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Image Subject Name Scientific Name Description
5486244 brown rot Monilinia fructicola
5486245 brown rot Monilinia fructicola
5492433 yellow fairy cups Bisporella citrina Saprobe that grows on decaying logs and stumps of hardwoods. Typically found growing in dense clusters. This is a cup or sac fungus (Ascomycota).
5492434 yellow fairy cups Bisporella citrina Saprobe that grows on decaying logs and stumps of hardwoods. Typically found growing in dense clusters. This is a cup or sac fungus (Ascomycota).
5492435 yellow fairy cups Bisporella citrina Saprobe that grows on decaying logs and stumps of hardwoods. Typically found growing in dense clusters. This is a cup or sac fungus (Ascomycota).
5492436 yellow fairy cups Bisporella citrina Saprobe that grows on decaying logs and stumps of hardwoods. Typically found growing in dense clusters. This is a cup or sac fungus (Ascomycota).
5492437 yellow fairy cups Bisporella citrina Saprobe that grows on decaying logs and stumps of hardwoods. Typically found growing in dense clusters. This is a cup or sac fungus (Ascomycota).
5492438 yellow fairy cups Bisporella citrina Saprobe that grows on decaying logs and stumps of hardwoods. Typically found growing in dense clusters. This is a cup or sac fungus (Ascomycota).
5492341 white rot Stromatinia cepivora small dark sclerotia on garlic
5486074 Entomosporium leaf spot Diplocarpon mespili Acervulus in leaf spot
5486077 Entomosporium leaf spot Diplocarpon mespili Infected leaf
5486078 Entomosporium leaf spot Diplocarpon mespili Infected leaf
5486076 Entomosporium leaf spot Diplocarpon mespili Vertical section of acervulus with macroconidia and microconidia
5486075 Entomosporium leaf spot Diplocarpon mespili Vertical section of acervulus
5486073 Entomosporium leaf spot Diplocarpon mespili Macroconidium
5490483 black spot Diplocarpon rosae Conidia
5490482 black spot Diplocarpon rosae Vertical section of acervulus
5490481 black spot Diplocarpon rosae Vertical section of acervuli
5490480 black spot Diplocarpon rosae Conidia
5490478 black spot Diplocarpon rosae Symptomatic infected leaf
5490479 black spot Diplocarpon rosae Vertical section of acervulus
5490477 black spot Diplocarpon rosae Acervuli in leaf spot
1573613 Sclerotinia rots Sclerotinia spp. Close-up of diseased stem and sclerotia. July 1997
5486072 Entomosporium leaf spot Diplocarpon mespili Microconidia and conidiophores
5486071 Entomosporium leaf spot Diplocarpon mespili Macroconidia and microconidia
5492703 valdensia leaf blight Valdensinia heterodoxa Valdensinia lesions
5492704 valdensia leaf blight Valdensinia heterodoxa leaf drop caused by Valdensinia
5492705 valdensia leaf blight Valdensinia heterodoxa
5492656 mummy berry Monilinia vaccinii-corymbosi Mummy berry apothecia
5492685 mummy berry Monilinia vaccinii-corymbosi Mummy berry primary infection of leaf
5492686 mummy berry Monilinia vaccinii-corymbosi Mummy berry disease primary infection of leaf
5492687 mummy berry Monilinia vaccinii-corymbosi pseudosclerotia
5492688 mummy berry Monilinia vaccinii-corymbosi pseudosclerotia
5492689 mummy berry Monilinia vaccinii-corymbosi pseudosclerotia
5486246 brown rot Monilinia fructicola
5491018 brown rot Monilinia fructicola
5491019 brown rot Monilinia fructicola
5491020 brown rot Monilinia fructicola
5491021 brown rot Monilinia fructicola
5491022 brown rot Monilinia fructicola
5491023 brown rot Monilinia fructicola
5491024 brown rot Monilinia fructicola
5491025 brown rot Monilinia fructicola
5491026 brown rot Monilinia fructicola
5491027 brown rot Monilinia fructicola
5491028 brown rot Monilinia fructicola
1573147 mummy berry Monilinia vaccinii-corymbosi Sclerotium of Monilinia vaccinii-corymbosi from blueberry. Fruit on left has been converted into a sclerotium.  Shriveled fruit on the right is a sclerotium in development. May 1997
1573146 mummy berry Monilinia vaccinii-corymbosi Sclerotium of Monilinia vaccinii-corymbosi from blueberry. May 1997
1573145 mummy berry Monilinia vaccinii-corymbosi Sclerotia of Monilinia vaccinii-corymbosi from blueberry. May 1997
5485069 Entomosporium leaf spot Diplocarpon mespili Conidia
5487881 white rot Stromatinia cepivora Allium sativum 'German Red Hardneck' yellowing and dieback
5487882 white rot Stromatinia cepivora Allium sativum 'German Red Hardneck' yellowing and dieback
5487883 white rot Stromatinia cepivora Allium sativum 'German Red Hardneck' small black sclerotia are visible
1572833 Sclerotinia rot Sclerotinia sclerotiorum Tomato stems infected with Sclerotinia sclerotiorum will readily form sclerotia after incubation in a moist chamber for 48-72 hours. April 1997?
1572832 Sclerotinia rot Sclerotinia sclerotiorum Tomato stem infected with Sclerotinia sclerotiorum shows white mycelium and soft rotted stem tissue. April 1997?
1572831 Sclerotinia rot Sclerotinia sclerotiorum Tomato stem infected with Sclerotinia sclerotiorum after 24 hour incubation in a moist chamber.  Note mycelium growing from infected stem tissue. Sclerotia will form within 48-72 hours. April 1997?
1572830 Sclerotinia rot Sclerotinia sclerotiorum Close up of tomato stem infected with Sclerotinia sclerotiorum showing sclerotia after incubation in a moist chamber. April 1997?
1572829 Sclerotinia rot Sclerotinia sclerotiorum Tomato stems infected with Sclerotinia sclerotiorum will readily form sclerotia after incubation in a moist chamber. Cottony mycelium is present and some sclerotia are beginning to form. See 1572826 some moist chamber 24-48 hours later. April 1997?
1572826 Sclerotinia rot Sclerotinia sclerotiorum Tomato stems infected with Sclerotinia sclerotiorum will readily form sclerotia after incubation in a moist chamber. April 1997
5485070 Entomosporium leaf spot Diplocarpon mespili Leaf spots
5485071 Entomosporium leaf spot Diplocarpon mespili Leaf spots
5485079 Sclerotinia rot Sclerotinia sclerotiorum Cross section of a sclerotium of Sclerotinia sclerotiorum showing the creamy white interior. Came off a poinsettia
5485080 Sclerotinia rot Sclerotinia sclerotiorum Cross section of a sclerotium of Sclerotinia sclerotiorum. Came off a poinsettia
5485076 Sclerotinia rot Sclerotinia sclerotiorum Sclerotium of Sclerotinia sclerotiorum about a half a centimeter in length. Came off a poinsettia
5485077 Sclerotinia rot Sclerotinia sclerotiorum Came off of a Poinsettia
5485078 Sclerotinia rot Sclerotinia sclerotiorum Sclerotinia sclerotiorum Came off a poinsettia
5485046 Sclerotinia rot Sclerotinia sclerotiorum Sclerotia of Sclerotinia sclerotiorum in a PDA culture.
5485047 Sclerotinia rot Sclerotinia sclerotiorum View of Sclerotinia sclerotiorum growing on PDA.
5485048 Sclerotinia rot Sclerotinia sclerotiorum View of Sclerotinia sclerotiorum growing on PDA.
5485075 Sclerotinia rot Sclerotinia sclerotiorum Hyphae of Sclerotinia sclerotiorum mounted in aniline blue in lactophenol, viewed at 400x magnification.
