Mildew | 1 |
| Amaranth | Pythium | aphanidermatum | Pythium Root Rot | 1 |
| Anemone | Pythium Root Rot Suspected | 1 | ||
| Apple | Gymnosporangium | juniperi-virginianae | Cedar-apple Rust | 1 |
| Apple | Leucostoma | cincta | Leucostoma Canker | 1 |
| Apricot, Japanese | Xanthomonas | campestris (pruni) | Bacterial Leaf Spot | 1 |
| Aralia, False | Fusarium | sp. | Fusarium Crown Rot | 1 |
| Arborvitae | Armillaria | sp. | Armillaria Root Rot | 1 |
| Arborvitae | Phytophthora | sp. | Phytophthora Root Rot | 2 |
| Arborvitae | Pythium | sp. | Pythium Root Rot | 2 |
| Argyranthemum | Pseudomonas | sp. | Pseudomonas Leaf Spot | 1 |
| Artemisia | Nematostoma | artemisiae | Black Mildew | 1 |
| Asparagus | Fusarium | sp. | Fusarium Crown Rot | 1 |
| Asparagus | Fusarium | sp. | Fusarium Root/Crown Rot | 1 |
| Aucuba | Meloidogyne | sp. | Nematodes, Root Knot | 1 |
| Avocado | Pythium | sp. | Pythium Root Rot | 1 |
| Azalea | Botryosphaeria Dieback Suspected | 1 | ||
| Azalea | Fungal Leafspot, Undetermined | 2 | ||
| Azalea | Inadequate Sample | 1 | ||
| Azalea | Lichens | 1 | ||
| Azalea | Root Rot, Undetermined | 2 | ||
| Azalea | Armillaria | sp. | Mushroom Root Rot | 1 |
| Azalea | Botryosphaeria | dothidea | Botryosphaeria Dieback | 1 |
| Azalea | Botryosphaeria | sp. | Botryosphaeria Dieback | 2 |
| Azalea | Phomopsis | sp. | Phomopsis Dieback | 2 |
| Azalea | Phytophthora | cinnamomi | Phytophthora Root Rot | 1 |
| Azalea | Phytophthora | sp. | Phytophthora Root Rot | 3 |
| Azalea | Pratylenchus | sp. | Nematodes, Lesion | 1 |
| Azalea | Rhizoctonia | sp. | Rhizoctonia Root/Stem Rot | 1 |
| Azalea | Trichodorus | sp. | Nematodes, Trichodorus Stubby-root | 1 |
| Azalea | Tylenchorhynchus | sp. | Nematodes, Stunt | 8 |
| Balloon Flower | Leaf Spot, Undetermined | 1 | ||
| Balloon Flower | Myrothecium | sp. | Myrothecium Blight | 1 |
| Bamboo, Fountain | Botrytis | sp. | Botrytis Blight | 1 |
| Barberry | Bacterial Leaf Spot, Undetermined | 1 | ||
| Barberry | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| Barberry | Pythium | sp. | Pythium Root Rot | 1 |
| Barley | Bipolaris | sp. | Bipolaris Spot Blotch | 1 |
| Barley | Cochliobolus | sativus | Spot Blotch | 1 |
| Bean | Bacterial Soft Rot, Undetermined | 1 | ||
| Bean | Phaeoisariopsis | griseola | Angular Leaf Spot | 1 |
| Bean | Pythium | sp. | Pythium Damping-off | 1 |
| Bean | Tomato Spotted Wilt | virus | Tomato Spotted Wilt | 1 |
| Bean | Uromyces | sp. | Rust | 1 |
| Bean, Butter | Rhizoctonia | sp. | Rhizoctonia Root Rot | 1 |
| Bean, Green | Fungal Stem Rot, Undetermined | 1 | ||
| Bean, Green | Colletotrichum | lindemuthianum | Anthracnose | 1 |
| Bean, Green | Pythium | sp. | Pythium Root Rot | 1 |
| Beautyberry | Phytophthora | sp. | Phytophthora Root/Crown Rot | 1 |
| Begonia | Powdery Mildew, Undetermined | 1 | ||
| Begonia | Xanthomonas Blight Suspected | 1 | ||
| Begonia | Botrytis | cinerea | Botrytis Stem Rot | 1 |
| Begonia | Fusarium | sp. | Fusarium Crown Rot | 1 |
| Begonia | Fusarium | sp. | Fusarium Root/Crown Rot | 2 |
| Begonia | Fusarium | sp. | Fusarium Root/Stem Rot | 1 |
| Begonia | Meloidogyne | sp. | Nematodes, Root Knot | 1 |
| Begonia | Pythium | sp. | Pythium Root Rot | 4 |
| Begonia | Pythium | sp. | Pythium Root/Stem Rot | 1 |
| Begonia | Rhizoctonia | solani | Rhizoctonia Crown And Stem Rot | 1 |
| Begonia | Rhizoctonia | solani | Rhizoctonia Root/Stem Rot | 1 |
| Begonia | Xanthomonas | campestris | Bacterial Blight | 1 |
| Begonia | Xanthomonas | campestris | Bacterial Leaf Spot | 1 |
| Begonia | Xanthomonas | sp. | Bacterial Blight | 1 |
| Begonia | Xanthomonas | sp. | Bacterial Leaf Spot | 1 |
| Bellflower | Rhizoctonia | solani | Rhizoctonia Root/Stem Rot | 1 |
| Bentgrass | Algae | 6 | ||
| Bentgrass | Fairy Ring Suspected | 1 | ||
| Bentgrass | Nematode Injury Suspected | 4 | ||
| Bentgrass | Nematodes, Cyst Suspected | 1 | ||
| Bentgrass | Slime Mold | 1 | ||
| Bentgrass | Unknown | 2 | ||
| Bentgrass | Yellow Patch Suspected | 1 | ||
| Bentgrass | Colletotrichum | graminicola | Anthracnose | 2 |
| Bentgrass | Colletotrichum | sp. | Anthracnose | 1 |
| Bentgrass | Curvularia | sp. | Curvularia Leaf Spot Suspected | 1 |
| Bentgrass | Gaeumannomyces | graminis | Take-all | 1 |
| Bentgrass | Gaeumannomyces | sp. | Take-all Patch | 10 |
| Bentgrass | Hoplolaimus | sp. | Nematodes, Lance | 1 |
| Bentgrass | Pythium | aphanidermatum | Pythium Blight | 2 |
| Bentgrass | Pythium | aphanidermatum | Pythium Root Rot | 1 |
| Bentgrass | Pythium | sp. | Pythium Blight | 1 |
| Bentgrass | Pythium | sp. | Pythium Root Rot | 3 |
| Bentgrass | Rhizoctonia | sp. | Brown Patch | 2 |
| Bentgrass | Sclerotinia | homoeocarpa | Dollar Spot | 3 |
| Bentgrass | Sclerotium | rolfsii | Southern Blight | 1 |
| Bentgrass | Various Fungi | Fairy Ring | 3 | |
| Bermudagrass | Fairy Ring Suspected | 3 | ||
| Bermudagrass | Fusarium Patch suspected | 1 | ||
| Bermudagrass | Nematode Injury Suspected | 2 | ||
| Bermudagrass | Bipolaris | cynodontis | Helminthosporium Leaf Spot | 4 |
| Bermudagrass | Bipolaris | sorokiniana | Helminthosporium Leaf Spot | 1 |
| Bermudagrass | Colletotrichum | sp. | Anthracnose | 1 |
| Bermudagrass | Curvularia | sp. | Curvularia Leaf Spot | 1 |
| Bermudagrass | Gaeumannomyces | graminis | Take-all | 2 |
| Bermudagrass | Heterodera | glycines | Nematodes, Cyst | 1 |
| Bermudagrass | Pythium | aphanidermatum | Pythium Blight | 2 |
| Bermudagrass | Rhizoctonia | cerealis | Yellow Patch | 1 |
| Bermudagrass | Rhizoctonia | solani | Large Patch | 2 |
| Bermudagrass | Sclerotinia | homoeocarpa | Dollar Spot | 2 |
| Birch, River | Cryptocline | betularum | Cryptocline Leaf Spot | 1 |
| Black-eyed Susan | Pythium | sp. | Pythium Root Rot | 1 |
| Black-eyed Susan | Rhizoctonia | sp. | Rhizoctonia Root/Stem Rot | 1 |
| Black-eyed Susan | Septoria | sp. | Septoria Leaf Spot | 1 |
| Blackberry | Agrobacterium | tumefaciens | Crown Gall | 1 |
| Blackberry | Diapleella | coniothyrium | Cane Blight | 3 |
| Blackberry | Glomerella | cingulata | Anthracnose | 1 |
| Blackberry | Kuehneola | uredinis | Cane And Leaf Rust | 1 |
| Blackberry | Phomopsis | sp. | Phomopsis Dieback | 1 |
| Blackberry | Sphaeropsis | sp. | Sphaeropsis Canker | 1 |
| Blueberry | Botryosphaeria | sp. | Botryosphaeria Dieback | 1 |
| Blueberry | Phytophthora | cinnamomi | Phytophthora Root Rot | 1 |
| Blueberry, Highbush | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| Blueberry, Rabbit-eye | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| Borage | Meloidogyne | sp. | Nematodes, Root Knot | 1 |
| Boxwood | Phytophthora Root Rot Suspected | 1 | ||
| Boxwood | Meloidogyne | sp. | Nematodes, Root Knot | 2 |
| Boxwood | Phytophthora | sp. | Phytophthora Root Rot | 2 |
| Boxwood | Pratylenchus | sp. | Nematodes, Lesion | 6 |
| Boxwood | Volutella | sp. | Volutella dieback | 2 |
| Boxwood, Common | Root Rot, Undetermined | 1 | ||
