2004 Summary of Diseases Diagnosed
| Host Name: | Genus: | Species: | Biotic Problem: | Count: |
| Acacia | Virus, Undetermined | 1 | ||
| African Violet | Botrytis | cinerea | Botrytis Blight | 1 |
| African Violet | Pythium | sp. | Pythium Root Rot | 4 |
| African Violet | Pythium | sp. | Pythium Root/Stem Rot | 1 |
| African-lily | Fusarium | sp. | Fusarium Root Rot | 1 |
| Agave | Colletotrichum | sp. | Anthracnose | 2 |
| Alfalfa | Rhizoctonia | solani | Rhizoctonia Crown Rot | 1 |
| Alfalfa | Sclerotinia | sp. | Sclerotinia Stem Rot | 1 |
| Amaryllis | Tomato Spotted Wilt | virus | Tomato Spotted Wilt | 1 |
| Anemone | Colletotrichum | sp. | Anthracnose | 1 |
| Anemone | Rhizoctonia | solani | Rhizoctonia Root Rot | 1 |
| Angel's Trumpet | Colletotrichum | sp. | Anthracnose | 1 |
| Angel's Trumpet | Cylindrocladium | sp. | Cylindrocladium Stem Rot | 1 |
| Anthurium | Corynespora | sp. | Corynespora Leaf Spot | 1 |
| Apple | Fire Blight Suspected | 1 | ||
| Apple | Sooty Mold | 1 | ||
| Apple | Botryosphaeria | dothidea | White Rot | 1 |
| Apple | Colletotrichum | gloeosporioides | Bitter Rot | 1 |
| Apple | Corticium | stevensii | Thread Blight | 1 |
| Apple | Erwinia | amylovora | Fire Blight | 3 |
| Apple | Gloeodes | pomigena | Sooty Blotch | 1 |
| Arborvitae | Colletotrichum | gloeosporioides | Anthracnose | 1 |
| Arborvitae | Gloeosporium | sp. | Anthracnose | 1 |
| Arborvitae | Passalora | sequoiae | Needle Blight | 1 |
| Arborvitae | Phytophthora | cinnamomi | Phytophthora Root Rot | 1 |
| Arborvitae | Pythium | sylvaticum | Pythium Root Rot | 1 |
| Arborvitae | Undetermined pathogen | Root Rot, Undetermined | 2 | |
| Argyranthemum | Pseudomonas Leaf Spot Suspected | 1 | ||
| Argyranthemum | Pseudomonas | sp. | Pseudomonas Leaf Spot | 1 |
| Arisaema | Erwinia | sp. | Bacterial Soft Rot | 1 |
| Ash | Cytospora | sp. | Cytospora Dieback | 1 |
| Ash | Discula | sp. | Anthracnose | 2 |
| Ash, European | Phomopsis | sp. | Phomopsis Twig Blight | 1 |
| Ash, Green | Discula | sp. | Anthracnose | 1 |
| Asparagus-fern | Cercospora | sp. | Cercospora Leaf Spot | 1 |
| Aucuba | Alternaria | sp. | Alternaria Leaf Spot | 1 |
| Aucuba | Gloeosporium | sp. | Anthracnose | 1 |
| Aucuba | Phomopsis | sp. | Phomopsis Leaf Blight | 1 |
| Azalea | No Disease | 1 | ||
| Azalea | Phomopsis Dieback Suspected | 1 | ||
| Azalea | Powdery Mildew, Undetermined | 1 | ||
| Azalea | Armillaria | sp. | Mushroom Root Rot | 1 |
| Azalea | Colletotrichum | sp. | Anthracnose | 1 |
| Azalea | Meloidogyne | sp. | Nematodes, Root Knot | 1 |
| Azalea | Phomopsis | sp. | Phomopsis Dieback | 2 |
| Azalea | Phytophthora | cinnamomi | Phytophthora Root Rot | 4 |
| Azalea | Phytophthora | citricola | Phytophthora Crown Rot | 1 |
| Azalea | Phytophthora | sp. | Phytophthora Root Rot | 2 |
| Azalea | Pratylenchus | sp. | Nematodes, Lesion | 1 |
| Azalea | Pythium | sp. | Pythium Root Rot | 1 |
| Azalea | Septoria | sp. | Septoria Leaf Spot | 2 |
| Azalea | Tylenchorhynchus | sp. | Nematodes, Stunt | 6 |
| Barley | Barley Yellow Dwarf | virus | Barley Yellow Dwarf | 1 |
| Basil, Common | Botrytis | cinerea | Gray Mold | 1 |
| Basil, Common | Sclerotinia | sp. | White Mold | 1 |
| Bean | Colletotrichum | lindemuthianum | Anthracnose | 1 |
| Bean | Pythium | sp. | Pythium Root Rot | 1 |
| Bean | Rhizoctonia | sp. | Rhizoctonia Root/Stem Rot | 1 |
| Bean, Butter | Rhizoctonia | solani | Rhizoctonia Pod Rot | 1 |
| Bean, Green | Sclerotium | rolfsii | Southern Blight | 1 |
| Beech | Scorias | spongiosa | Sooty Mold | 1 |
| Begonia | Pythium Root Rot Suspected | 1 | ||
| Begonia | Impatiens Necrotic Spot Virus | Impatiens Necrotic Spot | 1 | |
| Begonia | Pythium | sp. | Pythium Root Rot | 1 |
| Begonia | Rhizoctonia | solani | Rhizoctonia Root/Stem Rot | 1 |
| Bentgrass | Algae | 6 | ||
| Bentgrass | Fairy Ring Suspected | 2 | ||
| Bentgrass | Nematode Injury Suspected | 7 | ||
| Bentgrass | No Disease | 33 | ||
| Bentgrass | Yellow Patch Suspected | 1 | ||
| Bentgrass | Bipolaris | sp. | Helminthosporium Leaf Spot | 1 |
| Bentgrass | Colletotrichum | graminicola | Anthracnose | 22 |
| Bentgrass | Drechslera | sp. | Helminthosporium Leaf Spot | 1 |
| Bentgrass | Helminthosporium | sp. | Helminthosporium Leaf Spot | 1 |
| Bentgrass | Magnaporthe | poae | Summer Patch | 1 |
| Bentgrass | Meloidogyne | incognita | Nematodes, Root Knot | 1 |
| Bentgrass | Microdochium | nivale | Microdochium Patch | 1 |
| Bentgrass | Pythium | aphanidermatum | Pythium Blight | 3 |
| Bentgrass | Pythium | sp. | Pythium Blight | 1 |
| Bentgrass | Pythium | sp. | Pythium Root Rot | 37 |
| Bentgrass | Pythium | sp. | Pythium Root/Crown Rot | 1 |
| Bentgrass | Rhizoctonia | solani | Brown Patch | 1 |
| Bentgrass | Sclerotinia | homoeocarpa | Dollar Spot | 6 |
| Bentgrass | Undetermined pathogen | Unknown | 49 | |
| Bermudagrass | Algae | 1 | ||
| Bermudagrass | Fairy Ring Suspected | 2 | ||
| Bermudagrass | Nematode Injury Suspected | 7 | ||
| Bermudagrass | Nematodes, Root Knot Suspected | 3 | ||
| Bermudagrass | No Disease | 14 | ||
| Bermudagrass | Pythium Root Rot Suspected | 1 | ||
| Bermudagrass | Belonolaimus | sp. | Nematodes, Sting | 1 |
| Bermudagrass | Bipolaris | sp. | Helminthosporium Leaf Spot | 12 |
| Bermudagrass | Drechslera | sp. | Helminthosporium Leaf Spot | 3 |
| Bermudagrass | Helminthosporium- | like fungi | Helminthosporium Leaf Spot | 1 |
| Bermudagrass | Hoplolaimus | sp. | Nematodes, Lance | 1 |
| Bermudagrass | Puccinia | graminis | Rust | 1 |
| Bermudagrass | Pythium | sp. | Pythium Blight | 3 |
| Bermudagrass | Pythium | sp. | Pythium Root Rot | 12 |
| Bermudagrass | Rhizoctonia | solani | Brown Patch | 1 |
| Bermudagrass | Rhizoctonia | solani | Large Patch | 1 |
| Bermudagrass | Sclerotinia | homoeocarpa | Dollar Spot | 4 |
| Bermudagrass | Ustilago | sp. | Smut | 1 |
| Bermudagrass | Various Fungi | Fairy Ring | 1 | |
| Birch, River | Undetermined pathogen | Root Rot, Undetermined | 1 | |
| Black Cohosh | Phytophthora | sp. | Phytophthora Root/Crown Rot | 1 |
| Black Gum | Fungal Canker, Undetermined | 1 | ||
| Black Gum | Phyllosticta | sp. | Phyllosticta Leaf Spot | 1 |
| Black-eyed Susan | Pythium | sp. | Pythium Root Rot | 1 |
| Blackberry | Piebald Berry | 1 | ||
| Blackberry | Agrobacterium | tumefaciens | Crown Gall | 1 |
| Blackberry | Cercospora | sp. | Cercospora Leaf Spot | 1 |
| Blackberry | Tobacco Ringspot | virus | Tobacco Ringspot | 1 |
| Blackberry Lily | Alternaria | sp. | Alternaria Leaf Blight | 1 |
| Blackberry Lily | Pythium | sp. | Pythium Root Rot | 1 |
| Blueberry | Botryosphaeria Dieback Suspected | 1 | ||
| Blueberry | Pythium | sylvaticum | Pythium Root Rot | 1 |
| Bluegrass | No Disease | 2 | ||
| Bluegrass | Sclerotinia | homoeocarpa | Dollar Spot | 1 |
| Bluestar | Colletotrichum | sp. | Anthracnose | 1 |
| Bluestar | Puccinia | sp. | Leaf Rust | 1 |
| Borage | Alternaria | sp. | Alternaria Leaf Blight | 1 |
| Bouvardia | Pythium | sp. | Pythium Root Rot | 1 |
| Boxwood | Helicotylenchus | sp. | Nematodes, Spiral | 1 |
| Boxwood | Meloidogyne | sp. | Nematodes, Root Knot | 6 |
| Boxwood | Phytophthora | nicotianae [=parasitica] | Phytophthora Root Rot | 2 |
| Boxwood | Phytophthora | nicotianae [=parasitica] | Phytophthora Root/Crown Rot | 1 |
| Boxwood | Phytophthora | nicotianae [=parasitica] | Phytophthora Root/Stem Rot | 1 |
| Boxwood | Phytophthora | sp. | Phytophthora Root Rot | 2 |
| Boxwood | Phytophthora | sp. | Phytophthora Root/Crown Rot | 1 |