5485045 Sclerotinia rot Sclerotinia sclerotiorum Close up of a sclerotium of Sclerotinia sclerotiorum in a PDA culture.
5485074 Sclerotinia rot Sclerotinia sclerotiorum Hyphae of Sclerotinia sclerotiorum at 400x magnification. Host: poinsettia
5485044 Sclerotinia rot Sclerotinia sclerotiorum View from the bottom of the petri dish of a Sclerotinia sclerotiorum culture growing on PDA.
5486070 Entomosporium leaf spot Diplocarpon mespili Infected leaves
5484507 Blumeriella leaf spot of cherry and plum Blumeriella jaapii Conidia
5484509 Blumeriella leaf spot of cherry and plum Blumeriella jaapii Shothole symptoms
5484508 Blumeriella leaf spot of cherry and plum Blumeriella jaapii Conidium on conidiophore.
5484506 Blumeriella leaf spot of cherry and plum Blumeriella jaapii Vertical section of acervulus of Phloeosporella anamorph.
5484505 Blumeriella leaf spot of cherry and plum Blumeriella jaapii Vertical section of acervulus of Phloeosporella anamorph.
5408114 Sclerotinia rots Sclerotinia spp.
5458679 Dermea Dermea sp. conidia
5482684 mummy berry Monilinia vaccinii-corymbosi
5482685 mummy berry Monilinia vaccinii-corymbosi
5482686 mummy berry Monilinia vaccinii-corymbosi
5482687 mummy berry Monilinia vaccinii-corymbosi Pseudosclerotia (mummy berries) are the overwintering structures of the pathogen.
5482688 mummy berry Monilinia vaccinii-corymbosi Pseudosclerotia (mummy berries) are the overwintering structures of the pathogen.?
5482689 mummy berry Monilinia vaccinii-corymbosi
5482690 mummy berry Monilinia vaccinii-corymbosi
5482691 mummy berry Monilinia vaccinii-corymbosi Pseudosclerotia (mummy berries) are the overwintering structures of the pathogen.?
5264096 black spot Diplocarpon rosae
5479910 Atropellis canker Atropellis spp. Cankered branch of Virginia pine
5479911 Atropellis canker Atropellis spp. black apothecia of the fungus on a branch canker
1571738 Sclerotinia rot Sclerotinia sclerotiorum Lettuce drop disease showing distribution of the disease in the field. Often, single plants, or a group of adjacent plants, are affected.  Diseased heads are easily detected. December 1995
5473583 Sclerotinia rot Sclerotinia sclerotiorum White mold- also known as stem rot- symtptoms in soybean stems
5473584 Sclerotinia rot Sclerotinia sclerotiorum White mold
5473253 leaf scorch Diplocarpon earlianum Close-up of two acervular conidiomata exuding conidia of Marssonina fragariae, the anamorph of Diplocarpon earlianum, the cause of strawberry leaf scorch.
5473254 leaf scorch Diplocarpon earlianum Darkfield observation of three acervular conidiomata of Marssonina fragariae, the anamorph of Diplocarpon earlianum, the cause of strawberry leaf scorch.
5473255 leaf scorch Diplocarpon earlianum Darkfield observation of one acervular conidioma with conidia of Marssonina fragariae, the anamorph of Diplocarpon earlianum, the cause of strawberry leaf scorch.
5473256 leaf scorch Diplocarpon earlianum Conidia of Marssonina fragariae, the anamorph of Diplocarpon earlianum, the cause of strawberry leaf scorch.
5473247 leaf scorch Diplocarpon earlianum Overall view of strawberry plants with the fungal disease Leaf scorch caused by Diplocarpon earlianum.
5473248 leaf scorch Diplocarpon earlianum Leaves of strawberry plants with the fungal disease Leaf scorch caused by Diplocarpon earlianum.
5473249 leaf scorch Diplocarpon earlianum Strawberry leaves with the fungal disease Leaf scorch caused by Diplocarpon earlianum.
5473250 leaf scorch Diplocarpon earlianum Strawberry leaf with spotting due to the fungal disease Leaf scorch caused by Diplocarpon earlianum.
5473251 leaf scorch Diplocarpon earlianum Strawberry leaf with spotting due to the fungal disease Leaf scorch caused by Diplocarpon earlianum.
5473252 leaf scorch Diplocarpon earlianum Close-up of a single leaf spot on a strawberry leaf due to the fungal disease Leaf scorch caused by Diplocarpon earlianum. Several dark brown to black acervular conidiomata of the anamorph Marssonina fragariae can be seen within the spot.
5472518 Sclerotinia rot Sclerotinia sclerotiorum
5472519 Sclerotinia rot Sclerotinia sclerotiorum
5472520 Sclerotinia rot Sclerotinia sclerotiorum
5472861 Sclerotinia rot Sclerotinia sclerotiorum Timber rot lesion caused by Sclerotinia sclerotiorum on a tomato stem.
5472862 Sclerotinia rot Sclerotinia sclerotiorum Close-up of a timber rot lesion on tomato. Sclerotia of Sclerotinia sclerotiorum are visible on the stem.
5459236 Entomosporium fungus Entomosporium spp. Cross-section of acervuli in leaf tissue
5459239 Entomosporium fungus Entomosporium spp. Cross-section of floor of acervulus
5454532 anthracnose Gloeosporium spp.
5454531 anthracnose Gloeosporium spp. Note: photo taken during high precipitation levels in early spring.