| Boxwood, Common | Pratylenchus | sp. | Nematodes, Lesion | 2 |
| Boxwood, Common | Volutella | pachysandrae | Volutella Blight | 1 |
| Boxwood, Common | Volutella | sp. | Volutella dieback | 1 |
| Boxwood, Common | Xiphinema | sp. | Nematodes, Dagger | 1 |
| Boxwood, English | Phytophthora Root Rot Suspected | 1 | ||
| Boxwood, English | Root Rot, Undetermined | 2 | ||
| Boxwood, English | Meloidogyne | sp. | Nematodes, Root Knot | 2 |
| Boxwood, English | Phytophthora | sp. | Phytophthora Root Rot | 2 |
| Boxwood, English | Pratylenchus | sp. | Nematodes, Lesion | 8 |
| Broccoli | Pythium | sp. | Pythium Root/Stem Rot | 1 |
| Bugloss | Phytophthora Root Rot Suspected | 1 | ||
| Butterfly Bush | Aphelenchoides | sp. | Nematodes, Foliar | 1 |
| Butterfly Bush | Rhizoctonia | solani | Rhizoctonia Root Rot | 1 |
| Cabbage | No Disease | 1 | ||
| Cabbage | Peronospora | parasitica | Downy Mildew | 1 |
| Cabbage | Pythium | sp. | Pythium Root Rot | 1 |
| Cabbage | Rhizoctonia | solani | Rhizoctonia Root/Stem Rot | 2 |
| Cabbage | Rhizoctonia | solani | Wirestem Suspected | 1 |
| Cabbage | Tomato Spotted Wilt | virus | Tomato Spotted Wilt | 1 |
| Cabbage | Xanthomonas | campestris (camp) | Black Rot | 1 |
| Cabbage, Chinese | Pythium | sp. | Pythium Root Rot | 1 |
| Cabbage, Ornamental | Pythium | sp. | Pythium Root Rot | 2 |
| Cactus | Fusarium | sp. | Fusarium Basal Rot | 1 |
| Cactus | Phyllosticta | sp. | Phyllosticta Leaf Spot | 1 |
| Calla Lily | Erwinia | sp. | Bacterial Blight | 1 |
| Camellia | Virus, Undetermined | 1 | ||
| Camellia | Botryosphaeria | dothidea | Botryosphaeria Dieback | 1 |
| Camellia | Colletotrichum | gloeosporioides | Anthracnose | 1 |
| Camellia | Colletotrichum | sp. | Anthracnose | 1 |
| Camellia | Exobasidium | camelliae | Leaf Gall | 1 |
| Camellia | Glomerella | cingulata | Canker | 1 |
| Canna | Virus, Undetermined | 2 | ||
| Canna | Helminthosporium- | like fungi | Helminthosporium Leaf Spot | 1 |
| Canna | Rhizoctonia | sp. | Rhizoctonia Root/Stem Rot | 1 |
| Cantaloupe | Didymella | bryoniae | Gummy Stem Blight | 1 |
| Cantaloupe | Fusarium | oxysporum (melonis) | Fusarium Wilt | 1 |
| Cantaloupe | Meloidogyne | sp. | Nematodes, Root Knot | 2 |
| Cardinal Flower | Septoria | sp. | Septoria Leaf Spot | 1 |
| Carnation | Fusarium | sp. | Fusarium Stem Rot | 1 |
| Carolina Silverbell | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| Carrot | Alternaria | dauci | Alternaria Leaf Spot | 1 |
| Celosia | Myrothecium | sp. | Myrothecium Blight | 1 |
| Celosia | Pythium | sp. | Pythium Root Rot | 1 |
| Celosia | Rhizoctonia | solani | Rhizoctonia Root/Stem Rot | 1 |
| Centipedegrass | Nematode Injury Suspected | 1 | ||
| Centipedegrass | Nematodes, Undetermined | 1 | ||
| Centipedegrass | No Disease | 1 | ||
| Centipedegrass | Yellow Patch Suspected | 1 | ||
| Centipedegrass | Belonolaimus | sp. | Nematodes, Sting | 1 |
| Centipedegrass | Criconemella | sp. | Nematodes, Ring | 2 |
| Centipedegrass | Curvularia | sp. | Curvularia Leaf Spot Suspected | 1 |
| Centipedegrass | Pyricularia | grisea | Gray Leaf Spot | 1 |
| Centipedegrass | Pythium | sp. | Pythium Root Rot | 1 |
| Centipedegrass | Rhizoctonia | cerealis | Yellow Patch | 5 |
| Centipedegrass | Rhizoctonia | solani | Large Patch | 13 |
| Centipedegrass | Rhizoctonia | sp. | Yellow Patch | 13 |
| Centipedegrass | Rhizoctonia | sp. | Yellow Patch Suspected | 5 |
| Cherry | Leaf Spot, Undetermined | 1 | ||
| Cherry | Blumeriella | jaapii | Coccomyces Leaf Spot | 1 |
| Cherry, Ornamental | Leaf Spot, Undetermined | 1 | ||
| Cherry, Ornamental | Root Rot, Undetermined | 1 | ||
| Cherry, Ornamental | Agrobacterium | tumefaciens | Crown Gall | 1 |
| Cherrylaurel | Leaf Spot, Undetermined | 1 | ||
| Cherrylaurel | No Disease | 2 | ||
| Cherrylaurel | Xanthomonas | campestris (pruni) | Bacterial Leaf Spot | 2 |
| Chrysanthemum | Pythium Root Rot Suspected | 1 | ||
| Chrysanthemum | Agrobacterium | tumefaciens | Crown Gall | 1 |
| Chrysanthemum | Alternaria | sp. | Alternaria Leaf Spot | 1 |
| Chrysanthemum | Fusarium | sp. | Fusarium Wilt | 4 |
| Chrysanthemum | Pseudomonas | cichorii | Bacterial Leaf Spot | 2 |
| Chrysanthemum | Pseudomonas | sp. | Bacterial Leaf Spot | 1 |
| Chrysanthemum | Pythium | sp. | Pythium Root Rot | 2 |
| Chrysanthemum | Pythium | sp. | Pythium Root/Stem Rot | 1 |
| Chrysanthemum | Rhizoctonia | solani | Rhizoctonia Root/Stem Rot | 1 |
| Chrysanthemum | Rhizoctonia | solani | Rhizoctonia Stem Rot | 1 |
| Citrus | Pythium | sp. | Pythium Root Rot | 1 |
| Clethra | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| Cleyera, Japanese | Botryosphaeria | dothidea | Botryosphaeria Dieback | 1 |
| Cleyera, Japanese | Cercospora | sp. | Cercospora Leaf Spot | 1 |
| Cleyera, Japanese | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| Clover | Sclerotium | rolfsii | Southern Blight | 1 |
| Coleus | Botrytis | sp. | Botrytis Blight | 1 |
| Coleus | Corynespora | sp. | Corynespora Leaf Spot | 1 |
| Coleus | Impatiens Necrotic Spot Virus | Impatiens Necrotic Spot | 1 | |
| Coleus | Pythium | sp. | Pythium Root Rot | 1 |
| Collards | Alternaria | sp. | Alternaria Leaf Spot | 1 |
| Collards | Peronospora | parasitica | Downy Mildew | 1 |
| Collards | Pseudoperonospora | cubensis | Downy Mildew | 1 |
| Coneflower | Sclerotium | rolfsii | Southern Blight | 1 |
| Coralbells | Pythium | sp. | Pythium Root Rot | 1 |
| Coralbells | Rhizoctonia | solani | Rhizoctonia Petiole Rot | 1 |
| Coralbells | Thielaviopsis | basicola | Black Root Rot | 1 |
| Corn Plant | Pythium | sp. | Pythium Root Rot | 1 |
| Cotoneaster | Botryosphaeria | dothidea | Botryosphaeria Dieback | 1 |
| Cotton | Rhizoctonia | solani | Sore Shin | 1 |
| Crabapple | Gymnosporangium | juniperi-virginianae | Cedar-apple Rust | 1 |
| Crape Myrtle | Phytoplasma | Phytoplasma Disease | 1 | |
| Cryptomeria, Japanese | Dieback, Undetermined | 1 | ||
| Cryptomeria, Japanese | Colletotrichum | gloeosporioides | Anthracnose | 1 |
| Cucumber | Corynespora | cassiicola | Target Spot | 1 |
| Cucumber | Didymella | bryoniae | Gummy Stem Blight | 1 |
| Cucumber | Meloidogyne | sp. | Nematodes, Root Knot | 1 |
| Cucumber | Pseudomonas | syringae /lachrymans | Angular Leaf Spot | 1 |
| Cucumber | Pythium | sp. | Pythium Root Rot | 2 |
| Cucurbit | Virus, Undetermined | 1 | ||
| Cucurbit | Phytophthora | capsici | Phytophthora Blight | 1 |
| Cyclamen | Colletotrichum | sp. | Anthracnose | 2 |
| Cyclamen | Erwinia | sp. | Bacterial Soft Rot | 1 |
| Cyclamen | Phyllosticta | sp. | Phyllosticta Leaf Spot | 1 |
| Cypress, False | Pythium | sp. | Pythium Root Rot | 1 |
| Cypress, Leyland | Armillaria | mellea | Mushroom Root Rot | 1 |
| Cypress, Leyland | Armillaria | sp. | Armillaria Root Rot | 2 |
| Cypress, Leyland | Botryosphaeria | dothidea | Botryosphaeria Canker | 4 |
| Cypress, Leyland | Botryosphaeria | dothidea | Botryosphaeria Dieback | 1 |
| Cypress, Leyland | Cercosporidium | sequoiae | Cercospora Leaf Spot | 2 |