| Boxwood | Phytophthora | sp. | Phytophthora Root/Stem Rot | 1 |
| Boxwood | Pratylenchus | sp. | Nematodes, Lesion | 1 |
| Boxwood | Pythium | sylvaticum | Pythium Root Rot | 1 |
| Boxwood | Volutella | sp. | Volutella dieback | 2 |
| Boxwood, Common | Criconemella | sp. | Nematodes, Ring | 1 |
| Boxwood, Common | Meloidogyne | sp. | Nematodes, Root Knot | 2 |
| Boxwood, Common | Phytophthora | nicotianae [=parasitica] | Phytophthora Root Rot | 1 |
| Boxwood, Common | Phytophthora | sp. | Phytophthora Root Rot | 2 |
| Boxwood, Common | Phytophthora | sp. | Phytophthora Root/Crown Rot | 1 |
| Boxwood, Common | Pratylenchus | sp. | Nematodes, Lesion | 6 |
| Boxwood, Common | Pythium | sp. | Pythium Root Rot | 1 |
| Boxwood, Common | Volutella | sp. | Volutella dieback | 2 |
| Boxwood, English | Macrophoma | sp. | Macrophoma Blight | 1 |
| Boxwood, English | Meloidogyne | sp. | Nematodes, Root Knot | 2 |
| Boxwood, English | Phytophthora | nicotianae [=parasitica] | Phytophthora Root Rot | 3 |
| Boxwood, English | Phytophthora | sp. | Phytophthora Root Rot | 2 |
| Boxwood, English | Pratylenchus | sp. | Nematodes, Lesion | 5 |
| Boxwood, English | Volutella | sp. | Volutella dieback | 4 |
| Broccoli | Peronospora | parasitica | Downy Mildew | 1 |
| Broccoli | Xanthomonas | campestris (camp) | Black Rot | 1 |
| Butterfly Bush | Downy Mildew, Undetermined | 1 | ||
| Butterfly Bush | Phytophthora | cinnamomi | Phytophthora Root Rot | 2 |
| Butterfly Flower | Erwinia | sp. | Bacterial Soft Rot | 1 |
| Cabbage | Cercospora | sp. | Cercospora Leaf Spot | 1 |
| Cabbage | Fusarium | sp. | Fusarium Root/Stem Rot | 1 |
| Cabbage | Peronospora | parasitica | Downy Mildew | 1 |
| Cabbage | Pseudomonas | syringae | Bacterial Blight | 1 |
| Cabbage | Pythium | sp. | Pythium Damping-off | 1 |
| Cabbage | Pythium | sp. | Pythium Root Rot | 2 |
| Cabbage | Rhizoctonia | sp. | Damping-off | 1 |
| Cabbage | Xanthomonas | campestris | Bacterial Leaf Spot | 1 |
| Calathea | Pythium | sp. | Pythium Root Rot | 1 |
| Camellia | Virus, Undetermined | 1 | ||
| Camellia | Armillaria | sp. | Mushroom Root Rot | 1 |
| Camellia | Botryosphaeria | sp. | Botryosphaeria Dieback | 2 |
| Camellia | Colletotrichum | acutatum | Anthracnose | 1 |
| Camellia | Colletotrichum | gloeosporioides | Anthracnose | 3 |
| Camellia | Colletotrichum | sp. | Anthracnose | 3 |
| Camellia | Exobasidium | camelliae | Leaf Gall | 1 |
| Camellia | Glomerella | cingulata | Canker | 2 |
| Camellia | Phyllosticta | sp. | Phyllosticta Leaf Spot | 1 |
| Camellia | Phytophthora | cinnamomi | Phytophthora Root Rot | 1 |
| Camellia | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| Camellia | Undetermined pathogen | Leaf Spot, Undetermined | 1 | |
| Canna | Bacterial Leaf Spot Suspected | 1 | ||
| Canna | Bacterial Leaf Spot, Undetermined | 1 | ||
| Cantaloupe | Alternaria | cucumerina | Alternaria Leaf Spot | 1 |
| Cantaloupe | Didymella | bryoniae | Gummy Stem Blight | 2 |
| Cantaloupe | Meloidogyne | sp. | Nematodes, Root Knot | 1 |
| Cantaloupe | Pseudoperonospora | cubensis | Downy Mildew | 2 |
| Cantaloupe | Pythium | sp. | Pythium Damping-off | 1 |
| Cantaloupe | Pythium | sp. | Pythium Root Rot | 1 |
| Cantaloupe | Sclerotium | rolfsii | Fruit Rot | 1 |
| Cedar, Deodar | Sphaeropsis | sapinea | Sphaeropsis Canker | 1 |
| Celosia | Fungal Leafspot, Undetermined | 1 | ||
| Celosia | Pythium | sp. | Pythium Root Rot | 1 |
| Celosia | Rhizoctonia | sp. | Rhizoctonia Root/Stem Rot | 1 |
| Centipedegrass | Fairy Ring Suspected | 3 | ||
| Centipedegrass | Nematode Injury Suspected | 7 | ||
| Centipedegrass | No Disease | 27 | ||
| Centipedegrass | Curvularia | sp. | Curvularia Leaf Spot | 2 |
| Centipedegrass | Physarum | sp. | Slime Mold | 1 |
| Centipedegrass | Pythium | sp. | Pythium Root Rot | 3 |
| Centipedegrass | Rhizoctonia | solani | Large Patch | 26 |
| Centipedegrass | Sclerotinia | homoeocarpa | Dollar Spot | 2 |
| Centipedegrass | Undetermined pathogen | Unknown | 1 | |
| Cherry | Botryosphaeria | sp. | Botryosphaeria Dieback | 1 |
| Cherry, Ornamental | Fungal Canker, Undetermined | 1 | ||
| Cherry, Ornamental | Blumeriella | jaapii | Coccomyces Leaf Spot | 1 |
| Cherry, Ornamental | Phomopsis | sp. | Phomopsis Dieback | 1 |
| Cherry, Ornamental | Septoria | sp. | Septoria Leaf Spot | 1 |
| Cherry, Ornamental | Sphaeropsis | sp. | Sphaeropsis Canker | 1 |
| Cherry, Ornamental | Undetermined pathogen | Dieback, Undetermined | 1 | |
| Cherry, Ornamental | Undetermined pathogen | Root Rot, Undetermined | 1 | |
| Cherrylaurel | Bacterial Leaf Spot, Undetermined | 1 | ||
| Cherrylaurel | Botryosphaeria | sp. | Botryosphaeria Canker | 1 |
| Cherrylaurel | Phytophthora | sp. | Phytophthora Root Rot | 2 |
| Cherrylaurel | Xanthomonas | campestris (pruni) | Bacterial Leaf Spot | 2 |
| Chilean bellflower | Colletotrichum | gloeosporioides | Anthracnose | 1 |
| Chilean bellflower | Pythium | sp. | Pythium Root Rot | 1 |
| Chrysanthemum | Bacterial Blight, Undetermined | 1 | ||
| Chrysanthemum | Pseudomonas Leaf Spot Suspected | 2 | ||
| Chrysanthemum | Didymella | ligulicola | Ascochyta Ray Blight | 1 |
| Chrysanthemum | Pseudomonas | cichorii | Bacterial Leaf Spot | 8 |
| Chrysanthemum | Pythium | aphanidermatum | Pythium Root Rot | 1 |
| Chrysanthemum | Pythium | sp. | Pythium Root Rot | 2 |
| Chrysanthemum | Pythium | sp. | Pythium Root/Stem Rot | 1 |
| Chrysanthemum | Rhizoctonia | solani | Web Blight | 2 |
| Clematis | Rhizoctonia | solani | Rhizoctonia Root Rot | 1 |
| Cleome | Albugo | candida | White Rust | 1 |
| Clerodendrum | Impatiens Necrotic Spot Virus | Impatiens Necrotic Spot | 2 | |
| Cleyera, Japanese | Phomopsis | sp. | Phomopsis Dieback | 1 |
| Cleyera, Japanese | Pythium | sp. | Pythium Root Rot | 1 |
| Coleus | Bacterial Leaf Spot Suspected | 1 | ||
| Collards | Alternaria | brassicae | Black Spot | 1 |
| Collards | Alternaria | brassicicola | Black Spot | 1 |
| Collards | Alternaria | sp. | Alternaria Leaf Spot | 1 |
| Collards | Erwinia | sp. | Bacterial Soft Rot | 1 |
| Collards | Pseudomonas | syringae | Bacterial Blight | 1 |
| Collards | Pythium | sp. | Pythium Root Rot | 1 |
| Collards | Rhizoctonia | solani | Rhizoctonia Root/Stem Rot | 1 |
| Collards | Xanthomonas | campestris (camp) | Black Rot | 2 |
| Coneflower | Bacterial Soft Rot, Suspected | 1 | ||
| Coneflower, Undetermined | Bacterial Soft Rot, Suspected | 1 | ||
| Coneflower, Undetermined | Ascochyta | sp. | Ascochyta Blight | 1 |
| Coneflower, Undetermined | Colletotrichum | sp. | Anthracnose | 1 |
| Coneflower, Undetermined | Fusarium | sp. | Fusarium Root Rot | 1 |
| Coralbells | Colletotrichum | sp. | Anthracnose | 2 |
| Coralbells | Pythium | sp. | Pythium Root Rot | 1 |
| Coralbells | Thielaviopsis | basicola | Black Root Rot | 1 |
| Corn | Nematode Injury Suspected | 1 | ||
| Corn | Pythium | sp. | Pythium Root Rot | 2 |
| Corn | Rhizoctonia | solani | Rhizoctonia Root/Stem Rot | 2 |
| Corydalis | Pythium | sp. | Pythium Root/Crown Rot | 1 |
| Cotoneaster | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| Cotoneaster | Rhizoctonia | sp. | Rhizoctonia Root/Stem Rot | 1 |
| Cotton | Rhizoctonia | sp. | Rhizoctonia Root/Stem Rot | 1 |
| Cotton | Xanthomonas | campestris (malvace) | Bacterial Blight | 1 |
| Cowpea | Cercospora | sp. | Cercospora Leaf Spot | 1 |
| Cowpea | Rhizoctonia | solani | Rhizoctonia Root/Stem Rot | 1 |
| Crabapple | Venturia | inaequalis | Scab | 1 |