5459241 Entomosporium fungus Entomosporium spp. Infected leaves
5459240 Entomosporium fungus Entomosporium spp. Acervulus cross-section with macroconidia
5459238 Entomosporium fungus Entomosporium spp. Macroconidium (and microconidia?)
5459237 Entomosporium fungus Entomosporium spp. Macroconidium
5459235 Entomosporium fungus Entomosporium spp. Cross-section of acervulus in leaf tissue
5459234 Entomosporium fungus Entomosporium spp. Unruptured acervuli on leaf surface
1571759 Sclerotinia rot Sclerotinia sclerotiorum Sclerotia and mycelium of Sclerotinia sclerotiorum on the underside of a head lettuce plant. The tip of a 0.5 mm mechanical pencil is used as a size marker. December 1995
1571757 Sclerotinia rot Sclerotinia sclerotiorum Sclerotia and mycelium of Sclerotinia sclerotiorum on the underside of a head lettuce plant. December 1995
1571744 Sclerotinia rot Sclerotinia sclerotiorum Early detection of lettuce drop is best done by looking at the base of the plant where lowest leaves are in contact with soil.  Water-soaked tissue and presence of mycelium indicate that decay has begun. December 1995
1571741 Sclerotinia rot Sclerotinia sclerotiorum Lettuce drop disease showing mycelium and sclerotia.  The pathogen infects on the underside of the plant where high moisture and senescent tissue are present. December 1995
1571740 Sclerotinia rot Sclerotinia sclerotiorum Lettuce drop disease showing a single plant "dropped". December 1995
1571739 Sclerotinia rot Sclerotinia sclerotiorum Lettuce drop disease showing mycelium and slerotia of the pathogen. December 1995
1571737 Sclerotinia rot Sclerotinia sclerotiorum Lettuce drop disease showing sclerotia and mycelium at the base of an iceberg lettuce plant. December 1995
1570294 brown rot Monilinia fructicola Light micrograph of Monilinia fructicola chains of conidia at 100X, phase contrast. December 1991
1571760 Sclerotinia rot Sclerotinia sclerotiorum Sclerotia and mycelium of Sclerotinia sclerotiorum on lettuce.  December 1995
5468285 ink spot leaf blight Ciborinia whetzelii
5468286 ink spot leaf blight Ciborinia whetzelii
5468287 ink spot leaf blight Ciborinia whetzelii
5466890 Sclerotinia rot Sclerotinia sclerotiorum
5466891 Sclerotinia rot Sclerotinia sclerotiorum
5465742 Sclerotinia rot Sclerotinia sclerotiorum
5466886 Sclerotinia rot Sclerotinia sclerotiorum
5466887 Sclerotinia rot Sclerotinia sclerotiorum
5466888 Sclerotinia rot Sclerotinia sclerotiorum
5466889 Sclerotinia rot Sclerotinia sclerotiorum
5466883 Sclerotinia rot Sclerotinia sclerotiorum
5466884 Sclerotinia rot Sclerotinia sclerotiorum
5466885 Sclerotinia rot Sclerotinia sclerotiorum
5465741 Sclerotinia rot Sclerotinia sclerotiorum
5465743 Sclerotinia rot Sclerotinia sclerotiorum
5465736 Sclerotinia rot Sclerotinia sclerotiorum
5465737 Sclerotinia rot Sclerotinia sclerotiorum
5465738 Sclerotinia rot Sclerotinia sclerotiorum
5465739 Sclerotinia rot Sclerotinia sclerotiorum
5465744 Sclerotinia rot Sclerotinia sclerotiorum
5465745 Sclerotinia rot Sclerotinia sclerotiorum
5465746 Sclerotinia rot Sclerotinia sclerotiorum
5465740 Sclerotinia rot Sclerotinia sclerotiorum
5465735 Sclerotinia rot Sclerotinia sclerotiorum
5459174 white rot Stromatinia cepivora Infested garlic bed
5459173 white rot Stromatinia cepivora Infested garlic bed
5459172 white rot Stromatinia cepivora Infested garlic bed
5459171 white rot Stromatinia cepivora Close-up of sclerotial surface
5459170 white rot Stromatinia cepivora Close-up of sclerotial surface
5459169 white rot Stromatinia cepivora Sclerotia at base of stem
5459168 white rot Stromatinia cepivora Sclerotia at base of stem
5459167 white rot Stromatinia cepivora Sclerotia at base of stem
5459166 white rot Stromatinia cepivora Sclerotia at base of stem
5459165 white rot Stromatinia cepivora Sclerotia at base of stem
5459195 white rot fungus Stromatinia gladioli Infected plants
5459193 white rot fungus Stromatinia gladioli Sclerotia evident in tissues
5459194 white rot fungus Stromatinia gladioli Sclerotia evident in tissues
5459192 white rot fungus Stromatinia gladioli Symptomatic shredded leaf bases
5459191 white rot fungus Stromatinia gladioli Symptomatic shredded leaf base
5458603 Rhabdocline needlecast Rhabdocline weirii The fruiting bodies rupture the needle epidermis in spring exposing the spore bearing areas.
5458636 Rhabdocline needlecast Rhabdocline weirii  Rhabdocline apothecia are released when flaps of leaf epidermis fold back on either side of the midrib.
5457958 brown rots Monilinia spp. fruiting bodies on leaf tissue
5457959 brown rots Monilinia spp. fruiting bodies on twig
5427716 Marssonina leaf spots Marssonina spp. Marssonina leaf spot symptoms on bittersweet leaf
2251040 Douglas-fir needlecast Rhabdocline pseudotsugae close-up view of symptoms on Douglas-fir
2251019 Dermea canker Dermea pseudotsugae canker with bark removed
2251013 Atropellis canker Atropellis piniphila close-up view of branch canker
0364014 Rhabdocline needlecasts Rhabdocline spp. symptoms on blue spruce
0364016 Rhabdocline needlecasts Rhabdocline spp. symptoms on blue spruce
1436149 camellia flower blight Ciborinia camelliae apothecium
1406097 Scleroderris canker of pine and spruce Gremmeniella abietina only red pine trees are damaged
1406099 Scleroderris canker of pine and spruce Gremmeniella abietina Scleroderris moving up red pine
1233034 black spot Diplocarpon rosae
0364085 Scleroderris canker of pine and spruce Gremmeniella abietina orange needle bases, found in May and June
0364015 Rhabdocline needlecasts Rhabdocline spp. symptoms on blue spruce
1467141 Scleroderris canker of western firs Grovesiella abieticola pycnidia on dead bark
5440154 dollar spot Sclerotinia homoeocarpa 12/12 light/dark at 27C Top of culture on Day 8
5440153 dollar spot Sclerotinia homoeocarpa 12/12 light/dark at 27 C Bottom of culture on Day 8
5440150 dollar spot Sclerotinia homoeocarpa 12/12 light/dark at 27 C Top of culture on Day 4
5440151 dollar spot Sclerotinia homoeocarpa 12/12 light/dark at 27 C Bottom of culture on Day 6
5440152 dollar spot Sclerotinia homoeocarpa 12/12 light/dark at 27 C Top of culture on Day 6
5440148 dollar spot Sclerotinia homoeocarpa 12/12 light/dark at 27 C Top of culture on Day 2
5440149 dollar spot Sclerotinia homoeocarpa 12/12 light/dark at 27 C Bottom of culture on Day 4
5440147 dollar spot Sclerotinia homoeocarpa 12/12 light/dark at 27 C Bottom of culture on Day 2
1198019 blue stain Chlorociboria aeruginascens Saprophytic on well-decayed wood. Stains wood blue-green. The small sporocarps shown here are rarely seen.