| Cypress, Leyland | Macrophoma | sp. | Macrophoma Blight | 1 |
| Cypress, Leyland | Phytophthora | cinnamomi | Phytophthora Root Rot | 1 |
| Cypress, Leyland | Seiridium | unicorne | Cypress Canker | 3 |
| Cypress, Leyland | Seiridium | unicorne | Cypress Canker Suspected | 1 |
| Cypress, Sawara | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| Dahlia | Erwinia | sp. | Bacterial Soft Rot | 1 |
| Dahlia | Pythium | sp. | Pythium Root Rot | 1 |
| Dahlia | Rhizoctonia | solani | Rhizoctonia Bulb Rot | 1 |
| Dahlia | Tomato Spotted Wilt | virus | Tomato Spotted Wilt | 3 |
| Daisy, Shasta | Fungal Leafspot, Undetermined | 1 | ||
| Daisy, Shasta | Meloidogyne | sp. | Nematodes, Root Knot | 1 |
| Daisy, Transvaal | Botrytis | cinerea | Botrytis Leaf Spot | 1 |
| Daisy, Transvaal | Botrytis | cinerea | Gray Mold | 1 |
| Daisy, Transvaal | Phytophthora | sp. | Phytophthora Root/Crown Rot | 2 |
| Daisy, Transvaal | Pythium | sp. | Pythium Root/Crown Rot | 1 |
| Daisy, Transvaal | Rhizoctonia | sp. | Rhizoctonia Root/Stem Rot | 2 |
| Daphne | No Disease | 1 | ||
| Daphne | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| Daphne | Pythium | sp. | Pythium Root Rot | 1 |
| Daphne, Undetermined | Phytophthora Root Rot Suspected | 1 | ||
| Daylily | Aureobasidium | microstictum | Leaf Streak | 5 |
| Daylily | Criconemella | sp. | Nematodes, Ring | 1 |
| Daylily | Fusarium | sp. | Fusarium Root/Stem Rot | 1 |
| Daylily | Phytophthora | sp. | Phytophthora Crown Rot | 1 |
| Daylily | Phytophthora | sp. | Phytophthora Stem Rot | 1 |
| Daylily | Puccinia | hemerocallidis | Daylily Rust | 4 |
| Daylily | Rhizoctonia | solani | Rhizoctonia Root Rot | 2 |
| Daylily | Rhizoctonia | solani | Rhizoctonia Root/Stem Rot | 2 |
| Daylily | Rhizoctonia | sp. | Rhizoctonia Root Rot | 1 |
| Daylily | Tylenchorhynchus | sp. | Nematodes, Stunt | 1 |
| Delphinium | Erwinia | sp. | Bacterial Soft Rot | 2 |
| Deutzia | Pythium | sp. | Pythium Root Rot | 1 |
| Dianthus | Rhizoctonia | solani | Rhizoctonia Root Rot | 1 |
| Dieffenbachia | Erwinia | sp. | Bacterial Blight | 1 |
| Dog's-Hobble | Powdery Mildew, Undetermined | 1 | ||
| Dogwood | Armillaria | sp. | Armillaria Root Rot | 1 |
| Dogwood | Phyllosticta | cornicola | Phyllosticta Leaf Spot | 1 |
| Dogwood, Kousa | Meloidogyne | sp. | Nematodes, Root Knot | 1 |
| Dogwood, Kousa | Pratylenchus | sp. | Nematodes, Lesion | 1 |
| Dracaena | Colletotrichum | sp. | Anthracnose | 1 |
| Eggplant | Phoma | sp. | Phoma Fruit Rot | 1 |
| Eggplant | Phomopsis | vexans | Phomopsis Blight | 1 |
| Elaeagnus | Nectria | sp. | Nectria Canker | 1 |
| Euonymus | Powdery Mildew, Undetermined | 2 | ||
| Euonymus | Agrobacterium | tumefaciens | Crown Gall | 1 |
| Euonymus | Colletotrichum | gloeosporioides | Anthracnose | 1 |
| Euonymus | Colletotrichum | sp. | Anthracnose | 1 |
| Euonymus | Pythium | sp. | Pythium Root Rot | 1 |
| Euonymus, Japanese | No Disease | 1 | ||
| Euonymus, Japanese | Powdery Mildew, Undetermined | 1 | ||
| Euonymus, Japanese | Colletotrichum | sp. | Anthracnose | 2 |
| Euonymus, Winged | Inadequate Sample | 1 | ||
| Euphorbia | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| False Indigo | Bacterial Leaf Spot, Undetermined | 1 | ||
| False Queen Anne's-Lace | Pythium | sp. | Pythium Root/Stem Rot | 1 |
| Fern | Rhizoctonia | solani | Web Blight | 1 |
| Fern, Blechnum | Anthracnose Suspected | 1 | ||
| Fern, Blechnum | Pythium | sp. | Pythium Root Rot | 3 |
| Fern, Christmas | Bacterial Blight, Undetermined | 1 | ||
| Fern, Christmas | Pythium | sp. | Pythium Root Rot | 2 |
| Fern, Christmas | Rhizoctonia | sp. | Rhizoctonia Root/Stem Rot | 1 |
| Fern, Table | Pythium | sp. | Pythium Root Rot | 1 |
| Fescue | No Disease | 4 | ||
| Fescue | Slime Mold | 1 | ||
| Fescue | Unknown | 3 | ||
| Fescue | Colletotrichum | graminicola | Anthracnose | 2 |
| Fescue | Colletotrichum | sp. | Anthracnose | 2 |
| Fescue | Pyricularia | grisea | Gray Leaf Spot | 2 |
| Fescue | Pythium | aphanidermatum | Pythium Blight | 6 |
| Fescue | Pythium | sp. | Pythium Damping-off | 1 |
| Fescue | Pythium | sp. | Pythium Root Rot | 3 |
| Fescue | Pythium | sp. | Pythium Root/Stem Rot | 1 |
| Fescue | Rhizoctonia | solani | Brown Patch | 8 |
| Fescue | Rhizoctonia | sp. | Brown Patch | 3 |
| Fescue | Rhizoctonia | sp. | Damping-off | 1 |
| Fig, Common | No Disease | 1 | ||
| Fir, Fraser | Phomopsis | sp. | Phomopsis Dieback | 1 |
| Fir, Fraser | Phytophthora | cinnamomi | Phytophthora Root Rot | 3 |
| Fir, Fraser | Phytophthora | sp. | Phytophthora Root Rot | 4 |
| Fir, Fraser | Phytophthora | sp. | Phytophthora Root/Stem Rot | 1 |
| Fir, Fraser | Pythium | sylvaticum | Pythium Root Rot | 1 |
| Fir, Fraser | Rhizosphaera | pini | Rhizosphaera Needle Cast | 1 |
| Flowering Maple | Thielaviopsis | basicola | Black Root Rot | 1 |
| Foamflower | Thielaviopsis | basicola | Black Root Rot | 1 |
| Forsythia | Root Rot, Undetermined | 1 | ||
| Forsythia | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| Forsythia | Pythium | sp. | Pythium Root Rot | 1 |
| Fountain Grass | Fungal Dieback, Undetermined | 1 | ||
| Freesia | Potyvirus, Undetermined | Potyvirus, Undetermined | 1 | |
| Fuchsia | Botrytis | sp. | Botrytis Leaf Spot | 1 |
| Fuchsia | Phytophthora | sp. | Phytophthora Root/Crown Rot | 1 |
| Fungus | Fuligo | septica | Slime Mold | 1 |
| Fungus | Meruliporia | incrassata | Wood Rot Fungus | 1 |
| Gardenia | Phytophthora | sp. | Phytophthora Root/Crown Rot | 1 |
| Geranium | Botrytis Blight Suspected | 1 | ||
| Geranium | Botrytis | cinerea | Botrytis Blight | 2 |
| Geranium | Botrytis | cinerea | Botrytis Leaf Spot | 1 |
| Geranium | Pseudomonas | sp. | Bacterial Leaf Spot | 2 |
| Geranium | Pythium | sp. | Pythium Root Rot | 1 |
| Geranium | Pythium | sp. | Pythium Root/Stem Rot | 2 |
| Geranium | Xanthomonas | campestris (pelargonii) | Bacterial Blight | 1 |
| Geranium, Ivy | Pseudomonas | sp. | Bacterial Leaf Spot | 1 |
| Germander | Meloidogyne | incognita | Nematodes, Root Knot | 1 |
| Germander | Pratylenchus | sp. | Nematodes, Lesion | 1 |
| Germander | Pythium | sp. | Pythium Root Rot | 1 |
| Germander | Rhizoctonia | solani | Rhizoctonia Root/Stem Rot | 1 |
| Ginger | Pythium | sp. | Pythium Root Rot | 1 |
| Ginger, Callaway | Cercospora | sp. | Cercospora Leaf Spot | 1 |
| Ginger, Callaway | Pythium | sp. | Pythium Root Rot | 1 |
| Ginseng | Alternaria | sp. | Alternaria Leaf Spot | 1 |
| Gloriosa lily | Soft Rot, Undetermined | 1 | ||
| Golden buttons | Rhizoctonia | solani | Rhizoctonia Root/Stem Rot | 1 |
| Goldenseal | Pythium | sp. | Pythium Root Rot | 1 |
| Gourd | Mosaic Virus, Undetermined | 1 | ||
| Gourd | Colletotrichum | orbiculare | Anthracnose | 1 |
| Gourd | Fusarium | sp. | Fusarium Fruit Rot | 1 |
| Gourd, Luffa | Erwinia | tracheiphila | Bacterial Wilt | 1 |
| Grape, American | Plasmopara | viticola | Downy Mildew | 1 |
| Grape, European | Guignardia | bidwellii | Black Rot | 1 |