| Cranesbill | Bacterial Blight Suspected | 1 | ||
| Crape Myrtle | Cercospora | sp. | Cercospora Leaf Spot | 4 |
| Crape Myrtle | Pythium | sylvaticum | Pythium Root Rot | 1 |
| Cross-vine | Cercospora | sp. | Cercospora Leaf Spot | 1 |
| Crown-of-thorns | Erwinia | sp. | Bacterial Soft Rot | 1 |
| Cryptomeria, Japanese | Passalora | sequoiae | Needle Blight | 1 |
| Cryptomeria, Japanese | Pythium | sp. | Pythium Root Rot | 1 |
| Cucumber | Corynespora | cassiicola | Target Spot | 1 |
| Cucumber | Meloidogyne | sp. | Nematodes, Root Knot | 1 |
| Cucumber | Pseudoperonospora | cubensis | Downy Mildew | 16 |
| Cucumber | Pseudoperonospora | sp. | Downy Mildew | 1 |
| Cucumber | Pythium | sp. | Pythium Root Rot | 2 |
| Cucumber | Pythium | sp. | Pythium Root/Stem Rot | 2 |
| Cucurbit | Potyvirus, Undetermined | Potyvirus, Undetermined | 2 | |
| Curcuma | Pseudomonas | sp. | Pseudomonas Leaf Spot | 1 |
| Cyclamen | Colletotrichum | gloeosporioides | Anthracnose | 1 |
| Cyclamen | Fusarium | sp. | Fusarium Root/Crown Rot | 1 |
| Cypress | Kabatina | juniperi | Kabatina Tip Blight | 1 |
| Cypress, Arizona | Seiridium | unicorne | Cypress Canker | 1 |
| Cypress, False | Pythium | sp. | Pythium Root Rot | 1 |
| Cypress, False | Pythium | sylvaticum | Pythium Root Rot | 1 |
| Cypress, Hinoki | Undetermined pathogen | Root Rot, Undetermined | 1 | |
| Cypress, Leyland | Algae | 2 | ||
| Cypress, Leyland | Botryosphaeria | dothidea | Botryosphaeria Canker | 1 |
| Cypress, Leyland | Botryosphaeria | dothidea | Botryosphaeria Dieback | 1 |
| Cypress, Leyland | Cercosporidium | sequoiae | Cercospora Leaf Spot | 1 |
| Cypress, Leyland | Cercosporidium | sequoiae | Needle Blight | 2 |
| Cypress, Leyland | Passalora | sequoiae | Needle Blight | 7 |
| Cypress, Leyland | Phytophthora | cinnamomi | Phytophthora Root Rot | 2 |
| Cypress, Leyland | Phytophthora | sp. | Phytophthora Root Rot | 6 |
| Cypress, Leyland | Pythium | sp. | Pythium Root Rot | 1 |
| Cypress, Leyland | Pythium | sylvaticum | Pythium Root Rot | 2 |
| Cypress, Leyland | Seiridium | unicorne | Cypress Canker | 6 |
| Dahlia | Bacterial Leaf Spot Suspected | 1 | ||
| Dahlia | Rust, Undetermined | 1 | ||
| Dahlia | Pythium | sp. | Pythium Root/Stem Rot | 1 |
| Dahlia | Rhizoctonia | solani | Rhizoctonia Crown Rot | 1 |
| Dahlia | Tomato Spotted Wilt | virus | Tomato Spotted Wilt | 1 |
| Daisy, Transvaal | Erysiphe | cichoracearum | Powdery Mildew | 1 |
| Daisy, Transvaal | Pythium | sp. | Pythium Root/Crown Rot | 1 |
| Daisy, Transvaal | Rhizoctonia | solani | Rhizoctonia Crown And Stem Rot | 1 |
| Daphne | Botryosphaeria | sp. | Botryosphaeria Dieback | 1 |
| Daphne | Pythium | sylvaticum | Pythium Root Rot | 1 |
| Daylily | Soft Rot, Undetermined | 1 | ||
| Daylily | Aureobasidium | microstictum | Leaf Streak | 2 |
| Daylily | Fusarium | sp. | Fusarium Root/Crown Rot | 1 |
| Daylily | Meloidogyne | sp. | Nematodes, Root Knot | 2 |
| Daylily | Phytophthora | sp. | Phytophthora Root/Crown Rot | 1 |
| Dianthus | Pseudomonas Leaf Spot Suspected | 1 | ||
| Dianthus | Rhizoctonia | solani | Rhizoctonia Leaf Spot | 1 |
| Dock, Bloody | Rust, Undetermined | 1 | ||
| Dogwood | Fungal Leafspot, Undetermined | 1 | ||
| Dogwood | No Disease | 1 | ||
| Dogwood | Powdery Mildew, Undetermined | 2 | ||
| Dogwood | Botryosphaeria | sp. | Botryosphaeria Canker | 1 |
| Dogwood | Phyllosticta | cornicola | Phyllosticta Leaf Spot | 1 |
| Dogwood, Undetermined | Septoria | sp. | Septoria Leaf Spot | 1 |
| Dusty Miller | Alternaria | sp. | Alternaria Leaf Blight | 1 |
| Dusty Miller | Pseudomonas | sp. | Pseudomonas Leaf Spot | 1 |
| Dusty Miller | Thielaviopsis | basicola | Black Root Rot | 1 |
| Elaeagnus | Phomopsis | sp. | Phomopsis Canker | 1 |
| Elderberry | Puccinia | bolleyana | Rust | 1 |
| Elephant*s-ear | Bacterial Leaf Spot Suspected | 1 | ||
| Elephant*s-ear | Bacterial Leaf Spot, Undetermined | 1 | ||
| Elephant*s-ear | Pythium | sp. | Pythium Root/Stem Rot | 1 |
| Elephant*s-ear | Rhizoctonia | solani | Rhizoctonia Root Rot | 1 |
| Ensete | Soft Rot, Undetermined | 1 | ||
| Ensete | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| Eucalyptus | Pythium | sp. | Pythium Root Rot | 1 |
| Eulalia | Pythium | sp. | Pythium Root Rot | 1 |
| Eupatorium | Oidium | sp. | Powdery Mildew | 1 |
| Evening Primrose | Cercospora | sp. | Cercospora Leaf Spot | 1 |
| Fatsia | Bacterial Leaf Spot, Undetermined | 1 | ||
| Fatsia | Alternaria | sp. | Alternaria Leaf Spot | 1 |
| Fatsia | Colletotrichum | gloeosporioides | Anthracnose | 1 |
| Feather Reed Grass | Ephelis | sp. | Leaf Blight | 1 |
| Fern | Alternaria | sp. | Alternaria Leaf Spot | 1 |
| Fern | Colletotrichum | sp. | Anthracnose | 1 |
| Fern | Fusarium | sp. | Fusarium Crown Rot | 1 |
| Fern, Boston | Rhizoctonia | solani | Web Blight | 1 |
| Fern, Holly | Pythium | sp. | Pythium Root Rot | 1 |
| Fern, Holly | Pythium | sp. | Pythium Root/Stem Rot | 1 |
| Fern, Table | Fusarium | sp. | Fusarium Root/Stem Rot | 1 |
| Fescue | No Disease | 15 | ||
| Fescue | Bipolaris | sp. | Helminthosporium Leaf Spot | 1 |
| Fescue | Colletotrichum | graminicola | Anthracnose | 2 |
| Fescue | Drechslera | dictyoides | Net Blotch | 1 |
| Fescue | Drechslera | sp. | Helminthosporium Leaf Spot | 4 |
| Fescue | Helminthosporium | sp. | Helminthosporium Leaf Spot | 4 |
| Fescue | Puccinia | graminis | Rust | 4 |
| Fescue | Puccinia | sp. | Rust | 1 |
| Fescue | Pyricularia | grisea | Gray Leaf Spot | 2 |
| Fescue | Pythium | aphanidermatum | Pythium Blight | 1 |
| Fescue | Rhizoctonia | solani | Brown Patch | 13 |
| Fescue | Sclerotinia | homoeocarpa | Dollar Spot | 1 |
| Fescue | Undetermined pathogen | Unknown | 1 | |
| Fescue | Various Fungi | Damping-off Complex | 1 | |
| Fir, Fraser | Phaeocryptopus | nudus | Needle Cast | 1 |
| Fir, Fraser | Phytophthora | cinnamomi | Phytophthora Root Rot | 6 |
| Fir, Fraser | Phytophthora | sp. | Phytophthora Root Rot | 11 |
| Fir, Fraser | Phytophthora | sp. | Phytophthora Root/Stem Rot | 1 |
| Fir, Fraser | Pythium | sp. | Pythium Root Rot | 2 |
| Forsythia | Meloidogyne | sp. | Nematodes, Root Knot | 1 |
| Forsythia | Phytophthora | nicotianae [=parasitica] | Phytophthora Root Rot | 1 |
| Fountain Grass | Ephelis | sp. | Inflorescence Blight | 1 |
| Fountain Grass | Gaeumannomyces | sp. | Take-all | 1 |
| Freesia | Virus, Undetermined | 1 | ||
| Fungus | Slime Mold | 1 | ||
| Gardenia | No Disease | 1 | ||
| Gardenia | Meloidogyne | sp. | Nematodes, Root Knot | 1 |
| Gardenia | Myrothecium | sp. | Myrothecium Blight | 1 |
| Gardenia | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| Gardenia | Pythium | sp. | Pythium Root Rot | 1 |
| Geranium | Pseudomonas Leaf Spot Suspected | 1 | ||
| Geranium | Pythium | sp. | Pythium Root Rot | 5 |
| Geranium | Pythium | sp. | Pythium Root/Stem Rot | 1 |
| Geranium | Xanthomonas | campestris (pelargonii) | Bacterial Blight | 3 |
| Ginkgo | Glomerella | cingulata | Leaf Spot | 1 |
| Gourd | Fusarium | oxysporum (melonis) | Fusarium Wilt | 1 |
| Grape | Anthracnose Suspected | 1 | ||
| Grape | Fungal Dieback, Undetermined | 2 | ||
| Grape | Guignardia | bidwellii | Black Rot | 3 |
| Grape | Plasmopara | viticola | Downy Mildew | 1 |
| Grape | Pseudocercospora | vitis | Leaf Blight | 1 |
| Grape, American | Fungal Dieback, Undetermined | 1 | ||
| Grape, European | Agrobacterium | tumefaciens | Crown Gall | 1 |
| Grape, Muscadine | Botryosphaeria | dothidea | Macrophoma Rot | 1 |