1406102 Scleroderris canker of pine and spruce Gremmeniella abietina Oneida County Forest
4215055 sooty-bark canker Encoelia pruinosa canker on aspen
1436148 camellia flower blight Ciborinia camelliae confined to flower petals
2251018 Dermea canker Dermea pseudotsugae
1400172 zonate leaf spot Grovesinia pyramidalis
1406090 Scleroderris canker of pine and spruce Gremmeniella abietina
1406078 Scleroderris canker of pine and spruce Gremmeniella abietina
1406089 Scleroderris canker of pine and spruce Gremmeniella abietina
1406076 Scleroderris canker of pine and spruce Gremmeniella abietina
1241567 Rhabdocline needlecasts Rhabdocline spp. Rhabdocline apothecia are released when flaps of leaf epidermis fold back on either side of the midrib.
1241709 Atropellis canker Atropellis piniphila Atropellis canker on a lodgepole pine stem. The bark is tight, and dead branches are often present within the cankered area.
4213016 Scleroderris canker of pine and spruce Gremmeniella abietina dead shoots on seedling
1406100 Scleroderris canker of pine and spruce Gremmeniella abietina
2251031 Dasyscypha cankers Lachnellula spp. stem canker
4213047 Cenangium cankers Cenangium spp.
1236150 brown rot Monilinia fructicola
1400173 zonate leaf spot Grovesinia pyramidalis
1467372 Douglas-fir needlecast Rhabdocline pseudotsugae
1406079 Scleroderris canker of pine and spruce Gremmeniella abietina lower branches infected with Scleroderris canker
1406096 Scleroderris canker of pine and spruce Gremmeniella abietina
1436084 brown rot Monilinia fructicola
1467142 Cenangium limb canker Cenangium ferruginosum
2251030 Dasyscypha cankers Lachnellula spp. terminal shoot dieback
1436083 brown rot Monilinia fructicola on fruit
1406101 Scleroderris canker of pine and spruce Gremmeniella abietina
1406098 Scleroderris canker of pine and spruce Gremmeniella abietina
1241566 Rhabdocline needlecasts Rhabdocline spp. Rhabdocline apothecia are released when flaps of leaf epidermis fold back on either side of the midrib.
2251014 Atropellis canker Atropellis piniphila on lodgepole pine
4213015 Scleroderris canker of pine and spruce Gremmeniella abietina orange needle bases, found in May and June
1400143 zonate leaf spot Grovesinia pyramidalis
5424444 black spot Diplocarpon rosae Leaves with feathery black spots of similar size with surrounding tissue turning yellow/brown.
5424445 black spot Diplocarpon rosae Leaves with feathery black spots of varying size, some with surrounding tissue turning yellow others not.
5427738 black spot Diplocarpon rosae Circular black spots with feathery margins and yellowing typical of black spot of rose
5424472 Sclerotinia rot Sclerotinia sclerotiorum Infection is usually seen on a group of plants in a float tray.  As the plants die and more air gets into this area, the advance of the fungus is limited by the less humid conditions created.
5388315 black spot Diplocarpon rosae Black spot is on these leaves.
1234133 black spot Diplocarpon rosae
1235059 brown rot Monilinia fructicola
1436133 Sclerotinia rot Sclerotinia sclerotiorum
4213048 Cenangium cankers Cenangium spp. view of infected trees
2634073 Scleroderris canker of pine and spruce Gremmeniella abietina orange needle bases found, May and June
1406086 Scleroderris canker of pine and spruce Gremmeniella abietina
5424434 Marssonina leaf spots Marssonina spp. Close-up of one spot on lower surface of leaf with a single spore-producing body ("acervulus").
5424435 Marssonina leaf spots Marssonina spp. Close-up of one spot on lower surface of leaf with a single spore-producing body ("acervulus").
5424436 Marssonina leaf spots Marssonina spp. Close-up of one spot on lower surface of leaf with a single spore-producing body ("acervulus").
5424437 Marssonina leaf spots Marssonina spp. Spores of a species of the fungus Marssonina.
1236076 brown rot Monilinia fructicola
1406087 Scleroderris canker of pine and spruce Gremmeniella abietina
1199025 Scleroderris canker of pine and spruce Gremmeniella abietina Death of lower branches.
1241565 Rhabdocline needlecasts Rhabdocline spp. Red spots and transverse banding on infected needles.
2251017 Dermea canker Dermea pseudotsugae
2251028 Dasyscypha cankers Dasyscyphus spp. stem canker and fruiting bodies
2251032 Dasyscypha cankers Dasyscyphus spp. stem canker on young tree
1233230 brown rot Monilinia fructicola
1467398 common snow mold Phacidium infestans
1406088 Scleroderris canker of pine and spruce Gremmeniella abietina red pine plantation
1436036 alfalfa leaf spot Pseudopeziza medicaginis
1400171 zonate leaf spot Grovesinia pyramidalis
1406077 Scleroderris canker of pine and spruce Gremmeniella abietina
1436037 yellow leaf blotch Pseudopeziza jonesii
2251039 Douglas-fir needlecast Rhabdocline pseudotsugae advanced symptoms at Christmas Tree Plantation
1406103 Scleroderris canker of pine and spruce Gremmeniella abietina cut in Oneida County Forest. Diameter 7 inches
1467400 common snow mold Phacidium infestans apothecia
2251015 Atropellis canker Atropellis piniphila stained wood with bark removed
5427617 leaf spots Cristulariella spp. Leaf spot
5427612 leaf spots Cristulariella spp. Leaf spots
5427613 leaf spots Cristulariella spp. Globose cells developing from conidium
5427614 leaf spots Cristulariella spp. Conidium
5427615 leaf spots Cristulariella spp. Conidium
5427618 leaf spots Cristulariella spp. Conidia growing from leaf spot
5427616 leaf spots Cristulariella spp. Apex of conidium with globose cells
1467376 Rhabdocline needlecast Rhabdocline weirii
1473180 Cenangium canker Cenangium singulare Cenangium singulare (sooty bark disease) followed after bark injury from ax; photo taken 9/1974
5418720 eyespot Oculimacula spp.
5418719 eyespot Oculimacula spp.
5418718 eyespot Oculimacula spp.
1570293 brown rot Monilinia fructicola Light micrograph of Monilinia fructicola chains of conidia at 400X, phase contrast. December 1991
5417122 dollar spot Sclerotinia homoeocarpa Foliar symptoms
5417121 dollar spot Sclerotinia homoeocarpa
5417088 dollar spot Sclerotinia homoeocarpa
5417089 dollar spot Sclerotinia homoeocarpa
5417087 dollar spot Sclerotinia homoeocarpa
1570474 Sclerotinia rot Sclerotinia sclerotiorum Cottony rot, caused by Sclerotinia sclerotiorum on lemon. This is an uncommon disease is California and found primarily in long-term storage.  May 1992
5361397 Sclerotinia rot Sclerotinia sclerotiorum White mold (Sclerotinia sclerotiorum) sclerotia on potato dextrose agar in the laboratory.  Isolated from common bean (Phaseolus vulgaris L.)
5038075 Scleroderris canker of pine and spruce Gremmeniella abietina Green staining of G. abietina under the bark.
5052068 Scleroderris canker of pine and spruce Gremmeniella abietina European strain of G. abietina symptoms on red pine.