| Grape, European | Xylella | fastidiosa | Pierce*s Disease | 1 |
| Gray*s Lily | Leaf Spot, Undetermined | 1 | ||
| Hawthorn, Indian | Fungal Leafspot, Undetermined | 1 | ||
| Hawthorn, Indian | Phomopsis Dieback Suspected | 1 | ||
| Hawthorn, Indian | Entomosporium | sp. | Entomosporium Leaf Spot | 1 |
| Hawthorn, Indian | Pestalotiopsis | sp. | Pestalotiopsis leaf spot | 1 |
| Hellebore | Fusarium Root Rot Suspected | 1 | ||
| Hellebore | Rhizoctonia | sp. | Rhizoctonia Root Rot | 1 |
| Herbs | Fungal Dieback, Undetermined | 1 | ||
| Herbs | Botrytis | cinerea | Botrytis Blight | 1 |
| Hibiscus | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| Hibiscus | Pythium | sp. | Pythium Root Rot | 1 |
| Holly | Inadequate Sample | 1 | ||
| Holly | Criconemella | sp. | Nematodes, Ring | 1 |
| Holly | Phytophthora | cinnamomi | Phytophthora Root Rot | 1 |
| Holly | Tylenchorhynchus | sp. | Nematodes, Stunt | 1 |
| Holly, American | Criconemella | sp. | Nematodes, Ring | 1 |
| Holly, American | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| Holly, American | Xiphinema | sp. | Nematodes, Dagger | 1 |
| Holly, Chinese | Thielaviopsis | basicola | Black Root Rot | 1 |
| Holly, Hybrid | Botryosphaeria | sp. | Botryosphaeria Dieback | 1 |
| Holly, Hybrid | Colletotrichum | sp. | Anthracnose | 1 |
| Holly, Hybrid | Glomerella | sp. | Anthracnose | 1 |
| Holly, Hybrid | Meloidogyne | sp. | Nematodes, Root Knot | 1 |
| Holly, Hybrid | Phytophthora | cinnamomi | Phytophthora Root Rot | 1 |
| Holly, Hybrid | Sphaerobolus | stellatus | Artillery Fungus | 1 |
| Holly, Japanese | Inadequate Sample | 1 | ||
| Holly, Japanese | Nematode Injury Suspected | 1 | ||
| Holly, Japanese | No Disease | 1 | ||
| Holly, Japanese | Botryosphaeria | sp. | Botryosphaeria Canker | 1 |
| Holly, Japanese | Botryosphaeria | sp. | Botryosphaeria Dieback | 1 |
| Holly, Japanese | Criconemella | sp. | Nematodes, Ring | 4 |
| Holly, Japanese | Meloidogyne | sp. | Nematodes, Root Knot | 3 |
| Holly, Japanese | Pratylenchus | sp. | Nematodes, Lesion | 3 |
| Holly, Japanese | Thielaviopsis | basicola | Black Root Rot | 32 |
| Holly, Japanese | Tylenchorhynchus | sp. | Nematodes, Stunt | 1 |
| Holly, Japanese | Xiphinema | sp. | Nematodes, Dagger | 3 |
| Hosta | Bacterial Soft Rot, Suspected | 1 | ||
| Hosta | Cercospora | sp. | Cercospora Leaf Spot | 1 |
| Hosta | Colletotrichum | sp. | Anthracnose | 5 |
| Hosta | Fusarium | sp. | Fusarium Crown Rot | 2 |
| Hosta | Fusarium | sp. | Fusarium Root/Crown Rot | 2 |
| Hosta | Pythium | sp. | Pythium Root Rot | 1 |
| Hosta | Rhizoctonia | sp. | Rhizoctonia Root/Stem Rot | 1 |
| Hosta | Septoria | sp. | Septoria Leaf Spot | 1 |
| Household | Mold/Mildew | Mold/Mildew | 2 | |
| Household/industrial | Mold/Mildew | Mold/Mildew | 1 | |
| Hyacinth | Bacterial Soft Rot, Suspected | 1 | ||
| Hydrangea | Fungal Leafspot, Undetermined | 1 | ||
| Hydrangea | Cercospora | sp. | Cercospora Leaf Spot | 2 |
| Hydrangea | Colletotrichum | sp. | Anthracnose | 1 |
| Hydrangea | Pythium | sp. | Pythium Root Rot | 3 |
| Hydrangea, French | Fungal Leafspot, Undetermined | 1 | ||
| Hydrangea, French | Powdery Mildew Suspected | 1 | ||
| Hydrangea, French | Cercospora | sp. | Cercospora Leaf Spot | 2 |
| Hydrangea, French | Pythium | sp. | Pythium Root Rot | 1 |
| Hydrangea, Wild | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| Hydrangea, Wild | Pythium | sp. | Pythium Root Rot | 1 |
| Ice Plant | Fusarium | sp. | Fusarium Stem Rot | 1 |
| Impatiens | Impatiens Necrotic Spot Virus | Impatiens Necrotic Spot | 2 | |
| Impatiens | Pythium | aphanidermatum | Pythium Root Rot | 1 |
| Impatiens | Pythium | sp. | Pythium Root Rot | 1 |
| Impatiens | Pythium | sp. | Pythium Root/Crown Rot | 1 |
| Impatiens, New Guinea | Fungal Leafspot, Undetermined | 1 | ||
| Impatiens, New Guinea | Impatiens Necrotic Spot Virus | Impatiens Necrotic Spot | 1 | |
| Inkberry | Phytophthora | sp. | Phytophthora Crown Rot | 1 |
| Inkberry | Phytophthora | sp. | Phytophthora Root/Crown Rot | 1 |
| Inkberry | Thielaviopsis | basicola | Black Root Rot | 2 |
| Inkberry | Xiphinema | sp. | Nematodes, Dagger | 1 |
| Iris | Heterosporium | sp. | Heterosporium Leaf Spot | 1 |
| Iris | Mycosphaerella | sp. | Mycosphaerella Leaf Spot | 4 |
| Iris | Penicillium | sp. | Penicillium Bulb Rot | 1 |
| Ivy, English | Bacterial Leaf Spot, Undetermined | 1 | ||
| Ivy, English | Fungal Leafspot, Undetermined | 1 | ||
| Ivy, English | Colletotrichum | sp. | Anthracnose Fruit Rot | 1 |
| Ivy, English | Phoma | sp. | Phoma Leaf Spot | 1 |
| Ivy, English | Phytophthora | cactorum | Phytophthora Root Rot | 1 |
| Ivy, English | Phytophthora | sp. | Phytophthora Blight | 1 |
| Ivy, English | Pythium | sp. | Pythium Root Rot | 2 |
| Ivy, English | Xanthomonas | sp. | Bacterial Leaf Spot | 1 |
| Japanese grass | Botrytis | cinerea | Botrytis Blight | 1 |
| Joe Pye Weed | Pythium | sp. | Pythium Root Rot | 1 |
| Juniper | Dieback, Undetermined | 1 | ||
| Juniper | Phomopsis Twig Blight Suspected | 1 | ||
| Juniper | Root Rot, Undetermined | 4 | ||
| Juniper | Phomopsis | sp. | Phomopsis Twig Blight | 1 |
| Juniper | Phytophthora | sp. | Phytophthora Root Rot | 6 |
| Kaffir Lily | Fusarium | sp. | Fusarium Basal Rot | 1 |
| Kalanchoe | Rhizoctonia | sp. | Rhizoctonia Root/Stem Rot | 1 |
| Kale, Ornamental | Xanthomonas | campestris (camp) | Black Rot | 1 |
| Lamiastrum | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| Lamiastrum | Pythium | sp. | Pythium Root/Stem Rot | 1 |
| Lantana | Aphelenchoides | sp. | Nematodes, Foliar | 2 |
| Lantana | Pseudomonas | sp. | Bacterial Leaf Spot | 2 |
| Laurel | Bacterial Leaf Spot, Undetermined | 1 | ||
| Lawn | Centipede Decline | 1 | ||
| Lawn | Rhizoctonia | solani | Brown Patch | 1 |
| Ligularia | Pythium | sp. | Pythium Root Rot | 1 |
| Ligularia | Rhizoctonia | sp. | Rhizoctonia Root/Stem Rot | 1 |
| Lily | Pythium | sp. | Pythium Root Rot | 1 |
| Liriope | Nematodes, Root Knot Suspected | 1 | ||
| Liriope | Colletotrichum | sp. | Anthracnose | 1 |
| Liriope | Fusarium | sp. | Fusarium Crown Rot | 1 |
| Lisianthus | Pythium | sp. | Pythium Root Rot | 1 |
| Little Bluestem | Fungal Dieback, Undetermined | 1 | ||
| Lobelia, Blue | Tomato Spotted Wilt | virus | Tomato Spotted Wilt | 1 |
| Loosestrife, Garden | Colletotrichum | sp. | Anthracnose | 1 |
| Loosestrife, Garden | Rhizoctonia | solani | Rhizoctonia Stem Rot | 1 |
| Lungwort | Pythium | sp. | Pythium Root Rot | 1 |
| Lungwort | Rhizoctonia | solani | Rhizoctonia Root/Stem Rot | 1 |
| Mandevilla | Pythium | sp. | Pythium Root Rot | 1 |
| Maple, Hybrid | Botryodiplodia | sp. | Botryodiplodia Stem Rot | 1 |
| Maple, Japanese | Fungal Canker, Undetermined | 1 | ||
| Maple, Japanese | Lichens | 1 | ||
| Maple, Japanese | Colletotrichum | gloeosporioides | Anthracnose | 1 |
| Maple, Japanese | Phoma | sp. | Phoma Leaf Spot | 1 |
| Maple, Japanese | Phomopsis | sp. | Phomopsis Dieback | 1 |
