USDA Forest Service - Region 2 - Rocky Mountain Region Archive's Images
Organization: USDA Forest ServiceCountry: United States
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Diseases(X)
| 52 Images of 31 Subjects | View Subject List | View Image Details | View Thumbnails |
| Image | Subject Name | Scientific Name | Description |
|---|---|---|---|
| 1442108 | Phomopsis blight | Phomopsis juniperivora | |
| 1442049 | witches broom rust | Gymnosporangium nelsonii | Gymnosporangium nelsonii Fpm 17 Juniperus scopulorum Poudre Canyon, Co. June 11 1974 |
| 1442052 | Dutch elm disease | Ophiostoma ulmi | Ceratacystid ulmi dying tree Ulmus americana Milliken ,CO7-16-74 |
| 1442264 | white pine blister rust | Cronartium ribicola | Stem swelling. July 1974 |
| 1442141 | black rot | Ceratocystis fimbriata | |
| 1442142 | Phyllosticta leaf spots | Phyllosticta spp. | Gunnison National Forest |
| 1442057 | Dothichiza canker | Dothichiza populea | Dothichiza |
| 1442040 | comandra blister rust | Cronartium comandrae | showing aecia |
| 1442146 | white heartwood rot | Phellinus tremulae | |
| 1442063 | ash heart rot | Perenniporia fraxinophila | Fomes Fraxinopholus on green ASA Neb. |
| 1442267 | comandra blister rust | Cronartium comandrae | |
| 1442053 | brown felt blight | Herpotrichia juniperi | |
| 1442045 | western gall rust | Endocronartium harknessii | Frazer Experiment Forest |
| 1442058 | Dothichiza canker | Dothichiza populea | Dothichiza |
| 1442067 | Phytophthora root rot | Phytophthora cinnamomi | Healthy (left) diseased (right) |
| 1442059 | Dothichiza canker | Dothichiza populea | Dothichiza |
| 1442139 | black rot | Ceratocystis fimbriata | |
| 1442044 | western gall rust | Endocronartium harknessii | Frazer Experiment Forest |
| 1442140 | black rot | Ceratocystis fimbriata | |
| 1442048 | limb rust | Peridermium filamentosum | Roos National Forest Colorado, July 1974 |
| 1442107 | Phomopsis blight | Phomopsis juniperivora | |
| 1442143 | Marssonina leaf spot | Marssonina tremulae | San Juan National Forest |
| 1442138 | Hypoxylon canker of aspen | Entoleuca mammata | |
| 1442038 | comandra blister rust | Cronartium comandrae | note absence of swelling |
| 1442137 | Hypoxylon canker of aspen | Entoleuca mammata | Carson National Forest |
| 1442043 | white pine blister rust | Cronartium ribicola | flagging |
| 1442062 | false tinder polypore | Phellinus igniarius | Fomes igniarius conks Stage Road Colorado Springs 5-8-74 |
| 1442068 | Phytophthora root rot | Phytophthora cinnamomi | stand break up due to disease |
| 1442120 | ectomycorrhizae | ECM from Mt. Sapria pine Monodial -Smooth 4-76 | |
| 1442121 | Ectomycorrhizae | Thelephora terrestris | Gross view of ectomycorrhizae on pine 6 mos. |
| 1442122 | ectomycorrhizae | Pisolithus tinctorius | growing between root cells |
| 1442124 | Ectomycorrhizae | Thelephora terrestris | Ectomycorrhizal fungi Theleshora terrestris |
| 1442125 | Ectomycorrhizae | Thelephora terrestris | Thelophora terrestris on southern pine |
| 1442126 | Ectomycorrhizae | Thelephora terrestris | Thelophora terrestris fruiting on southern pine |
| 1442127 | ectomycorrhizae | Pisolithus tinctorius | ECM of Pisclithus tinctorius on root plug exterior of containerized pine seedlings |
| 1442060 | Dothichiza canker | Dothichiza populea | Dothichiza |
| 1442266 | Cytospora canker | Valsa sordida | stem canker development |
| 1442261 | Armillaria root rot | Armillaria mellea | mycelial fan under bark of dying tree |
| 1442263 | artist's conk | Ganoderma applanatum | |
| 1442144 | Melampsora rusts | Melampsora spp. | urediospores @500x |
| 1442145 | white heartwood rot | Phellinus tremulae | |
| 1442112 | Fusarium wilts, blights, rots and damping-off | Fusarium spp. | Fading foliage symptoms |
| 1442113 | Pythium diseases | Pythium spp. | |
| 1442119 | fusiform rust | Cronartium quercuum f.sp. fusiforme | sporulating |
| 1442065 | Armillaria root rots | Armillaria spp. | |
| 1442066 | Armillaria root rots | Armillaria spp. | Mycelial fan; Rio Grande National Forest |
| 1442056 | fir broom rust | Melampsorella caryophyllacearum | |
| 1442046 | western gall rust | Endocronartium harknessii | |
| 1442047 | Scleroderris canker of pine and spruce | Gremmeniella abietina | |
| 1442039 | comandra blister rust | Cronartium comandrae | |
| 1442041 | Atropellis canker | Atropellis piniphila | Glacier National Park, Montana |
| 1442042 | white pine blister rust | Cronartium ribicola |