5038076 Scleroderris canker of pine and spruce Gremmeniella abietina Green stain of wood caused by G. abietina
2176063 Sclerotinia rot Sclerotinia sclerotiorum
2176064 Sclerotinia rot Sclerotinia sclerotiorum sclerotia cross-section
2176065 Sclerotinia rot Sclerotinia sclerotiorum cross-section of sclerotium
2176066 Sclerotinia rot Sclerotinia sclerotiorum cross-section of sclerotium
2176067 Sclerotinia rot Sclerotinia sclerotiorum sclerotium
2176098 Sclerotinia rot Sclerotinia sclerotiorum cross-section of sclerotia
2176060 Sclerotinia rot Sclerotinia sclerotiorum
2176061 Sclerotinia rot Sclerotinia sclerotiorum
2172012 brown rots Monilinia spp.
2172013 brown rots Monilinia spp. conidia
2172014 brown rots Monilinia spp.
5049016 yellow fairy cups Bisporella citrina Sporocarps of Bisporella citrina, a fungus that grows on wood.
5049017 yellow fairy cups Bisporella citrina Sporocarps of Bisporella citrina, a fungus that grows on wood.
5049018 yellow fairy cups Bisporella citrina Sporocarps of Bisporella citrina, a fungus that grows on wood.
5389701 brown rot Monilinia fructicola Rotted fruit with copious sporulation.  
5389702 brown rot Monilinia fructicola Sporulation on rotted fruit  
5366670 Scleroderris canker of western firs Grovesiella abieticola Apothecia of Scleroderris canker on a subalpine fir.
5366669 Scleroderris canker of western firs Grovesiella abieticola Evidence of Scleroderris canker on a twig of subalpine fir.
5366668 Scleroderris canker of western firs Grovesiella abieticola Scleroderris canker on a branch of subalpine fir.
5034050 sooty-bark canker Encoelia pruinosa Apothecia of Encoelia pruinosa (sexual fruiting bodies)
5034051 sooty-bark canker Encoelia pruinosa Apothecia of Encoelia pruinosa (sexual fruiting bodies)
1473270 leaf spot Marssonia spp. aspen defoliation by Marssonia sp. and Melampsorella sp.; 9/4/1941
5368817 Sclerotinia rot Sclerotinia sclerotiorum Note the hard, black survival structures called “sclerotia” in culture plates.  Isolated from sweet coneflower (Rudbeckia subtomentosa Pursh)
5368447 Marssonina leaf spots Marssonina spp. Close-up of two spots on underside of the leaf where spore-producing bodies ("pycnidia") are not distinguishable.
5368464 Cryptocline fungus Cryptocline betularum Conidia of the fungus Cryptocline betularum.
5385787 Marssonina leaf spots Marssonina spp. Close-up of one spot on lower surface of leaf with a single spore-producing body ("acervulus").
5385788 Marssonina leaf spots Marssonina spp. Close-up of one spot on lower surface of leaf with a single spore-producing body ("acervulus").
5385789 Marssonina leaf spots Marssonina spp. Close-up of one spot on lower surface of leaf with a single spore-producing body ("acervulus").
5385790 Marssonina leaf spots Marssonina spp. Spores of a species of the fungus Marssonina.
5368633 Sclerotinia rot Sclerotinia sclerotiorum Culture of Sclerotinia sclerotiorum on Potato Dextrose Agar (PDA). Isolated from pepper (Capsicum annuum).
1233205 brown rot of fruit Monilinia fructigena
5335008 Atropellis canker Atropellis spp.
5337007 Sclerotinia rot Sclerotinia sclerotiorum
5335076 brown rot Monilinia fructicola mummified fruit
5335073 brown rot Monilinia fructicola on cherry
5337057 Sclerotinia rot Sclerotinia sclerotiorum
5337058 Sclerotinia rot Sclerotinia sclerotiorum
5337067 black spot Diplocarpon rosae
5337097 Marssonina leaf spots Marssonina spp. conidia
1525282 white rot fungus Stromatinia gladioli
1525283 white rot fungus Stromatinia gladioli
1525281 white rot fungus Stromatinia gladioli
1525284 white rot fungus Stromatinia gladioli
1525280 white rot fungus Stromatinia gladioli
5383150 Entomosporium leaf spot Diplocarpon mespili Leaf spots on lower leaf surface with acervuli
5383124 Entomosporium leaf spot Diplocarpon mespili fruiting bodies on leaf
5383125 Entomosporium leaf spot Diplocarpon mespili Conidia
1436155 black spot Diplocarpon rosae
5368630 Sclerotinia rot Sclerotinia sclerotiorum Lower stem decay.
5368631 Sclerotinia rot Sclerotinia sclerotiorum Close-up of margin between decayed and healthy stem.
5368634 Sclerotinia rot Sclerotinia sclerotiorum Culture of Sclerotinia sclerotiorum showing black "sclerotia".
5368632 Sclerotinia rot Sclerotinia sclerotiorum Lower stem decay where faint target pattern is seen with the infected area.
5368541 Sclerotinia rot Sclerotinia sclerotiorum Collar rot first appears as small, dark green, water-soaked lesions at the base of stems. Clusters of infected transplants will appear and will have a yellow, wilted, and unthrifty appearance.
5368542 Sclerotinia rot Sclerotinia sclerotiorum Signs of the fungus are found normally at the base of plants or on debris in float trays and include a white, cottony mycelium (fungal mass), present if humidity is high, and irregularly shaped, black sclerotia. Sclerotia resemble seeds or rodent droppi
5368543 Sclerotinia rot Sclerotinia sclerotiorum Plants can be rotted in half by complete rotting of a portion of the lower stem.
5368544 Sclerotinia rot Sclerotinia sclerotiorum Lower stem of an infected plants which severely rotted.
5368545 Sclerotinia rots Sclerotinia spp. Several infected stems show dieback from the point of infection toward the tip of the stem.
5334078 zonate leaf spot Grovesinia pyramidalis
5371919 leaf shotholes Cylindrosporium spp.
5371917 leaf shotholes Cylindrosporium spp.
5371918 leaf shotholes Cylindrosporium spp.
5371915 leaf shotholes Cylindrosporium spp.
5371916 leaf shotholes Cylindrosporium spp.
5368445 Marssonina leaf spots Marssonina spp. Upper surface of leaf with gray/white spots and thin brown borders.
5368446 Marssonina leaf spots Marssonina spp. Lower surface of leaf shows leaf spots are darker brown than upper surface appearance.
5368461 Cryptocline fungus Cryptocline betularum Leaves with spots starting out tan and turning gray then white.
5368462 Cryptocline fungus Cryptocline betularum Close-up of leaf spots where in some spots the missing tissue in the center was where the spore-producing body of the fungus was located.
5368463 Cryptocline fungus Cryptocline betularum Close-up of one spore-producing body ("acervulus") is seen in dark-field observation.
5368473 anthracnose Monostichella spp. Leaf section with numerous brown spots with small center portion slightly lighter-colored.
5368474 anthracnose Monostichella spp. Close-up of two leaf spots a ring of darker, slightly raised, spore-producing bodies ("acervuli")
5368475 anthracnose Monostichella spp. Spore-producing bodies ("acervuli") barely discernable under dark-field observation.