| Grape, Muscadine | Cercospora | sp. | Angular Leaf Spot | 1 |
| Grape, Muscadine | Colletotrichum | sp. | Ripe Rot | 1 |
| Grape, Muscadine | Guignardia | bidwellii | Black Rot | 1 |
| Hawthorn, Indian | Entomosporium | sp. | Entomosporium Leaf Spot | 3 |
| Hawthorn, Indian | Meloidogyne | sp. | Nematodes, Root Knot | 1 |
| Hawthorn, Indian | Sphaeropsis | sp. | Sphaeropsis Dieback | 1 |
| Hellebore | Bacterial Leaf Spot Suspected | 1 | ||
| Hellebore | Fusarium | sp. | Fusarium Root/Crown Rot | 1 |
| Hellebore | Pythium | sp. | Pythium Root Rot | 2 |
| Hellebore | Rhizoctonia | solani | Rhizoctonia Crown And Stem Rot | 1 |
| Hemlock | Armillaria | sp. | Armillaria Root Rot | 1 |
| Hemlock, Canadian | Melampsora | farlowii | Leaf Rust | 1 |
| Holly | Thielaviopsis | basicola | Black Root Rot | 2 |
| Holly, American | Pythium | sylvaticum | Pythium Root Rot | 1 |
| Holly, Hybrid | Botryosphaeria | sp. | Botryosphaeria Canker | 1 |
| Holly, Hybrid | Chrysomyxa | ilicina | Rust | 1 |
| Holly, Hybrid | Colletotrichum | gloeosporioides | Anthracnose | 1 |
| Holly, Hybrid | Phytophthora | cinnamomi | Phytophthora Root Rot | 1 |
| Holly, Hybrid | Thielaviopsis | basicola | Black Root Rot | 2 |
| Holly, Japanese | Armillaria | sp. | Mushroom Root Rot | 1 |
| Holly, Japanese | Botryosphaeria | sp. | Botryosphaeria Dieback | 1 |
| Holly, Japanese | Criconemella | sp. | Nematodes, Ring | 2 |
| Holly, Japanese | Meloidogyne | sp. | Nematodes, Root Knot | 2 |
| Holly, Japanese | Pratylenchus | sp. | Nematodes, Lesion | 1 |
| Holly, Japanese | Rhizoctonia | solani | Web Blight | 2 |
| Holly, Japanese | Thielaviopsis | basicola | Black Root Rot | 24 |
| Holly, Japanese | Tylenchorhynchus | sp. | Nematodes, Stunt | 1 |
| Holly, Japanese | Xiphinema | sp. | Nematodes, Dagger | 1 |
| Honeywort | Cercospora | sp. | Cercospora Leaf Spot | 1 |
| Hosta | Aphelenchoides | sp. | Nematodes, Foliar | 1 |
| Hosta | Cercospora | sp. | Cercospora Leaf Spot | 1 |
| Hosta | Colletotrichum | gloeosporioides | Anthracnose | 1 |
| Hosta | Colletotrichum | sp. | Anthracnose | 1 |
| Hosta | Colletotrichum | sp. | Anthracnose Crown Rot | 1 |
| Hosta | Fusarium | sp. | Fusarium Root/Crown Rot | 1 |
| Hosta | Sclerotium | rolfsii | Southern Blight | 1 |
| Household | Meruliporia | incrassata | Wood Rot Fungus | 1 |
| Hydrangea | No Disease | 1 | ||
| Hydrangea | Powdery Mildew, Undetermined | 2 | ||
| Hydrangea | Cercospora | sp. | Cercospora Leaf Spot | 3 |
| Hydrangea | Colletotrichum | sp. | Anthracnose | 1 |
| Hydrangea | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| Hydrangea | Pythium | irregulare | Pythium Root Rot | 1 |
| Hydrangea, French | Fungal Leafspot, Undetermined | 1 | ||
| Hydrangea, Wild | Pythium | sp. | Pythium Root/Crown Rot | 1 |
| Hypericum | Melampsora | sp. | Leaf Rust | 1 |
| Impatiens | Alternaria | sp. | Alternaria Leaf Spot | 3 |
| Impatiens | Impatiens Necrotic Spot Virus | Impatiens Necrotic Spot | 3 | |
| Impatiens | Meloidogyne | incognita | Nematodes, Root Knot | 1 |
| Impatiens | Meloidogyne | sp. | Nematodes, Root Knot | 1 |
| Impatiens | Phyllosticta | sp. | Phyllosticta Leaf Spot | 1 |
| Impatiens | Pseudomonas | sp. | Pseudomonas Leaf Spot | 1 |
| Impatiens | Pythium | sp. | Pythium Root/Crown Rot | 1 |
| Impatiens, New Guinea | Impatiens Necrotic Spot Virus | Impatiens Necrotic Spot | 1 | |
| Impatiens, New Guinea | Myrothecium | sp. | Myrothecium Blight | 3 |
| Inkberry | Botryosphaeria Canker Suspected | 1 | ||
| Inkberry | Phytophthora | cinnamomi | Phytophthora Root Rot | 1 |
| Inkberry | Phytophthora | sp. | Phytophthora Root Rot | 2 |
| Iris | Colletotrichum | sp. | Anthracnose | 1 |
| Iris | Erwinia | sp. | Bacterial Soft Rot | 1 |
| Iris | Pythium | sp. | Pythium Root Rot | 1 |
| Iris | Tobacco Ringspot | virus | Tobacco Ringspot | 1 |
| Iris | Tomato Spotted Wilt | virus | Tomato Spotted Wilt | 1 |
| Irrigation Pond | Algae | 1 | ||
| Ivy, English | Colletotrichum | sp. | Anthracnose | 4 |
| Ivy, English | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| Ivy, English | Phytophthora | sp. | Phytophthora Root/Crown Rot | 1 |
| Ivy, English | Phytophthora | sp. | Phytophthora Root/Stem Rot | 1 |
| Ivy, English | Pythium | sp. | Pythium Pod Rot | 1 |
| Ivy, English | Rhizoctonia | solani | Rhizoctonia Root/Stem Rot | 3 |
| Ivy, English | Rhizoctonia | solani | Rhizoctonia Runner Rot | 1 |
| Ivy, English | Trichoderma | virens | Secondary Fungi | 1 |
| Jacob*s-ladder | Pythium | sp. | Pythium Root Rot | 1 |
| Japanese Umbrella Pine | Undetermined pathogen | Root Rot, Undetermined | 1 | |
| Jasmine, Carolina | Fungal Leafspot, Undetermined | 1 | ||
| Jasmine, Pinwheel | Bacterial Leaf Spot Suspected | 1 | ||
| Jerusalem Artichoke | Pythium | sp. | Pythium Root Rot | 1 |
| Jerusalem Artichoke | Sclerotium | rolfsii | Southern Stem Rot | 1 |
| Johnsongrass | Cercospora | sp. | Cercospora Leaf Spot | 1 |
| Juniper | Fungal Dieback, Undetermined | 1 | ||
| Juniper | Alternaria | sp. | Alternaria Blight | 1 |
| Juniper | Armillaria | sp. | Armillaria Root Rot | 2 |
| Juniper | Cercosporidium | sequoiae | Needle Blight | 1 |
| Juniper | Kabatina | juniperi | Kabatina Tip Blight | 1 |
| Juniper | Phomopsis | juniperovora | Phomopsis Twig Blight | 2 |
| Juniper | Phytophthora | sp. | Phytophthora Root Rot | 2 |
| Juniper | Pythium | sp. | Pythium Root Rot | 1 |
| Juniper | Pythium | sylvaticum | Pythium Root Rot | 1 |
| Juniper | Seiridium | unicorne | Cypress Canker | 1 |
| Kalanchoe | Nectria | sp. | Nectria Canker | 1 |
| Kalanchoe | Rhizoctonia | sp. | Rhizoctonia Root/Stem Rot | 1 |
| Kalanchoe | Rhizoctonia | sp. | Rhizoctonia Stem Rot | 1 |
| Kalanchoe | Thielaviopsis | basicola | Black Root Rot | 1 |
| Kalanchoe | Tomato Spotted Wilt | virus | Tomato Spotted Wilt | 1 |
| Kale, Ornamental | Erwinia | sp. | Bacterial Soft Rot | 1 |
| Kale, Ornamental | Pythium | sp. | Pythium Root Rot | 2 |
| Lantana | Pseudomonas | sp. | Pseudomonas Leaf Spot | 1 |
| Lawn | No Disease | 3 | ||
| Lawn | Drechslera | sp. | Helminthosporium Leaf Spot | 1 |
| Lawn | Rhizoctonia | solani | Brown Patch | 1 |
| Lawn | Rhizoctonia | solani | Large Patch | 1 |
| Lettuce | Botrytis | cinerea | Gray Mold | 1 |
| Lettuce | Rhizoctonia | solani | Bottom Rot | 1 |
| Lettuce | Septoria | lactucae | Septoria Leaf Spot | 1 |
| Leucothoe | Powdery Mildew, Undetermined | 1 | ||
| Leucothoe | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| Leucothoe | Pythium | sp. | Pythium Root Rot | 1 |
| Leyland Cypress | Seiridium | unicorne | Cypress Canker | 1 |
| Ligularia | Fungal Leafspot, Undetermined | 1 | ||
| Ligularia | Alternaria | sp. | Alternaria Leaf Spot | 1 |
| Ligustrum | Cercospora | sp. | Cercospora Leaf Spot | 1 |
| Lily | Alternaria | sp. | Alternaria Leaf Spot | 1 |
| Lily | Fusarium | sp. | Fusarium Basal Plate Rot | 1 |
| Lily | Pythium | sp. | Pythium Root Rot | 2 |
| Lily | Pythium | sp. | Pythium Root/Crown Rot | 1 |
| Lily | Rhizoctonia | sp. | Rhizoctonia Root/Stem Rot | 1 |
| Lily | Undetermined pathogen | Leaf Spot, Undetermined | 1 | |
| Lily, Pineapple | Pythium | myriotylum | Pythium Root Rot | 1 |
| Liriope | Colletotrichum | sp. | Anthracnose | 1 |
| Liriope | Pythium | sp. | Pythium Root/Crown Rot | 1 |
| Liriope | Rhizoctonia | solani | Rhizoctonia Blight | 1 |
| Little Bluestem | Balansia | sp. | Inflorescence Blight | 1 |
| Lobelia | Gloeosporium | sp. | Anthracnose | 1 |
| Lobelia | Impatiens Necrotic Spot Virus | Impatiens Necrotic Spot | 1 | |
