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Image Host Common Name Host Scientific Name Diagnosis Common Name
11-0821a English boxwood Buxus sempervirens Volutella canker
11-0850 verbena Verbena sp. leafy gall
11-0851 pear Pyrus communis Pacific coast pear rust
11-0861 dahlia Dahlia sp. Tomato spotted wilt virus
11-0909a scarlet oak Quercus coccinea cramp ball fungus, hypoxylon canker
11-0914 tomato Lycopersicon esculentum abiotic herbicide injury (contaminated compost)
11-0953a pentstemon Pentstemon sp. bacterial gall
11-0968 elm Ulmus sp. Dutch elm disease
11-0983 cherry laurel Prunus laurocerasus powdery mildew
11-1010a apple Malus domestica 'Granny Smith' nectria twig blight (coral spot)
11-1010c apple Malus domestica 'Granny Smith' Botryosphaeria canker
11-1023b blanket flower Gaillardia x grandiflora white smut
11-1030a cabbage Brassica oleracea var. capitata abiotic
11-1040 quaking aspen Populus tremuloides Marssonina leaf spot
11-1067b quaking aspen Populus deltoides Cytospora canker
11-1094c prairie blazing star Liatris pycnostachya verticillium wilt
11-1095a cherry laurel Prunus laurocerasus bacterial shot hole
11-1095b cherry laurel Prunus laurocerasus bacterial shot hole
11-1313d filbert Corylus avellana bacterial blight
11-1325e grand fir Abies grandis rust
11-1357_2 aspen Populus sp. crown gall
11-1361 raspberry Rubus idaeus crown gall
11-1367 Shasta daisy Leucanthemum x superbum leafy gall
11-1368 Shasta daisy Leucanthemum x superbum leafy gall
11-1378_c alfalfa Medicago sativa alfalfa mosaic virus
11-1409a blueberry Vaccinium corymbosum crown gall
11-1430 oleander Nerium oleander bacterial galls
11-1430a oleander Nerium oleander bacterial galls
11-1432a geranium Pelargonium sp. leafy gall
11-1451 vine maple Acer circinatum Verticillium wilt
11-1460b Shasta daisy Leucanthemum x superbum leafy gall
11-1472h basil Ocimum basilicum downy mildew
11-1486a caryopteris Caryopteris x clandonensis bacterial leaf spot
11-1495b grape Vitis vinifera leafroll virus
11-1496b rose Rosa sp. downy mildew
11-1518d alpine fir Abies lasiocarpa Phytophthora crown and root rot
11-1521b Shasta daisy Leucanthemum x superbum crown gall
11-1526 pot marigold Calendula officinalis leafy gall
11-1537 hosta Hosta sp. Fusarium crown and root rot
11-1549 day lily Hemerocallis sp. Rhizoctonia root rot
11-1551 wallflower Erysimum linifolium bacterial wilt
11-1556 Veronica Veronica sp. leafy gall
11-1616 rose Rosa sp. crown gall
11-1638a annual ryegrass Lolium multiflorum dung dwelling fungus
11-1660 wine grape Vitis vinifera 'Cabernet Sauvignon' Aspergillus vine canker
11-1660d wine grape Vitis vinifera 'Cabernet Sauvignon' Aspergillus vine canker
11-1679 petunia Petunia sp. leafy gall
11-1700a Hinoki false cypress Chamaecyparis obtusa Seiridium canker
11-1703 butternut tree Juglans cinerea walnut twig beetle
11-1705 rose Rosa sp. crown gall