5368476 anthracnose Monostichella spp. Spores of a species of the fungus Monostichella.
5368489 Phloeosporella fungus Phloeosporella padi dark brown leaf spots with red border
5368494 Phloeosporella fungus Phloeosporella padi dark brown leaf spots with red border
5368495 Phloeosporella fungus Phloeosporella padi dark brown leaf spots with red border
5368496 Phloeosporella fungus Phloeosporella padi Spore-producing bodies ("acervuli") with spores oozing out in tendrils
5368497 Phloeosporella fungus Phloeosporella padi Spore-producing bodies ("acervuli") with spores oozing out in tendrils
5368498 Phloeosporella fungus Phloeosporella padi Spore-producing bodies ("acervuli") with spores oozing out in tendrils
5368499 Phloeosporella fungus Phloeosporella padi Spore-producing bodies ("acervuli") with spores oozing out in tendrils
5368500 Phloeosporella fungus Phloeosporella padi Spores of the fungus Phloeosporella padi
5368509 anthracnose Drepanopeziza ribis red/purple spotting on leaves usually with a single spore-producing body ("acervulus") within the spot
5368510 anthracnose Drepanopeziza ribis red/purple spotting on leaves usually with a single spore-producing body ("acervulus") within the spot
5368511 anthracnose Drepanopeziza ribis microscopic view of leaf spot
5368512 anthracnose Drepanopeziza ribis asexual spores of the fungus Drepanopeziza ribis
5368546 Sclerotinia rots Sclerotinia spp. Hard, black survival structure called a “sclerotia” inside the infected stem.
5368547 Sclerotinia rots Sclerotinia spp. Infected stem showing a pattern of alternating lighter and darker copper/brown lines.
5368548 Sclerotinia rots Sclerotinia spp. Fungal mycelium after infection of flower. Disease starts as a flower infection with the fungus then working its way into the stem.
5368783 Marssonina leaf spots Marssonina spp. Upper surface of leaf with tan spots and thin brown borders.
5368784 Marssonina leaf spots Marssonina spp. Close-up of two spots on the upper surface of leaf that are tan with thin brown borders.
5368785 Marssonina leaf spots Marssonina spp. Close-up of one spot on lower surface of leaf with spore-producing bodies ("acervuli") oozing spores.
5368786 Marssonina leaf spots Marssonina spp. Spores of a species of the fungus Marssonina.
5368779 twig and leaf blight Blumeriella kerriae Leaf infection shows reddish spots with dark borders and, if numerous, leaves yellow and fall. Stem cankers are produced as discolored more or less extended darkened areas which may crack open.
5368780 twig and leaf blight Blumeriella kerriae Close-up of a spot with a ring of raised, spore-producing bodies ("acervuli") within spot.
5368781 twig and leaf blight Blumeriella kerriae Spore-producing bodies ("acervuli") and spores under dark-field observation.
5368782 twig and leaf blight Blumeriella kerriae Spores of the anamorph fungus Phloeosporella.
5368815 Sclerotinia rot Sclerotinia sclerotiorum A dry, lower stem rot usually with disintegrated pith tissue.
5368816 Sclerotinia rot Sclerotinia sclerotiorum A dry, lower stem rot usually with disintegrated pith tissue.
5368818 Sclerotinia rot Sclerotinia sclerotiorum Note the hard, black survival structures called “sclerotia” in culture plates.
5368842 Entomosporium leaf spot Diplocarpon mespili Leaf spots with gray centers and dark purple borders.
5368843 Entomosporium leaf spot Diplocarpon mespili Single leaf with spots having gray centers and dark purple borders.
5368844 Entomosporium leaf spot Diplocarpon mespili Close-up of leaf spots showing raised, spore-producing body ("acervuli") within spot.
5368845 Entomosporium leaf spot Diplocarpon mespili Spores of the fungus Entomosporium mespili look like an insect and thus the genus name of the fungus.
5368960 black spot Diplocarpon rosae Leaves with feathery purple/black spots having no definite margin.
5368961 black spot Diplocarpon rosae Close-up of infected area on underside of leaf with slightly raised, dark brown, spore-producing bodies ("acervuli").
5368962 black spot Diplocarpon rosae Closer view of infected area on underside of leaf with slightly raised, dark brown, spore-producing bodies ("acervuli").
5368963 black spot Diplocarpon rosae Dark-field observation showing several brown, spore-producing bodies ("acervuli").
5368964 black spot Diplocarpon rosae Closer dark-field observation showing several brown, spore-producing bodies ("acervuli") with spores.
5368965 black spot Diplocarpon rosae two-celled spores of the anamorph fungus Marssonina rosae.
5369033 dollar spot Sclerotinia homoeocarpa Small, circular dead areas in turfgrass.
5369034 dollar spot Sclerotinia homoeocarpa Small, circular dead areas in turfgrass.
5369035 dollar spot Sclerotinia homoeocarpa Small, circular dead areas in turfgrass.
5369036 dollar spot Sclerotinia homoeocarpa Single, circular dead area in turfgrass.
5369037 dollar spot Sclerotinia homoeocarpa Incubation of infected cores showing white, cottony tufts of fungal mycelium.
5369038 dollar spot Sclerotinia homoeocarpa Hyphae of the fungus Sclerotinia homoeocarpa.
5369039 dollar spot Sclerotinia homoeocarpa Hyphae of the fungus Sclerotinia homoeocarpa.
5333063 Sclerotinia rot Sclerotinia sclerotiorum
5332027 Sclerotinia stem rot Sclerotinia trifoliorum
5332028 Sclerotinia stem rot Sclerotinia trifoliorum
5332031 Sclerotinia stem rot Sclerotinia trifoliorum
5332029 alfalfa leaf spot Pseudopeziza medicaginis
5333006 dollar spot Sclerotinia homoeocarpa Pennsylvania State University field trials
5333004 dollar spot Sclerotinia homoeocarpa
5333005 dollar spot Sclerotinia homoeocarpa
5333002 dollar spot Sclerotinia homoeocarpa
5333003 dollar spot Sclerotinia homoeocarpa
5331078 Sclerotinia rot Sclerotinia sclerotiorum fungal sclerotia also pictured
5331082 Sclerotinia rot Sclerotinia sclerotiorum
5361963 Neofabraea fungus Neofabraea perennans Apple twigs showing symptoms of a perennial canker infection caused by Neofabraea perennans.
5371912 leaf shotholes Cylindrosporium spp.
5371913 leaf shotholes Cylindrosporium spp.
5371914 leaf shotholes Cylindrosporium spp.
5361969 Neofabraea fungus Neofabraea malicorticis An apple stem with symptoms of bull's-eye rot infection caused by Neofabraea malicorticis. This disease is also sometimes referred to as the northwestern anthracnose canker.
5361967 Neofabraea fungus Neofabraea malicorticis Apple twigs with symptoms of bull's-eye rot infection caused by Neofabraea malicorticis. This disease is also sometimes referred to as the northwestern anthracnose canker.
5361955 brown rots Monilinia spp. A mummy of the brown rot fungus Monilinia spp. on an infected peach tree. The fungus uses such mummified fruits as over-wintering structures.