| Loquat | Phomopsis | sp. | Phomopsis Dieback | 1 |
| Loropetalum | Agrobacterium | tumefaciens | Crown Gall | 1 |
| Lupine | Pythium | sp. | Pythium Root Rot | 1 |
| Macadamia | Pythium | sp. | Pythium Root Rot | 1 |
| Macadamia | Thielaviopsis | basicola | Black Root Rot | 1 |
| Magnolia | Cephalerous | sp. | Algal Leaf Spot | 1 |
| Magnolia, Southern | Colletotrichum | sp. | Anthracnose | 1 |
| Magnolia, Southern | Phomopsis | sp. | Phomopsis Dieback | 1 |
| Mandevilla | Gloeosporium | sp. | Anthracnose | 1 |
| Maple | Fungal Leafspot, Undetermined | 2 | ||
| Maple | Discula | sp. | Anthracnose | 2 |
| Maple | Phyllosticta | minima | Phyllosticta Leaf Spot | 1 |
| Maple | Undetermined pathogen | Leaf Spot, Undetermined | 1 | |
| Maple, Japanese | Fungal Dieback, Undetermined | 2 | ||
| Maple, Norway | Discula | sp. | Anthracnose | 1 |
| Maple, Norway | Phyllosticta | minima | Phyllosticta Leaf Spot | 1 |
| Maple, Red | Cytospora | sp. | Cytospora Canker | 1 |
| Maple, Red | Discula | sp. | Anthracnose | 1 |
| Maple, Red | Phyllosticta | minima | Phyllosticta Leaf Spot | 2 |
| Maple, Silver | Discula | sp. | Anthracnose | 1 |
| Maple, Silver | Phyllosticta | sp. | Phyllosticta Leaf Spot | 1 |
| Marigold | Pseudomonas | sp. | Pseudomonas Leaf Spot | 1 |
| Marigold | Rhizoctonia | solani | Rhizoctonia Root/Stem Rot | 1 |
| Marigold | Sclerotinia | sclerotiorum | Sclerotinia Stem Rot | 1 |
| Melon | Colletotrichum | orbiculare | Anthracnose | 1 |
| Melon | Meloidogyne | sp. | Nematodes, Root Knot | 1 |
| Melon | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| Melon | Pythium | sp. | Pythium Root Rot | 1 |
| Millet | No Disease | 1 | ||
| Millet | Fusarium | sp. | Fusarium Crown Rot | 1 |
| Million bells | Alternaria Leaf Spot Suspected | 1 | ||
| Million bells | Botrytis Blight Suspected | 1 | ||
| Million bells | Pythium | sp. | Pythium Root Rot | 1 |
| Mimosa | Fusarium | oxysporum (pernicosum) | Mimosa Wilt | 1 |
| Miscanthus | Bipolaris | sp. | Helminthosporium Leaf Spot | 1 |
| Miscanthus | Curvularia | sp. | Curvularia Leaf Spot | 1 |
| Miscanthus | Drechslera | sp. | Helminthosporium Leaf Spot | 1 |
| Miscanthus | Helminthosporium | sp. | Helminthosporium Leaf Spot | 1 |
| Miscanthus | Phytophthora | sp. | Phytophthora Root/Crown Rot | 1 |
| Miscanthus | Rhizoctonia | sp. | Rhizoctonia Stem Rot | 1 |
| Mondo Grass | Colletotrichum | sp. | Anthracnose | 1 |
| Montebretia | Pythium | sp. | Pythium Root Rot | 1 |
| Montebretia | Rhizoctonia | sp. | Rhizoctonia Root/Stem Rot | 1 |
| Mountain Mint | Bacterial Leaf Spot, Undetermined | 1 | ||
| Mountain Mint | Pythium | sp. | Pythium Root Rot | 1 |
| Muhly grass | Helminthosporium | sp. | Helminthosporium Leaf Spot | 1 |
| Mulch | Sphaerobolus | stellatus | Artillery Fungus | 1 |
| Multiple Hosts, Ornamental | Impatiens Necrotic Spot Virus | Impatiens Necrotic Spot | 1 | |
| Mustard | Cercospora | sp. | Cercospora Leaf Spot | 1 |
| Mustard | Cercosporella | brassicae | White Spot | 1 |
| Nandina | Pythium Root Rot Suspected | 1 | ||
| Nandina | Virus, Undetermined | 1 | ||
| Nandina | Cercospora | sp. | Cercospora Leaf Spot | 1 |
| Nandina | Colletotrichum | sp. | Anthracnose | 1 |
| Nandina | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| Nandina | Pythium | sp. | Pythium Root Rot | 2 |
| Native Rhododendron | Fungal Leafspot, Undetermined | 1 | ||
| Nemesia | Impatiens Necrotic Spot Virus | Impatiens Necrotic Spot | 1 | |
| Nephthytis | Fusarium | sp. | Fusarium Root/Crown Rot | 1 |
| Oak | Anthracnose, Undetermined | 1 | ||
| Oak | Slime Flux | 1 | ||
| Oak | Slime Flux Suspected | 1 | ||
| Oak | Armillaria | sp. | Mushroom Root Rot | 1 |
| Oak | Cronartium | quercuum | Eastern Gall Rust | 1 |
| Oak | Discula | quercina | Anthracnose | 1 |
| Oak | Inonotus | dryadeus | Wood Rot Fungus | 2 |
| Oak | Undetermined pathogen | Root Rot, Undetermined | 1 | |
| Oak | Xylella | fastidiosa | Bacterial Scorch | 1 |
| Oak, Pin | Anthracnose, Undetermined | 1 | ||
| Oak, Pin | Discula | quercina | Anthracnose | 2 |
| Oak, Pin | Tubakia | dryina | Tubakia Leaf Spot | 1 |
| Oak, Post | Discula | quercina | Anthracnose | 1 |
| Oak, Red | Botryosphaeria | dothidea | Botryosphaeria Canker | 1 |
| Oak, Red | Discula | sp. | Anthracnose | 1 |
| Oak, Water | Undetermined pathogen | Root Rot, Undetermined | 1 | |
| Oak, White | Slime Flux Suspected | 1 | ||
| Oak, White | Armillaria | sp. | Armillaria Root Rot | 1 |
| Oak, White | Discula | quercina | Anthracnose | 3 |
| Oak, White | Taphrina | caerulescens | Leaf Blister | 1 |
| Oak, Willow | Discula | quercina | Anthracnose | 1 |
| Oak, Willow | Ganoderma | lucidum | Wood Rot Fungus | 1 |
| Oak, Willow | Taphrina | caerulescens | Leaf Blister | 1 |
| Oak, Willow | Tubakia | dryina | Tubakia Leaf Spot | 2 |
| Oats | Barley Yellow Dwarf | virus | Barley Yellow Dwarf | 2 |
| Oats | Barley Yellow Dwarf | virus | Oat Red Leaf | 1 |
| Okra | Fusarium | sp. | Fusarium Root Rot | 1 |
| Okra | Helicotylenchus | sp. | Nematodes, Spiral | 1 |
| Okra | Meloidogyne | sp. | Nematodes, Root Knot | 2 |
| Okra | Rhizoctonia | solani | Rhizoctonia Root/Stem Rot | 1 |
| Okra | Tylenchorhynchus | sp. | Nematodes, Stunt | 1 |
| Orchardgrass | No Disease | 1 | ||
| Orchid, Moth | Botrytis | sp. | Botrytis Leaf Spot | 1 |
| Ornamental, General | Fungal Dieback, Undetermined | 1 | ||
| Ornamental, General | Pythium | irregulare | Pythium Root Rot | 1 |
| Ornamental, General | Rhizoctonia | solani | Rhizoctonia Crown And Stem Rot | 1 |
| Ornamental, General | Thielaviopsis | basicola | Black Root Rot | 1 |
| Ornamental, Woody | Blumeriella | jaapii | Coccomyces Leaf Spot | 1 |
| Ornamental, Woody | Cercospora | sp. | Cercospora Leaf Spot | 1 |
| Osmanthus | Fungal Leafspot, Undetermined | 1 | ||
| Osmanthus | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| Osteospermum | Fusarium | sp. | Fusarium Crown Rot | 1 |
| Pachysandra | Volutella | pachysandrae | Volutella Blight | 1 |
| Palm, Cabbage | Fungal Leafspot, Undetermined | 1 | ||
| Pampas Grass | Drechslera | sp. | Helminthosporium Leaf Spot | 1 |
| Pampas Grass | Pyricularia | sp. | Pyricularia Leaf Spot | 1 |
| Pansy | Fungal Leafspot, Undetermined | 2 | ||
| Pansy | Cercospora | sp. | Cercospora Leaf Spot | 2 |
| Pansy | Colletotrichum | sp. | Anthracnose | 1 |
| Pansy | Erysiphe | sp. | Powdery Mildew | 1 |
| Pansy | Fusarium | sambucinum | Fusarium Root/Crown Rot | 1 |
| Pansy | Fusarium | sp. | Fusarium Stem Rot | 1 |
| Pansy | Myrothecium | sp. | Myrothecium Blight | 2 |
| Pansy | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| Pansy | Phytophthora | sp. | Phytophthora Root/Crown Rot | 1 |
| Pansy | Pythium | sp. | Pythium Root Rot | 3 |
| Pansy | Pythium | sp. | Pythium Root/Crown Rot | 1 |
| Pansy | Rhizoctonia | solani | Rhizoctonia Stem Rot | 1 |
| Pansy | Septoria | sp. | Septoria Leaf Spot | 1 |
| Pansy | Thielaviopsis | basicola | Black Root Rot | 21 |
| Paspalum | Curvularia | sp. | Curvularia Leaf Spot | 1 |
| Paspalum | Pythium | sp. | Pythium Root Rot | 1 |
| Pea | Meloidogyne | sp. | Nematodes, Root Knot | 1 |
| Pea | Pythium | sp. | Pythium Root Rot | 2 |
| Pea | Rhizoctonia | sp. | Rhizoctonia Root Rot | 1 |
| Peach | Bacterial Leaf Spot Suspected | 1 | ||
| Peach | Sooty Mold | 1 | ||
| Peach | Cladosporium | carpophilum | Scab | 1 |
| Peach | Criconemella | sp. | Nematodes, Ring | 1 |
| Peach | Meloidogyne | incognita | Nematodes, Root Knot | 2 |
| Peach | Monilinia | fructicola | Brown Rot | 3 |