| Maple, Red | Armillaria | sp. | Mushroom Root Rot | 1 |
| Maple, Red | Ganoderma | lucidum | Wood Rot Fungus | 1 |
| Maple, Red | Phomopsis | sp. | Phomopsis Dieback | 1 |
| Maple, Red | Phyllosticta | minima | Phyllosticta Leaf Spot | 1 |
| Maple, Sugar | Discula | sp. | Anthracnose | 1 |
| Marigold | Meloidogyne | sp. | Nematodes, Root Knot | 1 |
| Mayapple | Puccinia | podophylli | Rust | 1 |
| Mazus | Pythium | sp. | Pythium Root Rot | 1 |
| Mazus | Rhizoctonia | solani | Rhizoctonia Root/Stem Rot | 2 |
| Melon | Geotrichum | candidum | Sour Rot | 1 |
| Melon | Meloidogyne | sp. | Nematodes, Root Knot | 1 |
| Million bells | Pythium | sp. | Pythium Root Rot | 2 |
| Million bells | Rhizoctonia | solani | Rhizoctonia Root/Stem Rot | 1 |
| Million Bells | Thielaviopsis | basicola | Black Root Rot | 2 |
| Mimosa | Fusarium | sp. | Fusarium Wilt | 1 |
| Miscanthus | Fungal Leafspot, Undetermined | 1 | ||
| Miscanthus | Colletotrichum | sp. | Anthracnose | 2 |
| Miscanthus | Fusarium | sp. | Fusarium Root/Crown Rot | 1 |
| Miscanthus | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| Miscanthus | Pythium | sp. | Pythium Root Rot | 2 |
| Money Plant | Fusarium | sp. | Fusarium Root/Stem Rot | 1 |
| Money Plant | Rhizoctonia | solani | Rhizoctonia Root/Stem Rot | 1 |
| Morning Glory | Coleosporium | ipomoeae | Red rust | 1 |
| Multiple Hosts, Ornamental | Algae | 1 | ||
| Multiple Hosts, Ornamental | Phyllosticta | sp. | Phyllosticta Leaf Spot | 1 |
| Multiple Hosts, Ornamental | Phytophthora | sp. | Phytophthora Root/Crown Rot | 1 |
| Multiple Hosts, Ornamental | Phytophthora | sp. | Phytophthora Root/Stem Rot | 1 |
| Multiple Hosts, Ornamental | Pythium | sp. | Pythium Root Rot | 1 |
| Multiple Hosts, Ornamental | Pythium | sp. | Pythium Root/Crown Rot | 1 |
| Multiple Hosts, Ornamental | Rhizoctonia | solani | Rhizoctonia Root/Stem Rot | 3 |
| Multiple Hosts, Ornamental | Rhizoctonia | sp. | Rhizoctonia Root/Stem Rot | 1 |
| Multiple Hosts, Ornamental | Sphaerobolus | stellatus | Artillery Fungus | 1 |
| Multiple Hosts, Vegetable | Sclerotium | rolfsii | Southern Blight | 1 |
| Multiple Hosts, Vegetable | Tomato Spotted Wilt | virus | Tomato Spotted Wilt | 2 |
| Mustard | Albugo | candida | White Rust | 1 |
| Mustard | Cercosporella | brassicae | White Spot | 1 |
| Mustard | Pseudoperonospora | sp. | Downy Mildew | 1 |
| Nandina | Bacterial Leaf Spot, Undetermined | 2 | ||
| Nandina | Fungal Leafspot, Undetermined | 1 | ||
| Nandina | Botrytis | sp. | Botrytis Leaf Spot | 1 |
| Nandina | Cucumber Mosaic | virus | Cucumber Mosaic Virus | 1 |
| Nandina | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| Nandina | Rhizoctonia | solani | Web Blight | 1 |
| Nemesia | Fungal Leafspot, Undetermined | 1 | ||
| Nemesia | Pythium | sp. | Pythium Root/Stem Rot | 1 |
| Nicotiana | Rhizoctonia | solani | Target Spot | 1 |
| Oak | Botryosphaeria | dothidea | Botryosphaeria Canker | 1 |
| Oak | Ganoderma | lucidum | Wood Rot Fungus | 1 |
| Oak | Hericium | erineus | Wood Rot Fungus | 1 |
| Oak, Live | Cronartium | quercuum | Fusiform Rust | 1 |
| Oak, Live | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| Oak, Live | Taphrina | caerulescens | Leaf Blister | 2 |
| Oak, Scarlet | Taphrina | sp. | Leaf Blister | 1 |
| Oak, Shumard | Xylella | fastidiosa | Bacterial Scorch | 1 |
| Oak, Water | Ganoderma | curtisii | Wood Rot Fungus | 1 |
| Oak, Willow | Laetiporus | sulphureus | Wood Rot Fungus | 1 |
| Oats | Barley Yellow Dwarf | virus, rpv | Barley Yellow Dwarf, Rpv Strain | 1 |
| Oats | Ustilago | sp. | Smut | 1 |
| Oleander | Botryosphaeria | sp. | Botryosphaeria Canker | 1 |
| Onion | Aspergillus | niger | Black Mold | 1 |
| Onion | Pseudomonas | cepacia | Sour Skin | 1 |
| Orchardgrass | Fungal Leafspot, Undetermined | 1 | ||
| Orchid | Colletotrichum | sp. | Anthracnose | 1 |
| Orchid | Pseudomonas | sp. | Bacterial Leaf Spot | 1 |
| Ornamental, General | Aphelenchoides | sp. | Nematodes, Foliar | 1 |
| Ornamental, General | Cercospora | sp. | Cercospora Leaf Spot | 1 |
| Ornamental, General | Impatiens Necrotic Spot Virus | Impatiens Necrotic Spot | 1 | |
| Ornamental, General | Tomato Spotted Wilt | virus | Tomato Spotted Wilt | 3 |
| Osmanthus | Fungal Leafspot, Undetermined | 1 | ||
| Osteospermum | Botrytis Stem Rot Suspected | 1 | ||
| Osteospermum | Botrytis | sp. | Botrytis Blight | 1 |
| Oxalis | Pythium | sp. | Pythium Root Rot | 1 |
| Oxalis | Pythium | sp. | Pythium Root/Crown Rot | 1 |
| Oxalis | Sphaerobolus | stellatus | Artillery Fungus | 1 |
| Pachysandra | Sclerotium | rolfsii | Southern Blight | 1 |
| Pachysandra | Volutella | pachysandrae | Volutella Blight | 2 |
| Pachysandra, Japanese | Pythium | sp. | Pythium Root Rot | 1 |
| Pachysandra, Japanese | Rhizoctonia | solani | Rhizoctonia Root/Stem Rot | 1 |
| Pachysandra, Japanese | Volutella | pachysandrae | Volutella Blight | 2 |
| Palm | Fungal Leafspot, Undetermined | 1 | ||
| Palm, Needle | Aphelenchoides | sp. | Nematodes, Foliar | 1 |
| Palm, Queen | Pythium | sp. | Pythium Root Rot | 1 |
| Pansy | Bacterial Leaf Spot, Undetermined | 1 | ||
| Pansy | Fungal Leafspot, Undetermined | 1 | ||
| Pansy | Pythium Root Rot Suspected | 1 | ||
| Pansy | Root Rot, Undetermined | 1 | ||
| Pansy | Alternaria | sp. | Alternaria Leaf Spot | 2 |
| Pansy | Alternaria | sp. | Alternaria Stem Blight | 1 |
| Pansy | Botrytis | cinerea | Botrytis Blight | 4 |
| Pansy | Botrytis | cinerea | Gray Mold | 1 |
| Pansy | Botrytis | sp. | Botrytis Blight | 1 |
| Pansy | Cercospora | sp. | Cercospora Leaf Spot | 8 |
| Pansy | Colletotrichum | sp. | Anthracnose | 1 |
| Pansy | Fusarium | sp. | Fusarium Crown Rot | 1 |
| Pansy | Fusarium | sp. | Fusarium Root/Crown Rot | 1 |
| Pansy | Myrothecium | sp. | Myrothecium Blight | 2 |
| Pansy | Phytophthora | cinnamomi | Phytophthora Root Rot | 1 |
| Pansy | Phytophthora | nicotianae [=parasitica] | Phytophthora Root/Stem Rot | 1 |
| Pansy | Phytophthora | sp. | Phytophthora Root/Crown Rot | 1 |
| Pansy | Phytophthora | sp. | Phytophthora Stem Rot | 1 |
| Pansy | Pythium | aphanidermatum | Pythium Root Rot | 1 |
| Pansy | Pythium | sp. | Pythium Root Rot | 10 |
| Pansy | Pythium | sp. | Pythium Root/Stem Rot | 1 |
| Pansy | Rhizoctonia | solani | Rhizoctonia Root Rot | 1 |
| Pansy | Rhizoctonia | sp. | Damping-off | 1 |
| Pansy | Rhizoctonia | sp. | Rhizoctonia Root/Stem Rot | 2 |
| Pansy | Thielaviopsis | basicola | Black Root Rot | 17 |
| Paullinia | Virus, Undetermined | 1 | ||
| Peach | Monilinia | fructicola | Brown rot blossom blight and fruit rot | 1 |
| Peach | Phomopsis | amygdali | Constriction Canker | 1 |
| Peanut | Insect Problem | 1 | ||
| Peanut | No Disease | 1 | ||
| Peanut | Cylindrocladium | parasiticum | Cylindrocladium Black Rot | 1 |
| Peanut | Fusarium | sp. | Fusarium Wilt | 1 |
| Peanut | Meloidogyne | hapla | Nematodes, Root Knot | 1 |
| Peanut | Tomato Spotted Wilt | virus | Tomato Spotted Wilt | 16 |