5373827 white rot fungus Stromatinia gladioli
5373828 white rot fungus Stromatinia gladioli
5373829 white rot fungus Stromatinia gladioli
5373823 white rot fungus Stromatinia gladioli
5373824 white rot fungus Stromatinia gladioli
5373825 white rot fungus Stromatinia gladioli
5373826 white rot fungus Stromatinia gladioli
5373821 white rot fungus Stromatinia gladioli
5373822 white rot fungus Stromatinia gladioli
5373819 white rot fungus Stromatinia gladioli
5373820 white rot fungus Stromatinia gladioli
5373817 white rot fungus Stromatinia gladioli
5373818 white rot fungus Stromatinia gladioli
5373816 white rot fungus Stromatinia gladioli
5373812 white rot fungus Stromatinia gladioli
5373813 white rot fungus Stromatinia gladioli
5373814 white rot fungus Stromatinia gladioli
5373815 white rot fungus Stromatinia gladioli
5373811 white rot fungus Stromatinia gladioli
5373810 white rot fungus Stromatinia gladioli
5373809 white rot fungus Stromatinia gladioli Effect of fungus in field planting.
5373808 white rot fungus Stromatinia gladioli Effect of fungus in field planting.
5373805 white rot fungus Stromatinia gladioli Effect of fungus infestation.
5373806 white rot fungus Stromatinia gladioli
5373807 white rot fungus Stromatinia gladioli
5373802 white rot fungus Stromatinia gladioli
5373803 white rot fungus Stromatinia gladioli
5373804 white rot fungus Stromatinia gladioli
5373801 white rot fungus Stromatinia gladioli
5373799 white rot fungus Stromatinia gladioli
5373800 white rot fungus Stromatinia gladioli
5373798 white rot fungus Stromatinia gladioli
5373796 white rot fungus Stromatinia gladioli
5373797 white rot fungus Stromatinia gladioli
5373643 camellia flower blight Ciborinia camelliae
5373642 camellia flower blight Ciborinia camelliae
5373640 camellia flower blight Ciborinia camelliae
5373638 camellia flower blight Ciborinia camelliae
5373639 camellia flower blight Ciborinia camelliae
5373636 camellia flower blight Ciborinia camelliae
5373637 camellia flower blight Ciborinia camelliae
5373634 camellia flower blight Ciborinia camelliae
5373635 camellia flower blight Ciborinia camelliae
5359769 Sclerotinia rot Sclerotinia sclerotiorum White mold symptoms on an interspecifically crossed breeding lines of drybeans in the greenhouse.
1473189 Cenangium cankers Cenangium spp. canker high on bole
1263090 Scleroderris canker of pine and spruce Gremmeniella abietina Brown necrotic lesions at the basis of a bud
1263091 Scleroderris canker of pine and spruce Gremmeniella abietina Note the dead shoots
1473073 sooty bark Cenangium populinum
5359973 Sclerotinia rot Sclerotinia sclerotiorum A dry squash fruit containing the sclerotia of the white mold fungu (Sclerotinia sclerotiorum).
5357377 Sclerotinia rot Sclerotinia sclerotiorum A sunflower stem with severe white mold infection caused by Sclerotinia sclerotiorum in the fiield.
5360542 Sclerotinia rot Sclerotinia sclerotiorum White mold fungus (Sclerotinia sclerotiorum) inoculation on a zucchini squash field.
5360540 Sclerotinia rot Sclerotinia sclerotiorum White mold fungus (Sclerotinia sclerotiorum) inoculation on a zucchini squash field.
5360541 Sclerotinia rot Sclerotinia sclerotiorum White mold fungus (Sclerotinia sclerotiorum) inoculation on a zucchini squash field.
5360539 Sclerotinia rot Sclerotinia sclerotiorum White mold fungus (Sclerotinia sclerotiorum) inoculation on a zucchini squash field.
5360538 Sclerotinia rot Sclerotinia sclerotiorum White mold fungus (Sclerotinia sclerotiorum) inoculation on a zucchini squash field.
5360537 Sclerotinia rot Sclerotinia sclerotiorum A dry zucchini fruit infected with the white mold fungus Sclerotinia sclerotiorum. Please note the black sclerotia of the fungus.
5360536 Sclerotinia rot Sclerotinia sclerotiorum A dry zucchini fruit infected with the white mold fungus Sclerotinia sclerotiorum. Please note the black sclerotia of the fungus.
5360535 Sclerotinia rot Sclerotinia sclerotiorum Sclerotial inoculum of the white mold fungus Sclerotinia sclerotiorum  used for research on zucchini.
5360534 Sclerotinia rot Sclerotinia sclerotiorum A zucchini fruit infected with the white mold fungus Sclerotinia sclerotiorum in the field. Please note the fungal sclerotia on the fruit.
5360532 Sclerotinia rot Sclerotinia sclerotiorum A zucchini fruit infected with the white mold fungus Sclerotinia sclerotiorum in the field. Please note the fungal sclerotia on the fruit.
5360533 Sclerotinia rot Sclerotinia sclerotiorum A zucchini fruit infected with the white mold fungus Sclerotinia sclerotiorum in the field. Please note the fungal sclerotia on the fruit.
5360531 Sclerotinia rot Sclerotinia sclerotiorum A zucchini fruit infected with the white mold fungus Sclerotinia sclerotiorum in the field.
5360530 Sclerotinia rot Sclerotinia sclerotiorum A zucchini fruit infected with the white mold fungus Sclerotinia sclerotiorum in the field.
5360529 Sclerotinia rot Sclerotinia sclerotiorum A zucchini fruit infected with the white mold fungus Sclerotinia sclerotiorum in the field.
5360528 Sclerotinia rot Sclerotinia sclerotiorum Zucchini fruits infected with the white mold fungus Sclerotinia sclerotiorum in the field.
5360526 Sclerotinia rot Sclerotinia sclerotiorum Zucchini fruits infected with the white mold fungus Sclerotinia sclerotiorum in the field.
5360527 Sclerotinia rot Sclerotinia sclerotiorum Zucchini fruits infected with the white mold fungus Sclerotinia sclerotiorum in the field.
5360525 Sclerotinia rot Sclerotinia sclerotiorum Zucchini fruits infected with the white mold fungus Sclerotinia sclerotiorum in the field.
5360524 Sclerotinia rot Sclerotinia sclerotiorum Zucchini fruits infected with the white mold fungus Sclerotinia sclerotiorum in the field.