| Peach | Sphaerotheca | pannosa | Powdery Mildew | 1 |
| Peanut | Tomato Spotted Wilt Suspected | 2 | ||
| Peanut | Cercospora | personatum | Late Leaf Spot | 3 |
| Peanut | Colletotrichum | sp. | Anthracnose | 1 |
| Peanut | Cylindrocladium | parasiticum | Cylindrocladium Black Rot | 4 |
| Peanut | Fusarium | sp. | Fusarium Pod Rot | 1 |
| Peanut | Pythium | sp. | Pythium Root Rot | 1 |
| Peanut | Rhizoctonia | solani | Rhizoctonia Crown And Stem Rot | 1 |
| Pear | Entomosporium | sp. | Entomosporium Leaf Spot | 1 |
| Pear, Ornamental | Entomosporium | sp. | Entomosporium Leaf Spot | 3 |
| Pear, Ornamental | Gymnosporangium | sp. | Rust | 2 |
| Pecan | Fungal Canker, Undetermined | 1 | ||
| Pentas | Fungal Leafspot, Undetermined | 1 | ||
| Peony | Fusarium | sp. | Fusarium Root/Crown Rot | 1 |
| Peony | Thielaviopsis | basicola | Black Root Rot | 1 |
| Pepper | Bacterial Leaf Spot Suspected | 1 | ||
| Pepper | Virus, Undetermined | 1 | ||
| Pepper | Colletotrichum | sp. | Anthracnose | 1 |
| Pepper | Cucumber Mosaic | virus | Cucumber Mosaic Virus | 1 |
| Pepper | Erwinia | carotovora | Bacterial Soft Rot | 1 |
| Pepper | Erwinia | sp. | Bacterial Soft Rot | 2 |
| Pepper | Phytophthora | capsici | Phytophthora Root/Crown Rot | 2 |
| Pepper | Phytophthora | sp. | Phytophthora Root/Stem Rot | 1 |
| Pepper | Phytophtora | capsici | Phytophthora Crown Rot | 1 |
| Pepper | Pseudomonas | sp. | Bacterial Leaf Spot | 1 |
| Pepper | Pythium | aphanidermatum | Pythium Root Rot | 1 |
| Pepper | Pythium | sp. | Pythium Damping-off | 1 |
| Pepper | Pythium | sp. | Pythium Root Rot | 4 |
| Pepper | Pythium | sp. | Pythium Root/Stem Rot | 1 |
| Pepper | Ralstonia | solanacearum | Southern Bacterial Wilt | 2 |
| Pepper | Rhizoctonia | solani | Rhizoctonia Crown And Stem Rot | 1 |
| Pepper | Sclerotium | rolfsii | Southern Blight | 1 |
| Pepper | Sclerotium | rolfsii | Southern Stem Rot | 1 |
| Pepper | Tomato Spotted Wilt | virus | Tomato Spotted Wilt | 3 |
| Pepper | Xanthomonas | campestris (camp) | Bacterial Leaf Spot | 3 |
| Pepper | Xanthomonas | campestris (vesicatoria) | Bacterial Spot | 8 |
| Periwinkle, Common | Fungal Dieback, Undetermined | 1 | ||
| Periwinkle, Common | Rhizoctonia | solani | Rhizoctonia Blight | 1 |
| Periwinkle, Madagascar | Phytophthora | nicotianae [=parasitica] | Phytophthora Blight | 1 |
| Periwinkle, Madagascar | Phytophthora | nicotianae [=parasitica] | Phytophthora Dieback | 1 |
| Periwinkle, Madagascar | Rhizoctonia | solani | Rhizoctonia Root/Stem Rot | 2 |
| Periwinkle, Madagascar | Rhizoctonia | solani | Web Blight | 1 |
| Petunia | Phytophthora | nicotianae [=parasitica] | Phytophthora Root/Crown Rot | 1 |
| Petunia | Phytophthora | nicotianae [=parasitica] | Phytophthora Root/Stem Rot | 1 |
| Petunia | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| Petunia | Phytophthora | sp. | Phytophthora Root/Crown Rot | 1 |
| Petunia | Pythium | sp. | Pythium Root/Crown Rot | 1 |
| Petunia | Rhizoctonia | solani | Rhizoctonia Crown And Stem Rot | 3 |
| Petunia | Rhizoctonia | solani | Rhizoctonia Crown Rot | 1 |
| Petunia | Rhizoctonia | solani | Rhizoctonia Root/Stem Rot | 1 |
| Petunia | Rhizoctonia | sp. | Rhizoctonia Root/Stem Rot | 1 |
| Petunia | Thielaviopsis | basicola | Black Root Rot | 1 |
| Phlox | Fungal Dieback, Undetermined | 1 | ||
| Phlox | Fusarium | sp. | Fusarium Blight | 1 |
| Phlox | Fusarium | sp. | Fusarium Crown Rot | 1 |
| Phlox | Potyvirus, Undetermined | Potyvirus, Undetermined | 1 | |
| Photinia, Chinese | Powdery Mildew, Undetermined | 1 | ||
| Pieris | Phomopsis Dieback Suspected | 1 | ||
| Pieris | Colletotrichum | sp. | Anthracnose | 1 |
| Pieris | Phytophthora | cinnamomi | Phytophthora Root Rot | 1 |
| Pimpinella | Rhizoctonia | solani | Rhizoctonia Petiole Rot | 1 |
| Pincushion Flower | Fungal Leafspot, Undetermined | 1 | ||
| Pincushion Flower | Rhizoctonia | solani | Rhizoctonia Petiole Rot | 1 |
| Pine, Austrian | Bursaphelenchus | xylophilus | Nematodes, Pine Wood | 1 |
| Pine, Austrian | Pythium | sylvaticum | Pythium Root Rot | 1 |
| Pine, Japanese Black | Bursaphelenchus | xylophilus | Nematodes, Pine Wood | 1 |
| Pine, Loblolly | Coleosporium | sp. | Needle Rust | 1 |
| Pine, Virginia | Fusarium | circinatum | Pitch Canker | 1 |
| Pine, White | Phytophthora | cinnamomi | Phytophthora Root Rot | 1 |
| Pine, White | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| Pitcher Plant | Colletotrichum | sp. | Anthracnose | 1 |
| Pitcher Plant | Cylindrocladium | colhounii | Cylindrocladium Blight | 2 |
| Pitcher Plant | Pythium | sp. | Pythium Root/Stem Rot | 1 |
| Pittosporum | Botryosphaeria Dieback Suspected | 1 | ||
| Pittosporum | Botryosphaeria | sp. | Botryosphaeria Canker | 1 |
| Pittosporum, Japanese | Fungal Canker, Undetermined | 1 | ||
| Pittosporum, Japanese | Alternaria | sp. | Alternaria Leaf Spot | 1 |
| Pittosporum, Japanese | Cercospora | sp. | Cercospora Leaf Spot | 1 |
| Pittosporum, Japanese | Phytophthora | cinnamomi | Phytophthora Root Rot | 1 |
| Plum | Undetermined pathogen | Root Rot, Undetermined | 1 | |
| Plum, Ornamental | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| Podocarpus | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| Poinsettia | Botrytis | cinerea | Botrytis Stem Rot | 1 |
| Poinsettia | Fusarium | sp. | Fusarium Stem Rot | 1 |
| Poinsettia | Pythium | sp. | Pythium Root Rot | 1 |
| Poinsettia | Pythium | sp. | Pythium Root/Stem Rot | 1 |
| Poinsettia | Rhizoctonia | solani | Rhizoctonia Root/Stem Rot | 1 |
| Poinsettia | Sphaceloma | sp. | Scab | 1 |
| Poplar, Yellow | Cytosporella | sp. | Cytosporella Canker | 1 |
| Potato | Phytophthora | infestans | Late Blight | 1 |
| Potato | Streptomyces | scabies | Scab | 2 |
| Potato | Streptomyces | sp. | Scab | 1 |
| Potato | Tomato Spotted Wilt | virus | Tomato Spotted Wilt | 1 |
| Prairie Dropseed | No Disease | 1 | ||
| Prairie Dropseed | Curvularia | sp. | Curvularia Leaf Spot | 1 |
| Primrose | Cercospora | sp. | Cercospora Leaf Spot | 1 |
| Primrose | Ramularia | sp. | Ramularia Leaf Spot | 1 |
| Privet | Cercospora | sp. | Cercospora Leaf Spot | 1 |
| Privet, Japanese | Fungal Leafspot, Undetermined | 1 | ||
| Privet, Japanese | Armillaria | sp. | Mushroom Root Rot | 1 |
| Pumpkin | Mosaic Virus, Undetermined | 1 | ||
| Pumpkin | Oidium | sp. | Powdery Mildew | 1 |
| Pumpkin | Pseudoperonospora | cubensis | Downy Mildew | 2 |
| Purple Coneflower | Pythium | sp. | Pythium Root Rot | 1 |
| Purslane | Fusarium | sp. | Fusarium Stem Rot | 1 |
| Purslane | Pythium | sp. | Pythium Root Rot | 1 |
| Pyracantha | Fungal Leafspot, Undetermined | 1 | ||
| Pyracantha | Phytophthora | palmivora | Phytophthora Root Rot | 1 |
| Ranunculus | Impatiens Necrotic Spot Virus | Impatiens Necrotic Spot | 1 | |
| Redbud | Passalora | cercidicola | Cercospora Leaf Spot | 1 |
| Redcedar, Eastern | Rust, Undetermined | 1 | ||
| Redcedar, Eastern | Gymnosporangium | sp. | Rust | 1 |
| Redcedar, Eastern | Phytophthora | cinnamomi | Phytophthora Root Rot | 1 |
| Redcedar, Eastern | Pythium | sylvaticum | Pythium Root Rot | 2 |
| Rhododendron | Fungal Leafspot, Undetermined | 2 | ||
| Rhododendron | Powdery Mildew, Undetermined | 1 | ||
| Rhododendron | Agrobacterium | tumefaciens | Crown Gall | 1 |
| Rhododendron | Botryosphaeria | dothidea | Botryosphaeria Dieback | 1 |
| Rhododendron | Botryosphaeria | sp. | Botryosphaeria Dieback | 2 |
| Rhododendron | Guignardia | philoprina | Guignardia Leaf Spot | 1 |