| Pear | Phytophthora | sp. | Phytophthora Contamination | 1 |
| Pear | Pythium | sp. | Pythium Contamination | 1 |
| Pear, Ornamental | Entomosporium | mespili | Entomosporium Leaf Spot | 1 |
| Pear, Ornamental | Erwinia | amylovora | Fire Blight | 1 |
| Pentas | Pythium | sp. | Pythium Root Rot | 1 |
| Peony | No Disease | 1 | ||
| Peony | Meloidogyne | sp. | Nematodes, Root Knot | 1 |
| Peony | Rhizoctonia | solani | Rhizoctonia Root Rot | 1 |
| Pepper | Soft Rot, Undetermined | 1 | ||
| Pepper | Tomato Spotted Wilt Suspected | 2 | ||
| Pepper | Alternaria | alternata | Black Mold Rot | 1 |
| Pepper | Erwinia | sp. | Bacterial Soft Rot | 1 |
| Pepper | Phytophthora | sp. | Phytophthora Root/Crown Rot | 1 |
| Pepper | Phytophthora | sp. | Phytophthora Root/Stem Rot | 1 |
| Pepper | Pythium | sp. | Pythium Damping-off | 1 |
| Pepper | Pythium | sp. | Pythium Root Rot | 1 |
| Pepper | Rhizoctonia | solani | Rhizoctonia Root/Stem Rot | 1 |
| Pepper | Sclerotium | rolfsii | Southern Blight | 1 |
| Pepper | Sclerotium | rolfsii | Southern Stem Rot | 1 |
| Pepper | Tomato Spotted Wilt | virus | Tomato Spotted Wilt | 18 |
| Pepper | Xanthomonas | campestris (vesicatoria) | Bacterial Spot | 1 |
| Periwinkle, Common | Meloidogyne | sp. | Nematodes, Root Knot | 1 |
| Periwinkle, Common | Phoma | sp. | Phoma Blight | 1 |
| Periwinkle, Common | Rhizoctonia | solani | Rhizoctonia Root/Stem Rot | 1 |
| Periwinkle, Common | Rhizoctonia | solani | Rhizoctonia Stem Rot | 1 |
| Periwinkle, Large | Thielaviopsis | basicola | Black Root Rot | 2 |
| Periwinkle, Madagascar | Phytophthora | nicotianae [=parasitica] | Phytophthora Blight | 3 |
| Periwinkle, Madagascar | Phytophthora | sp. | Phytophthora Blight | 1 |
| Periwinkle, Madagascar | Pythium | sp. | Pythium Root Rot | 3 |
| Periwinkle, Madagascar | Pythium | sp. | Pythium Root/Crown Rot | 1 |
| Periwinkle, Madagascar | Rhizoctonia | solani | Rhizoctonia Root/Stem Rot | 5 |
| Periwinkle, Madagascar | Sclerotium | rolfsii | Southern Blight | 1 |
| Periwinkle, Madagascar | Thielaviopsis | basicola | Black Root Rot | 1 |
| Periwinkle, Madagascar | Thielaviopsis | basicola | Thielaviopsis leaf spot | 1 |
| Periwinkle, Madagascar | Tomato Spotted Wilt | virus | Tomato Spotted Wilt | 1 |
| Petunia | Fusarium | sp. | Fusarium Crown Rot | 2 |
| Petunia | Phytophthora | sp. | Phytophthora Root Rot | 3 |
| Petunia | Pythium | aphanidermatum | Pythium Root Rot | 1 |
| Petunia | Pythium | sp. | Pythium Root Rot | 8 |
| Petunia | Pythium | sp. | Pythium Root/Crown Rot | 1 |
| Petunia | Rhizoctonia | solani | Rhizoctonia Root/Stem Rot | 4 |
| Petunia | Rhizoctonia | sp. | Rhizoctonia Root/Stem Rot | 7 |
| Petunia | Sclerotinia | sp. | Sclerotinia Stem Rot | 1 |
| Petunia | Thielaviopsis | basicola | Black Root Rot | 6 |
| Phlox | Slime Mold | 1 | ||
| Phlox | Colletotrichum | sp. | Anthracnose | 1 |
| Phlox | Meloidogyne | sp. | Nematodes, Root Knot | 1 |
| Phlox | Sclerotium | rolfsii | Southern Blight | 1 |
| Phlox, Moss | Fusarium | sp. | Fusarium Stem Rot | 1 |
| Phlox, Moss | Pythium | sp. | Pythium Root Rot | 1 |
| Phlox, Perennial | Cercospora | sp. | Cercospora Leaf Spot | 1 |
| Phlox, Perennial | Fusarium | sp. | Fusarium Root/Crown Rot | 1 |
| Phlox, Perennial | Phytophthora | sp. | Phytophthora Root/Crown Rot | 1 |
| Photinia | Entomosporium | mespili | Entomosporium Leaf Spot | 1 |
| Photinia | Entomosporium | sp. | Entomosporium Leaf Spot | 1 |
| Pieris | Botryosphaeria Dieback Suspected | 1 | ||
| Pieris | Botryosphaeria | sp. | Botryosphaeria Dieback | 1 |
| Pieris | Phomopsis | sp. | Phomopsis Dieback | 1 |
| Pieris | Phytophthora | cinnamomi | Phytophthora Crown Rot | 1 |
| Pieris, Japanese | Botryosphaeria | sp. | Botryosphaeria Dieback | 2 |
| Pincushion Flower | Powdery Mildew, Undetermined | 1 | ||
| Pincushion Flower | Pythium | sp. | Pythium Root Rot | 1 |
| Pincushion Flower | Rhizoctonia | sp. | Rhizoctonia Root Rot | 1 |
| Pine, Loblolly | Ploioderma | lethale | Needle Cast | 1 |
| Pistache, Chinese | Anthracnose, Undetermined | 1 | ||
| Pittosporum | Cercospora | sp. | Cercospora Leaf Spot | 1 |
| Pittosporum | Colletotrichum | sp. | Anthracnose | 1 |
| Pittosporum, Japanese | No Disease | 1 | ||
| Pittosporum, Japanese | Sooty Mold | 1 | ||
| Plum, Ornamental | Xanthomonas | campestris (pruni) | Bacterial Leaf Spot | 1 |
| Poinsettia | Bacterial Soft Rot, Suspected | 1 | ||
| Poinsettia | Powdery Mildew, Undetermined | 1 | ||
| Poinsettia | Pythium Root Rot Suspected | 1 | ||
| Poinsettia | Alternaria | sp. | Alternaria Leaf Spot | 1 |
| Poinsettia | Erwinia | carotovora | Bacterial Soft Rot | 1 |
| Poinsettia | Pythium | aphanidermatum | Pythium Root Rot | 1 |
| Poinsettia | Pythium | sp. | Pythium Root Rot | 8 |
| Poinsettia | Sphaceloma | sp. | Scab | 1 |
| Poppy | Oidium | sp. | Powdery Mildew | 1 |
| Potato | Erwinia | sp. | Bacterial Soft Rot | 1 |
| Potato | Fusarium | solani | Fusarium Dry Rot | 1 |
| Potato | Fusarium | spp. | Fusarium Dry Rot | 1 |
| Potato | Pythium | sp. | Pythium Root Rot | 1 |
| Potato | Streptomyces | sp. | Scab | 1 |
| Potato | Tomato Spotted Wilt | virus | Tomato Spotted Wilt | 8 |
| Primrose | Pythium | sp. | Pythium Root Rot | 1 |
| Primrose | Ramularia | sp. | Ramularia Leaf Spot | 1 |
| Primrose | Thielaviopsis | basicola | Black Root Rot | 1 |
| Pumpkin | Mosaic Virus, Undetermined | 2 | ||
| Pumpkin | Virus, Undetermined | 1 | ||
| Pumpkin | Alternaria | sp. | Alternaria Fruit Rot | 2 |
| Pumpkin | Fusarium | sp. | Fusarium Fruit Rot | 1 |
| Pumpkin | Microdochium | tabacinum | Microdochium Blight | 1 |
| Pumpkin | Pseudoperonospora | cubensis | Downy Mildew | 1 |
| Purple Coneflower | Pythium | sp. | Pythium Root Rot | 1 |
| Pyrethrum | Rhizoctonia | sp. | Rhizoctonia Root/Stem Rot | 1 |
| Radish | Soft Rot, Undetermined | 1 | ||
| Raspberry | Coniothyrium | fuckeli | Coniothyrium Canker | 1 |
| Raspberry | Septoria | sp. | Septoria Leaf Spot | 1 |
| Redbud | Botryosphaeria | dothidea | Botryosphaeria Dieback | 1 |
| Redcedar, Eastern | Armillaria | sp. | Armillaria Root Rot | 1 |
| Rhododendron | Fungal Leafspot, Undetermined | 1 | ||
| Rhododendron | No Disease | 2 | ||
| Rhododendron | Phytophthora Root Rot Suspected | 1 | ||
| Rhododendron | Armillaria | sp. | Mushroom Root Rot | 1 |
| Rhododendron | Botryosphaeria | dothidea | Botryosphaeria Dieback | 1 |
| Rhododendron | Botrytis | cinerea | Botrytis Dieback | 1 |
| Rhododendron | Gloeosporium | sp. | Gloeosporium Dieback | 1 |
| Rhododendron | Phomopsis | sp. | Phomopsis Dieback | 1 |
| Rhododendron | Phytophthora | cinnamomi | Phytophthora Root Rot | 1 |
| Rhododendron | Phytophthora | sp. | Phytophthora Root Rot | 4 |
| Rhododendron | Pratylenchus | sp. | Nematodes, Lesion | 1 |
| Rhododendron | Pythium | sp. | Pythium Root Rot | 1 |
| Rhododendron, Rosebay | Meloidogyne | sp. | Nematodes, Root Knot | 1 |
| Rhododendron, Rosebay | Phytophthora | cinnamomi | Phytophthora Root Rot | 1 |