| Rhododendron | Phomopsis | sp. | Phomopsis Dieback | 1 |
| Rhododendron | Phytophthora | cinnamomi | Phytophthora Root Rot | 3 |
| Rhododendron | Phytophthora | sp. | Phytophthora Leaf Spot | 1 |
| Rhododendron | Sphaerobolus | stellatus | Artillery Fungus | 1 |
| Rhododendron | Tylenchorhynchus | sp. | Nematodes, Stunt | 1 |
| Rhododendron | Undetermined pathogen | Root Rot, Undetermined | 1 | |
| Rose | Downy Mildew, Undetermined | 1 | ||
| Rose | Fungal Dieback, Undetermined | 1 | ||
| Rose | Powdery Mildew, Undetermined | 1 | ||
| Rose | Armillaria | sp. | Mushroom Root Rot | 2 |
| Rose | Diplocarpon | rosae | Black Spot | 2 |
| Rose | Marssonina | rosae | Black Spot | 1 |
| Rose | Peronospora | sparsa | Downy Mildew | 3 |
| Rose | Pythium | sp. | Pythium Root Rot | 3 |
| Rose | Pythium | sp. | Pythium Root/Crown Rot | 1 |
| Rose | Rhizoctonia | solani | Rhizoctonia Blight | 1 |
| Rosemary | Pseudomonas Leaf Spot Suspected | 1 | ||
| Rosemary | Colletotrichum | sp. | Anthracnose | 1 |
| Ruschia | Fusarium | sp. | Fusarium Stem Rot | 1 |
| Ruschia | Pythium | sp. | Pythium Root Rot | 1 |
| Rutabaga | Plasmodiophora | brassicae | Club Root | 1 |
| Ryegrass, Annual | Rhizoctonia | sp. | Damping-off | 1 |
| Sage | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| Sage | Pythium | sp. | Pythium Root Rot | 1 |
| Salvia | Bacterial Leaf Spot, Undetermined | 1 | ||
| Salvia | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| Salvia | Pythium | sp. | Pythium Root Rot | 1 |
| Salvia | Pythium | sp. | Pythium Root/Crown Rot | 1 |
| Sedge | Gaeumannomyces | sp. | Take-all | 1 |
| Sedge | Pythium | sp. | Pythium Root/Crown Rot | 1 |
| Sedge | Rhizoctonia | sp. | Rhizoctonia Root/Stem Rot | 1 |
| Sedum | Bacterial Soft Rot, Suspected | 1 | ||
| Sedum | Alternaria | sp. | Alternaria Leaf Spot | 1 |
| Sedum | Fusarium | sp. | Fusarium Leaf Spot | 1 |
| Sedum | Septoria | sp. | Septoria Leaf Spot | 1 |
| Shrimp Plant | Pseudomonas | sp. | Pseudomonas Leaf Spot | 1 |
| Snake Palm | Sclerotium | rolfsii | Southern Stem Rot | 1 |
| Snapdragon | Phytophthora Root Rot Suspected | 1 | ||
| Snapdragon | Colletotrichum | sp. | Anthracnose | 1 |
| Snapdragon | Phytophthora | nicotianae [=parasitica] | Phytophthora Root Rot | 1 |
| Snapdragon | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| Snapdragon | Pythium | sp. | Pythium Root Rot | 1 |
| Sorghum | Gloeocercospora | sorghi | Zonate Leaf Spot | 1 |
| Soybean | Cercospora | sojina | Frogeye Leaf Spot | 2 |
| Soybean | Colletotrichum | sp. | Anthracnose | 2 |
| Soybean | Corynespora | cassiicola | Target Spot | 3 |
| Soybean | Macrophomina | phaseolina | Charcoal Rot | 2 |
| Soybean | Phytophthora | sojae | Phytophthora Root/Stem Rot | 1 |
| Soybean | Pythium | sp. | Pythium Damping-off | 1 |
| Soybean | Rhizoctonia | solani | Rhizoctonia Damping-off | 1 |
| Spanish-bayonet | Fungal Leafspot, Undetermined | 1 | ||
| Spirea | Pythium | sp. | Pythium Root/Crown Rot | 1 |
| Spleenwort, Hybrid | Bacterial Leaf Spot, Undetermined | 1 | ||
| Spruce | Pythium | sylvaticum | Pythium Root Rot | 1 |
| Spruce | Rhizosphaera | kalkhoffii | Rhizosphaera Needle Cast | 3 |
| Spruce | Stigmina | lautii | Stigmina Needle Blight | 1 |
| Spruce, Blue | Rhizosphaera | kalkhoffii | Rhizosphaera Needle Cast | 2 |
| Spruce, Blue | Stigmina | lautii | Stigmina Needle Blight | 1 |
| Spruce, Norway | Rhizosphaera | kalkhoffii | Rhizosphaera Needle Cast | 2 |
| Squash | Powdery Mildew, Undetermined | 1 | ||
| Squash | Virus, Undetermined | 2 | ||
| Squash | Alternaria | cucumerina | Alternaria Leaf Spot | 1 |
| Squash | Cercospora | citrullina | Cercospora Leaf Spot | 1 |
| Squash | Cucumber Mosaic | virus | Cucumber Mosaic Virus | 1 |
| Squash | Fusarium | oxysporum (melonis) | Fusarium Wilt | 1 |
| Squash | Fusarium | solani (cucurbitae) | Fusarium Crown/Foot Rot | 2 |
| Squash | Meloidogyne | sp. | Nematodes, Root Knot | 1 |
| Squash | Microdochium | tabacinum | Microdochium Blight | 2 |
| Squash | Oidium | sp. | Powdery Mildew | 1 |
| Squash | Papaya Ringspot | virus | Papaya Ringspot | 1 |
| Squash | Phytophthora | sp. | Phytophthora Crown Rot | 1 |
| Squash | Phytophthora | sp. | Phytophthora Fruit Rot | 1 |
| Squash | Phytophthora | sp. | Phytophthora Root/Crown Rot | 2 |
| Squash | Phytophthora | sp. | Phytophthora Root/Stem Rot | 3 |
| Squash | Phytophthora | sp. | Phytophthora Stem Rot | 1 |
| Squash | Podosphaera | sp. | Powdery Mildew | 2 |
| Squash | Pseudoperonospora | cubensis | Downy Mildew | 2 |
| Squash | Pythium | sp. | Pythium Root Rot | 1 |
| Srobilanthes | Phytophthora | sp. | Phytophthora Root/Crown Rot | 1 |
| St. Augustinegrass | No Disease | 5 | ||
| St. Augustinegrass | Pyricularia | grisea | Gray Leaf Spot | 5 |
| St. Augustinegrass | Rhizoctonia | solani | Large Patch | 20 |
| St. Augustinegrass | Various Fungi | Fairy Ring | 1 | |
| Stokes Aster | Rhizoctonia | solani | Rhizoctonia Crown And Stem Rot | 1 |
| Strawberry | Alternaria | sp. | Alternaria Fruit Rot | 1 |
| Strawberry | Botrytis | cinerea | Botrytis Blight | 3 |
| Strawberry | Botrytis | cinerea | Botrytis Crown Rot | 2 |
| Strawberry | Botrytis | cinerea | Botrytis Dieback | 2 |
| Strawberry | Botrytis | cinerea | Gray Mold | 2 |
| Strawberry | Botrytis | sp. | Botrytis Fruit Rot | 1 |
| Strawberry | Colletotrichum | acutatum | Anthracnose | 5 |
| Strawberry | Colletotrichum | acutatum | Anthracnose Fruit Rot | 2 |
| Strawberry | Colletotrichum | gloeosporioides | Anthracnose | 3 |
| Strawberry | Colletotrichum | sp. | Anthracnose | 3 |
| Strawberry | Gnomonia | comari | Stem-end Rot | 1 |
| Strawberry | Gnomonia | sp. | Leaf Blotch | 4 |
| Strawberry | Mycosphaerella | fragariae | Common Leaf Spot | 2 |
| Strawberry | Phomopsis | obscurans | Phomopsis Leaf Blight | 1 |
| Strawberry | Phomopsis | sp. | Phomopsis Fruit Rot | 1 |
| Strawberry | Phomopsis | sp. | Phomopsis Leaf Blight | 5 |
| Strawberry | Phytophthora | cactorum | Phytophthora Crown Rot | 23 |
| Strawberry | Phytophthora | sp. | Phytophthora Crown Rot | 3 |
| Strawberry | Phytoplasma | Multiplier Disease | 2 | |
| Strawberry | Pythium | irregulare | Pythium Root Rot Suspected | 1 |
| Strawberry | Pythium | sp. | Pythium Root Rot | 2 |
| Strawberry | Pythium | sp. | Pythium Root/Crown Rot | 2 |
| Strawberry | Pythium | vexans | Pythium Root Rot | 1 |
| Strawberry | Sphaerotheca | macularis | Powdery Mildew | 3 |
| Strawberry | Xanthomonas | fragariae | Angular Leaf Spot | 13 |
| Strawflower | Downy Mildew, Undetermined | 1 | ||
| Sunflower | Fungal Leafspot, Undetermined | 1 | ||
| Sweet Bay | Colletotrichum | gloeosporioides | Anthracnose | 1 |
| Sweetpotato | Fusarium | sp. | Fusarium Surface Rot | 1 |
| Sweetpotato | Meloidogyne | incognita | Nematodes, Root Knot | 1 |
| Sweetpotato | Meloidogyne | sp. | Nematodes, Root Knot | 2 |
| Sweetspire, Virginia | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| Sycamore | Apiognomonia | veneta | Anthracnose | 2 |
| Thyme | Rhizoctonia | solani | Rhizoctonia Root/Stem Rot | 1 |
| Tobacco | Frenching | 1 | ||
| Tobacco | No Disease | 2 | ||
| Tobacco | Alternaria | alternata | Brown Spot | 3 |
| Tobacco | Botrytis | sp. | Botrytis Blight | 1 |
| Tobacco | Erwinia | carotovora | Bacterial Soft Rot | 1 |
| Tobacco | Erwinia | sp. | Bacterial Soft Rot | 1 |
| Tobacco | Erwinia | sp. | Hollow Stalk | 1 |
| Tobacco | Meloidogyne | incognita | Nematodes, Root Knot | 1 |
| Tobacco | Peronospora | tabacina | Blue Mold | 1 |
| Tobacco | Physiological | problem | Ghost Spot | 1 |
| Tobacco | Phytophthora | nicotianae [=parasitica] | Black Shank | 14 |
| Tobacco | Pythium | sp. | Pythium Root Rot | 3 |
| Tobacco | Pythium | sp. | Pythium Root/Stem Rot | 2 |
| Tobacco | Pythium | sp. | Pythium Stem Rot | 5 |
| Tobacco | Ralstonia | solanacearum | Granville Wilt | 21 |
| Tobacco | Ralstonia | solanacearum | Granville Wilt Suspected | 1 |
| Tobacco | Rhizoctonia | solani | Rhizoctonia Damping-off | 1 |
| Tobacco | Rhizoctonia | solani | Sore Shin | 10 |
| Tobacco | Rhizoctonia | solani | Target Spot | 5 |
| Tobacco | Rhizoctonia | sp. | Damping-off | 1 |
| Tobacco | Sclerotium | rolfsii | Southern Blight | 1 |
| Tobacco | Septoria | lycopersici | Septoria Leaf Spot | 1 |
| Tobacco | Tobacco Mosaic Virus | Tobacco Mosaic | 1 | |
| Tobacco | Tobacco Ringspot | virus | Tobacco Ringspot | 1 |
| Tobacco | Tomato Spotted Wilt | virus | Tomato Spotted Wilt | 9 |
| Tomato | Powdery Mildew, Undetermined | 1 | ||
| Tomato | Tomato Spotted Wilt Suspected | 1 | ||
| Tomato | Alternaria | solani | Early Blight | 2 |
| Tomato | Clavibacter | michiganensis subsp mich. | Bacterial Canker | 3 |
| Tomato | Cucumber Mosaic | virus | Cucumber Mosaic Virus | 1 |
| Tomato | Fulvia | fulva | Leaf Mold | 3 |
| Tomato | Fusarium | oxysporum (lycopersici) | Fusarium Wilt | 1 |
| Tomato | Pseudomonas | corrugata | Pith Necrosis | 8 |
| Tomato | Pseudomonas | syringae /tomato | Bacterial Speck | 3 |
| Tomato | Pythium | irregulare | Pythium Root Rot | 1 |
| Tomato | Pythium | myriotylum | Pythium Root Rot | 1 |
| Tomato | Pythium | sp. | Pythium Damping-off | 1 |
| Tomato | Pythium | sp. | Pythium Root Rot | 2 |
| Tomato | Pythium | sp. | Pythium Root/Stem Rot | 2 |
| Tomato | Ralstonia | solanacearum | Southern Bacterial Wilt | 22 |
| Tomato | Ralstonia | solanacearum | Southern Bacterial Wilt Suspected | 1 |
| Tomato | Sclerotinia | sp. | White Mold | 1 |
| Tomato | Sclerotium | rolfsii | Southern Blight | 2 |
| Tomato | Septoria | lycopersici | Septoria Leaf Spot | 5 |
| Tomato | Septoria | sp. | Septoria Leaf Spot | 1 |
| Tomato | Tobacco Mosaic Virus | Tobacco Mosaic | 1 | |
| Tomato | Tobacco Ringspot | virus | Tobacco Ringspot | 2 |
| Tomato | Tomato Spotted Wilt | virus | Tomato Spotted Wilt | 10 |
| Tomato | Xanthomonas | campestris (camp) | Black Rot | 1 |
| Tomato | Xanthomonas | campestris (vesicatoria) | Bacterial Spot | 2 |
| Tree Mallow | Pythium | sp. | Pythium Root/Stem Rot | 1 |
| Tulip | Penicillium | sp. | Penicillium Bulb Rot | 1 |
| Tulip | Pythium | sp. | Pythium Root Rot | 2 |
| Turf | Nematode Injury Suspected | 1 | ||
| Turf | No Disease | 1 | ||
| Turf | Helminthosporium | sp. | Helminthosporium Leaf Spot | 1 |
| Turf | Leptosphaeria | sp. | Leptosphaeria Leaf Spot | 1 |
| Turf | Microdochium | nivale | Pink Snow Mold | 1 |
| Turf | Undetermined pathogen | Unknown | 1 | |
| Turnip | Cercospora | brassicicola | Cercospora Leaf Spot | 1 |
| Turnip | Cercosporella | brassicae | White Spot | 1 |
| Turnip | Colletotrichum | gloeosporioides | Anthracnose | 1 |
| Turnip | Pseudocercosporella | capsellae | White Spot | 1 |
| Turnip | Pythium | sp. | Pythium Damping-off | 1 |
| Turnip | Rhizoctonia | solani | Rhizoctonia Root Rot | 1 |
| Turnip | Rhizoctonia | solani | Rhizoctonia Root/Stem Rot | 1 |
| Turnip | Rhizoctonia | sp. | Damping-off | 1 |
| Unknown | Monilinia | fructicola | Brown Rot | 1 |
| Vegetable, General | Botrytis | sp. | Botrytis Blight | 1 |
| Vegetable, General | Cucumber Mosaic | virus | Cucumber Mosaic Virus | 1 |
| Vegetable, General | Xanthomonas | campestris (camp) | Black Rot | 1 |
| Verbena | Bacterial Leaf Spot, Undetermined | 1 | ||
| Verbena | Alternaria | sp. | Alternaria Leaf Spot | 1 |
| Verbena | Pseudomonas | sp. | Pseudomonas Leaf Spot | 1 |
| Verbena | Rhizoctonia | sp. | Rhizoctonia Leaf Spot | 1 |
| Viburnum | Downy Mildew, Undetermined | 1 | ||
| Viburnum | Fusarium | sp. | Fusarium Root/Crown Rot | 1 |
| Viburnum | Phomopsis | sp. | Phomopsis Leaf Blight | 1 |
| Viburnum | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| Viburnum, Chinese | Pseudomonas | sp. | Pseudomonas Leaf Spot | 1 |
| Viburnum, David | Botryosphaeria | sp. | Botryosphaeria Dieback | 2 |
| Walnut, English | Cristulariella | moricola | Cristulariella Leaf Spot | 1 |
| Water-hyssop | Phytophthora | sp. | Phytophthora Root Rot | 1 |
| Water-hyssop | Pythium | sp. | Pythium Root/Stem Rot | 1 |
| Watermelon | Acidovorax | avenae (citrulli) | Bacterial Fruit Blotch | 1 |
| Watermelon | Alternaria | cucumerina | Alternaria Leaf Spot | 1 |
| Watermelon | Colletotrichum | orbiculare | Anthracnose | 3 |
| Watermelon | Didymella | bryoniae | Gummy Stem Blight | 3 |
| Watermelon | Phoma | cucurbitacearum | Gummy Stem Blight | 2 |
| Watermelon | Phomopsis | sp. | Phomopsis Fruit Rot | 1 |
| Watermelon | Podosphaera | sp. | Powdery Mildew | 2 |
| Watermelon | Pseudoperonospora | cubensis | Downy Mildew | 2 |
| Watermelon | Pythium | sp. | Pythium Root Rot | 2 |
| Wax Myrtle | Fusarium | sp. | Fusarium Wilt | 1 |
| Wax Myrtle | Phytophthora | cinnamomi | Phytophthora Root Rot | 1 |
| Wax Myrtle | Septoria | myricae | Septoria Leaf Spot | 1 |
| Wax Myrtle | Xiphinema | sp. | Nematodes, Dagger | 1 |
| Wax Plant | Fungal Leafspot, Undetermined | 1 | ||
| Wheat | Barley Yellow Dwarf Suspected | 1 | ||
| Wheat | No Disease | 1 | ||
| Wheat | Barley Yellow Dwarf | virus | Barley Yellow Dwarf | 4 |
| Wheat | Bipolaris | sp. | Bipolaris Leaf Spot | 1 |
| Wheat | Bipolaris | sp. | Helminthosporium Leaf Spot | 1 |
| Wheat | Colletotrichum | graminicola | Anthracnose | 1 |
| Wheat | Drechslera | tritici-repentis | Tan Spot | 2 |
| Wheat | Fusarium | sp. | Fusarium Root/Crown Rot | 1 |
| Wheat | Fusarium | sp. | Fusarium Root/Stem Rot | 1 |
| Wheat | Gaeumannomyces | graminis | Take-all | 1 |
| Wheat | Puccinia | recondita (f.sp. tritici) | Leaf Rust | 1 |
| Wheat | Pythium | sp. | Pythium Root Rot | 3 |
| Wheat | Rhizoctonia | solani | Rhizoctonia Root/Stem Rot | 1 |
| Wheat | Rhizoctonia | sp. | Rhizoctonia Root/Stem Rot | 1 |
| Wheat | Septoria | nodorum | Glume Blotch | 2 |
| Wheat | Septoria | nodorum | Septoria Leaf Spot | 9 |
| Wheat | Wheat Spindle Streak Mosaic | virus | Wheat Spindle Streak Mosaic | 1 |
| Whitecedar, Atlantic | Phomopsis | sp. | Phomopsis Dieback | 1 |
| Wild Ginger | Thielaviopsis | basicola | Black Root Rot | 1 |
| Willow | Cercospora | sp. | Cercospora Leaf Spot | 1 |
| Willow | Valsa | sp. | Valsa canker | 1 |
| Wood | Meruliporia | incrassata | Wood Rot Fungus | 1 |
| Yaupon | Algae | 1 | ||
| Yew | Phytophthora | sp. | Phytophthora Root Rot | 2 |
| Yucca | Pythium | sp. | Pythium Root Rot | 1 |
| Zelkova | Pseudocercospora | zelkowae | Leaf Spot | 1 |
| Zinnia | Fungal Leafspot, Undetermined | 1 | ||
| Zinnia | Fusarium | sp. | Fusarium Root/Stem Rot | 1 |
| Zinnia | Xanthomonas | campestris | Bacterial Leaf Spot | 1 |
| Zinnia | Xanthomonas | campestris (zinniae) | Bacterial Leaf Spot | 1 |
| Zoysiagrass | Nematode Injury Suspected | 2 | ||
| Zoysiagrass | No Disease | 8 | ||
| Zoysiagrass | Belonolaimus | sp. | Nematodes, Sting | 1 |
| Zoysiagrass | Bipolaris | sp. | Helminthosporium Leaf Spot | 1 |
| Zoysiagrass | Curvularia | sp. | Curvularia Leaf Spot | 1 |
| Zoysiagrass | Rhizoctonia | solani | Large Patch | 3 |
| Zoysiagrass | Sclerotinia | homoeocarpa | Dollar Spot | 1 |
| Zucchini | Phytophthora | sp. | Phytophthora Fruit Rot | 1 |