| Rhododendron, Rosebay | Tylenchorhynchus | sp. | Nematodes, Stunt | 1 |
| Rose | Downy Mildew, Undetermined | 1 | ||
| Rose | Fungal Leafspot, Undetermined | 1 | ||
| Rose | Powdery Mildew, Undetermined | 1 | ||
| Rose | Rose Mosaic Suspected | 1 | ||
| Rose | Slime Mold | 1 | ||
| Rose | Stem Rot, Undetermined | 1 | ||
| Rose | Colletotrichum | gloeosporioides | Anthracnose | 1 |
| Rose | Cylindrocladium | scoparium | Cylindrocladium Dieback | 2 |
| Rose | Glomerella | cingulata | Canker | 1 |
| Rose | Pythium | sp. | Pythium Root Rot | 1 |
| Rose | Sphaerotheca | pannosa | Powdery Mildew | 1 |
| Rose | Undetermined Virus | Spring Dwarf Suspected | 2 | |
| Rosemary | Fusarium Root/Crown Rot Suspected | 1 | ||
| Rosemary | Pythium | sp. | Pythium Root Rot | 1 |
| Rosemary | Rhizoctonia | solani | Rhizoctonia Blight | 1 |
| Ryegrass | Pyricularia | grisea | Gray Leaf Spot | 1 |
| Sage | Pythium | sp. | Pythium Root Rot | 1 |
| Sage | Rhizoctonia | solani | Rhizoctonia Root/Stem Rot | 1 |
| Sage, Jerusalem | Pseudomonas | sp. | Bacterial Leaf Spot | 1 |
| Salvia | Bacterial Leaf Spot Suspected | 1 | ||
| Salvia | Pythium Root Rot Suspected | 1 | ||
| Salvia | Pythium | sp. | Pythium Root Rot | 2 |
| Scotch Broom | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| Sea Oats | Pyricularia | sp. | Pyricularia Leaf Spot | 1 |
| Sea Oats | Pythium | sp. | Pythium Root/Crown Rot | 1 |
| Sedge | Pythium | sp. | Pythium Root Rot | 1 |
| Sedge | Rhizoctonia | solani | Rhizoctonia Blight | 2 |
| Sedge | Rhizoctonia | solani | Web Blight | 1 |
| Sedum | Bacterial Soft Rot, Undetermined | 1 | ||
| Sedum | Fungal Stem Rot, Undetermined | 1 | ||
| Sedum | Botrytis | cinerea | Botrytis Stem Rot | 1 |
| Sedum | Lasiodiplodia | theobromae | Lasiodiplodia stem rot | 1 |
| Skullcap | Fusarium | spp. | Fusarium Rot | 1 |
| Snapdragon | Botrytis | sp. | Botrytis Blight | 1 |
| Snapdragon | Peronospora | antirrhini | Downy Mildew | 1 |
| Snapdragon | Puccinia | antirrhini | Rust | 1 |
| Snapdragon | Pythium | sp. | Pythium Root Rot | 2 |
| Snapdragon | Pythium | sp. | Pythium Root/Stem Rot | 1 |
| Snapdragon | Rhizoctonia | sp. | Rhizoctonia Root/Stem Rot | 1 |
| Soil | Meloidogyne | sp. | Nematodes, Root Knot | 1 |
| Soybean | Heterodera | glycines | Nematodes, Cyst | 3 |
| Soybean | Meloidogyne | sp. | Nematodes, Root Knot | 1 |
| Soybean | Phytophthora | megasperma f.sp. glycinea | Phytophthora Root Rot | 1 |
| Soybean | Pythium | sp. | Pythium Root Rot | 2 |
| Soybean | Rhizoctonia | solani | Rhizoctonia Root/Stem Rot | 3 |
| Soybean | Rhizoctonia | sp. | Rhizoctonia Root Rot | 1 |
| Soybean | Rhizoctonia | sp. | Rhizoctonia Root/Stem Rot | 1 |
| Speedwell | Rhizoctonia | solani | Rhizoctonia Root/Stem Rot | 1 |
| Spider Plant | Pythium | sp. | Pythium Root Rot | 1 |
| Spinach | Meloidogyne | sp. | Nematodes, Root Knot | 1 |
| Spirea | Fungal Canker, Undetermined | 1 | ||
| Spirea | Root Rot, Undetermined | 1 | ||
| Spirea | Colletotrichum | sp. | Anthracnose | 1 |
| Spirea | Cylindrosporium | sp. | Cylindrosporium Leaf Spot | 1 |
| Spirea | Pythium | sp. | Pythium Root Rot | 1 |
| Spirea | Rhizoctonia | solani | Web Blight | 1 |
| Spruce | Rosellinia | herpotrichoides | Rosellinia Blight | 1 |
| Spruce, Blue | Rhizosphaera | kalkhoffii | Rhizosphaera Needle Cast | 3 |
| Spruce, Blue | Stigmina | lautii | Stigmina Needle Blight | 1 |
| Spruce, Norway | Pythium | sylvaticum | Pythium Root Rot | 1 |
| Squash | Bacterial Leaf Spot Suspected | 1 | ||
| Squash | Pythium | sp. | Pythium Root Rot | 1 |
| St. Augustinegrass | Nematode Injury Suspected | 1 | ||
| St. Augustinegrass | Gaeumannomyces | sp. | Take-all Patch | 1 |
| St. Augustinegrass | Pyricularia | grisea | Gray Leaf Spot | 17 |
| St. Augustinegrass | Pythium | aphanidermatum | Pythium Blight | 1 |
| St. Augustinegrass | Pythium | sp. | Pythium Blight | 1 |
| St. Augustinegrass | Rhizoctonia | solani | Large Patch | 14 |
| St.-john*s-wort | Phytophthora Root Rot Suspected | 1 | ||
| Stock | Xanthomonas | campestris (icanae) | Bacterial Blight | 2 |
| Stokes Aster | Sclerotinia | sp. | Sclerotinia Crown Rot | 2 |
| Stokes* Aster | Tomato Spotted Wilt | virus | Tomato Spotted Wilt | 1 |
| Strawberry | Black Root Rot Complex | 2 | ||
| Strawberry | Powdery Mildew, Undetermined | 3 | ||
| Strawberry | Botrytis | cinerea | Botrytis Blight | 1 |
| Strawberry | Botrytis | cinerea | Botrytis Crown Rot | 6 |
| Strawberry | Botrytis | cinerea | Botrytis Fruit Rot | 1 |
| Strawberry | Colletotrichum | acutatum | Anthracnose | 29 |
| Strawberry | Colletotrichum | acutatum | Anthracnose Fruit Rot | 8 |
| Strawberry | Colletotrichum | fragariae | Anthracnose | 1 |
| Strawberry | Colletotrichum | gloeosporioides | Anthracnose | 7 |
| Strawberry | Colletotrichum | sp. | Anthracnose Crown Rot | 2 |
| Strawberry | Fusarium | solani | Fusarium Surface Rot | 1 |
| Strawberry | Gnomonia | sp. | Leaf Blotch | 1 |
| Strawberry | Mycosphaerella | fragariae | Common Leaf Spot | 2 |
| Strawberry | Phoma | sp. | Phoma Blight | 1 |
| Strawberry | Phomopsis | sp. | Phomopsis Blight | 1 |
| Strawberry | Phomopsis | sp. | Phomopsis Fruit Rot | 2 |
| Strawberry | Phytophthora | cactorum | Crown Rot | 10 |
| Strawberry | Phytophthora | sp. | Phytophthora Crown Rot | 5 |
| Strawberry | Phytoplasma | Phytoplasma Disease | 1 | |
| Strawberry | Pythium | sp. | Pythium Root Rot | 1 |
| Strawberry | Rhizoctonia | sp. | Rhizoctonia Root Rot | 2 |
| Strawberry | Rhizoctonia | sp. | Rhizoctonia Root/Stem Rot | 2 |
| Strawberry | Sclerotium | rolfsii | Southern Blight | 1 |
| Strawberry | Xanthomonas | fragariae | Angular Leaf Spot | 5 |
| Strawflower | Pythium | sp. | Pythium Root Rot | 1 |
| Strawflower | Pythium | sp. | Pythium Root/Stem Rot | 1 |
| Strawflower | Rhizoctonia | solani | Rhizoctonia Root/Stem Rot | 1 |
| Sweetpotato | Fusarium | oxysporum | Fusarium Root Rot | 1 |
| Sweetpotato | Fusarium | solani | Fusarium Root Rot | 1 |
| Sweetpotato | Geotrichum | candidum | Sour Rot | 6 |
| Sweetpotato | Geotrichum | sp. | Sour Rot | 2 |
| Sweetpotato | Meloidogyne | sp. | Nematodes, Root Knot | 1 |
| Sweetpotato | Monilochaetes | infuscans | Scurf | 2 |
| Sweetpotato | Rhizopus | stolonifer | Rhizopus Soft Rot | 4 |
| Sweetpotato | Sclerotium | rolfsii | Circular Spot | 1 |
| Sweetspire, Virginia | Fungal Leafspot, Undetermined | 1 | ||
| Sweetspire, Virginia | Colletotrichum | gloeosporioides | Anthracnose | 1 |
| Sweetspire, Virginia | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| Switch Grass | Fungal Leafspot, Undetermined | 1 | ||
| Switch Grass | Pythium | sp. | Pythium Root Rot | 1 |
| Thyme | Rhizoctonia | solani | Rhizoctonia Root/Stem Rot | 1 |
| Toad Lily | Rhizoctonia | solani | Web Blight | 1 |
| Tobacco | Black Shank Suspected | 2 | ||
| Tobacco | Frenching Suspected | 1 | ||
| Tobacco | No Disease | 1 | ||
| Tobacco | Potato Virus Y Suspected | 2 | ||
| Tobacco | Slime Mold | 1 | ||
| Tobacco | Cylindrocladium | sp. | Cylindrocladium Stem Rot | 1 |
| Tobacco | Erwinia | carotovora | Hollow Stalk | 1 |
| Tobacco | Fusarium | oxysporum | Fusarium Wilt | 1 |
| Tobacco | Fusarium | sp. | Fusarium Leaf Spot | 1 |
| Tobacco | Fusarium | sp. | Fusarium Root Rot | 1 |
| Tobacco | Fusarium | sp. | Fusarium Root/Stem Rot | 1 |
| Tobacco | Fusarium | sp. | Fusarium Wilt | 2 |
| Tobacco | Meloidogyne | sp. | Nematodes, Root Knot | 4 |
| Tobacco | Peronospora | tabacina | Blue Mold | 4 |
| Tobacco | Phytophthora | nicotianae [=parasitica] | Black Shank | 12 |
| Tobacco | Potyvirus, Undetermined | Potyvirus, Undetermined | 2 | |
| Tobacco | Pythium | aphanidermatum | Pythium Root Rot | 1 |
| Tobacco | Pythium | sp. | Pythium Damping-off | 1 |
| Tobacco | Pythium | sp. | Pythium Root Rot | 9 |
| Tobacco | Pythium | sp. | Pythium Stem Rot | 1 |
| Tobacco | Ralstonia | solanacearum | Granville Wilt | 10 |
| Tobacco | Rhizoctonia | solani | Rhizoctonia Damping-off | 1 |
| Tobacco | Rhizoctonia | solani | Rhizoctonia Root Rot | 1 |
| Tobacco | Rhizoctonia | solani | Rhizoctonia Stem Canker | 1 |
| Tobacco | Rhizoctonia | solani | Target Spot | 5 |
| Tobacco | Rhizoctonia | sp. | Rhizoctonia Root Rot | 1 |
| Tobacco | Rhizoctonia | sp. | Rhizoctonia Root/Stem Rot | 2 |
| Tobacco | Thielaviopsis | basicola | Black Root Rot | 3 |
| Tobacco | Tobacco Etch | virus | Tobacco Etch | 1 |
| Tobacco | Tobacco Mosaic Virus | Tobacco Mosaic | 1 | |
| Tobacco | Tomato Spotted Wilt | virus | Tomato Spotted Wilt | 17 |
| Tomato | Bacterial Leaf Spot, Undetermined | 1 | ||
| Tomato | Virus, Undetermined | 1 | ||
| Tomato | Botrytis | cinerea | Botrytis Fruit Rot | 1 |
| Tomato | Botrytis | cinerea | Gray Mold | 1 |
| Tomato | Erwinia | sp. | Bacterial Soft Rot | 1 |
| Tomato | Fulvia | fulva | Leaf Mold | 1 |
| Tomato | Fusarium | oxysporum (lycopersici) | Fusarium Wilt | 1 |
| Tomato | Fusarium | oxysporum (radicis-lycopersici) | Fusarium Root/Crown Rot | 1 |
| Tomato | Geotrichum | candidum | Sour Rot | 1 |
| Tomato | Meloidogyne | incognita | Nematodes, Root Knot | 1 |
| Tomato | Meloidogyne | sp. | Nematodes, Root Knot | 3 |
| Tomato | Phytophthora | infestans | Late Blight | 1 |
| Tomato | Pseudomonas | corrugata | Pith Necrosis | 4 |
| Tomato | Pseudomonas | syringae /tomato | Bacterial Speck | 1 |
| Tomato | Pythium | sp. | Pythium Root Rot | 3 |
| Tomato | Pythium | sp. | Pythium Root/Stem Rot | 1 |
| Tomato | Ralstonia | solanacearum | Southern Bacterial Wilt | 13 |
| Tomato | Ralstonia | solanacearum | Southern Bacterial Wilt Suspected | 1 |
| Tomato | Sclerotinia | sclerotiorum | Sclerotinia Stem Rot | 1 |
| Tomato | Sclerotium | rolfsii | Southern Blight | 4 |
| Tomato | Septoria | lycopersici | Septoria Leaf Spot | 1 |
| Tomato | Tomato Spotted Wilt | virus | Tomato Spotted Wilt | 32 |
| Tomato | Xanthomonas | campestris (vesicatoria) | Bacterial Spot | 4 |
| Trillium | Colletotrichum | sp. | Anthracnose | 1 |
| Tulip | Botrytis | sp. | Botrytis Blight | 1 |
| Tulip | Erwinia | sp. | Bacterial Soft Rot | 1 |
| Tulip | Fusarium | sp. | Fusarium Basal Plate Rot | 1 |
| Tulip | Fusarium | sp. | Fusarium Bulb Rot | 1 |
| Turf | Fairy Ring Suspected | 1 | ||
| Turf | Pythium | aphanidermatum | Pythium Blight | 1 |
| Turf | Pythium | sp. | Pythium Blight | 1 |
| Turf | Pythium | sp. | Pythium Root Rot | 1 |
| Turf | Rhizoctonia | solani | Brown Patch | 2 |
| Turf | Rhizoctonia | solani | Large Patch | 1 |
| Turf | Rhizoctonia | sp. | Brown Patch | 1 |
| Turf | Ustilago | sp. | Smut | 1 |
| Turf | Various Fungi | Fairy Ring | 1 | |
| Turnip | Mosaic Virus, Undetermined | 1 | ||
| Turnip | Cercosporella | brassicae | White Spot | 1 |
| Turnip | Colletotrichum | higginsianum | Anthracnose | 1 |
| Vegetable, General | Pythium | sp. | Pythium Root Rot | 2 |
| Vegetable, General | Ralstonia | solanacearum | Southern Bacterial Wilt | 1 |
| Vegetable, Undetermined | Fusarium | sp. | Fusarium Root/Stem Rot | 1 |
| Vegetable, Undetermined | Rhizoctonia | solani | Rhizoctonia Root/Stem Rot | 1 |
| Verbena | Bacterial Blight, Undetermined | 2 | ||
| Verbena | Bacterial Leaf Spot, Undetermined | 1 | ||
| Verbena | Powdery Mildew, Undetermined | 1 | ||
| Verbena | Xanthomonas Blight Suspected | 1 | ||
| Verbena | Phytophthora | sp. | Phytophthora Root Rot | 2 |
| Verbena | Potyvirus, Undetermined | Potyvirus, Undetermined | 2 | |
| Verbena | Pythium | sp. | Pythium Root Rot | 2 |
| Verbena | Pythium | sp. | Pythium Root/Stem Rot | 1 |
| Verbena | Rhizoctonia | sp. | Rhizoctonia Leaf Spot | 1 |
| Verbena | Thielaviopsis | basicola | Black Root Rot | 1 |
| Viburnum | Bacterial Leaf Spot Suspected | 1 | ||
| Viburnum | Botryosphaeria | sp. | Botryosphaeria Dieback | 1 |
| Viburnum | Cercospora | sp. | Cercospora Leaf Spot | 1 |
| Viburnum | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| Viburnum | Rhizoctonia | solani | Web Blight | 1 |
| Violet | Colletotrichum | sp. | Anthracnose | 1 |
| Wallflower | Botrytis | cinerea | Botrytis Stem Rot | 1 |
| Wallflower | Pythium | sp. | Pythium Root Rot | 1 |
| Wasabi | Phytophthora | sp. | Phytophthora Root/Crown Rot | 1 |
| Wasabi | Phytophthora | sp. | Phytophthora Root/Stem Rot | 1 |
| Wasabi | Rhizoctonia | solani | Rhizoctonia Root/Stem Rot | 1 |
| Water Hyacinth | Pythium | sp. | Pythium Stem Rot | 1 |
| Watermelon | Alternaria | cucumerina | Alternaria Leaf Spot | 1 |
| Watermelon | Didymella | bryoniae | Gummy Stem Blight | 2 |
| Watermelon | Fusarium | oxysporum (niveum) | Fusarium Wilt | 2 |
| Watermelon | Geotrichum | candidum | Sour Rot | 1 |
| Watermelon | Phytophthora | sp. | Phytophthora Fruit Rot | 1 |
| Watermelon | Potyvirus, Undetermined | Potyvirus, Undetermined | 1 | |
| Watermelon | Pythium | sp. | Pythium Damping-off | 1 |
| Watermelon | Pythium | sp. | Pythium Root Rot | 1 |
| Wax Myrtle | Botryosphaeria | dothidea | Botryosphaeria Canker | 1 |
| Wax Myrtle | Botryosphaeria | dothidea | Botryosphaeria Dieback | 1 |
| Wax Myrtle | Septoria | hodgesii | Leaf Spot | 1 |
| Wheat | Barley Yellow Dwarf | virus, pav | Barley Yellow Dwarf, Pav Strain | 1 |
| Wheat | Erysiphe | graminis | Powdery Mildew | 3 |
| Wheat | Rhizoctonia | sp. | Rhizoctonia Root/Stem Rot | 1 |
| Wild Ginger | Thielaviopsis | basicola | Black Root Rot | 2 |
| Willow, Corkscrew | Fungal Canker, Undetermined | 1 | ||
| Wood | Wood Rot Fungus, Undetermined | 1 | ||
| Wood | Meruliporia | incrassata | Wood Rot Fungus | 2 |
| Wood | Mold/Mildew | Mold/Mildew | 1 | |
| Yew | Phytophthora | cinnamomi | Phytophthora Root Rot | 1 |
| Zelkova | Stegophora | ulmea | Black Spot | 1 |
| Zinnia | Botrytis | cinerea | Botrytis Blight | 1 |
| Zinnia | Xanthomonas | sp. | Bacterial Leaf Spot | 1 |
| Zoysiagrass | Undetermined | 1 | ||
| Zoysiagrass | Yellow Patch Suspected | 1 | ||
| Zoysiagrass | Curvularia | sp. | Curvularia Leaf Spot Suspected | 1 |
| Zoysiagrass | Rhizoctonia | solani | Large Patch | 5 |
| Zoysiagrass | Sclerotinia | homoeocarpa | Dollar Spot | 3 |