5372513 Entomosporium leaf spot Diplocarpon mespili
5372501 Entomosporium leaf spot Diplocarpon mespili
5372502 Entomosporium leaf spot Diplocarpon mespili
5372503 Entomosporium leaf spot Diplocarpon mespili
5372499 Entomosporium leaf spot Diplocarpon mespili
5372496 Entomosporium leaf spot Diplocarpon mespili
5372497 Entomosporium leaf spot Diplocarpon mespili
5372498 Entomosporium leaf spot Diplocarpon mespili
5371641 Entomosporium leaf spot Diplocarpon mespili
5372253 zonate leaf spot Grovesinia pyramidalis
5372254 zonate leaf spot Grovesinia pyramidalis
5372252 zonate leaf spot Grovesinia pyramidalis
5372246 zonate leaf spot Grovesinia pyramidalis
5372245 zonate leaf spot Grovesinia pyramidalis
5372244 zonate leaf spot Grovesinia pyramidalis
5372243 zonate leaf spot Grovesinia pyramidalis
5361739 Sclerotinia rot Sclerotinia sclerotiorum Squash specimens inoculated with the white mold fungus Sclerotinia sclerotiorum on a field.
5361738 Sclerotinia rot Sclerotinia sclerotiorum Inoculation of squash with the white mold fungus Sclerotinia sclerotiorum in the field.
5361737 Sclerotinia rot Sclerotinia sclerotiorum Inoculation of squash with the white mold fungus Sclerotinia sclerotiorum in the field.
5359185 Sclerotinia rot Sclerotinia sclerotiorum A carrot field with white mold infection caused by the fungus Sclerotinia sclerotiorum at Lucerne. Please note the white mold sclerotia (black bodies) beneath the carrot canopy.
5359184 Sclerotinia rot Sclerotinia sclerotiorum A carrot field with white mold infection caused by the fungus Sclerotinia sclerotiorum at Lucerne.
5359693 Sclerotinia snow mold Sclerotinia borealis Symptoms of snow scald infection, Sclerotinia (Myriosclerotinia) borealis, at the Breckenridge, Colorado, golf course in 1983.
5359694 Sclerotinia snow mold Sclerotinia borealis Research plots in a study of snow scald Sclerotinia (Myriosclerotinia) borealis, at the Breckenridge, Colorado, golf course in 1983.
5359692 Sclerotinia snow mold Sclerotinia borealis Signs of snow scald infection Sclerotinia (Myriosclerotinia) borealis, at the Breckenridge, Colorado, golf course in 1983.
1473152 Scleroderris canker of western firs Grovesiella abieticola
5356881 brown rots Monilinia spp. Plum showing signs of infection with black knot disease (Monilinia sp.).
5356789 Sclerotinia rot Sclerotinia sclerotiorum Carrot covered in white mold (Sclerotinia sclerotiorum).
5357376 Sclerotinia rot Sclerotinia sclerotiorum A sunflower plant with  white mold infection caused by Sclerotinia sclerotiorum in the field. The fungus mycellia are the white mass around the base of the stem.
5357375 Sclerotinia rot Sclerotinia sclerotiorum Sunflower plants with  white mold infection caused by Sclerotinia sclerotiorum in the field. The fungus mycellia are the white mass around the base of the stem.
5357374 Sclerotinia rot Sclerotinia sclerotiorum Sunflower plants showing symptoms of  white mold infection caused by Sclerotinia sclerotiorum in the field.
5357373 Sclerotinia rot Sclerotinia sclerotiorum Sunflower plants showing symptoms of  white mold infection caused by Sclerotinia sclerotiorum in the field.
5366829 Douglas-fir needlecast Rhabdocline pseudotsugae Close-up view of Douglas-fir needles showing symptoms of infection with Douglas-fir needlecast fungus (Rhabdocline pseudotsugae).
5357529 Sclerotinia rot Sclerotinia sclerotiorum Some bean pods showing signs of the white mlod fungus Sclerotinia sclerotiorum in the field.
5357523 Sclerotinia rot Sclerotinia sclerotiorum A culture plate of the white mold fungus Sclerotinia sclerotiorum in the laboratory.
5366828 Douglas-fir needlecast Rhabdocline pseudotsugae Douglas-fir branch showing symptoms of the needlecast fungus Rhabdocline pseudotsugae.
5366789 ink spot leaf blight Ciborinia whetzelii Signs and symptoms of ink spot leaf blight (Ciborinia whetzelii) on an aspen leaf.
5366788 ink spot leaf blight Ciborinia whetzelii Signs and symptoms of ink spot leaf blight (Ciborinia whetzelii) on an aspen leaf.
5366787 ink spot leaf blight Ciborinia whetzelii Signs and symptoms of ink spot leaf blight (Ciborinia whetzelii) on an aspen leaf.
5366786 ink spot leaf blight Ciborinia whetzelii Signs and symptoms of ink spot leaf blight (Ciborinia whetzelii) on an aspen leaf.
5366785 ink spot leaf blight Ciborinia whetzelii Signs and symptoms of ink spot leaf blight (Ciborinia whetzelii) on an aspen leaf.
5366686 sooty-bark canker Encoelia pruinosa Apothecia of sooty-bark canker (Encoelia pruinosa) on the trunks of aspen trees (Populus tremuloides).
5366685 sooty-bark canker Encoelia pruinosa Signs and symptoms of sooty-bark canker (Encoelia pruinosa) on the trunk of an aspen tree (Populus tremuloides).
5366684 sooty-bark canker Encoelia pruinosa Apothecia of sooty-bark canker (Encoelia pruinosa) on the trunk of an aspen tree (Populus tremuloides).  
5366683 sooty-bark canker Encoelia pruinosa Close-up view of signs and symptoms of sooty-bark canker (Encoelia pruinosa) on the trunks of aspen trees (Populus tremuloides).
5366682 sooty-bark canker Encoelia pruinosa Signs and symptoms of sooty-bark canker (Encoelia pruinosa) on the trunk of an aspen tree (Populus tremuloides).
5366681 sooty-bark canker Encoelia pruinosa Close-up view of signs and symptoms of sooty-bark canker (Encoelia pruinosa) on the trunk of an aspen tree (Populus tremuloides).
5359767 Sclerotinia rot Sclerotinia sclerotiorum White mold (Sclerotinia sclerotiorum) symptoms on some interspecifically crossed breeding lines of drybeans in the greenhouse.
5359768 Sclerotinia rot Sclerotinia sclerotiorum White mold (Sclerotinia sclerotiorum) symptoms on some interspecifically crossed breeding lines of drybeans in the greenhouse.
5359766 Sclerotinia rot Sclerotinia sclerotiorum White mold (Sclerotinia sclerotiorum) symptoms on some interspecifically crossed breeding lines of drybeans in the greenhouse.
5360612 Sclerotinia rot Sclerotinia sclerotiorum The colonization of a drybeans leaf by the white mold fungus Sclerotinia sclerotiorum in the field.
5360613 Sclerotinia rot Sclerotinia sclerotiorum The colonization of a drybeans leaf by the white mold fungus Sclerotinia sclerotiorum in the field.
5360611 Sclerotinia rot Sclerotinia sclerotiorum The apothecia of the white mold fungus Sclerotinia sclerotiorum on a drybeans field.
5365658 Sclerotinia rot Sclerotinia sclerotiorum An ARDEC plot layout for a white mold (Sclerotinia sclerotiorum) experiment on drybeans.
5365657 Sclerotinia rot Sclerotinia sclerotiorum An ARDEC plot layout for a white mold (Sclerotinia sclerotiorum) experiment on drybeans.
5361604 Sclerotinia rot Sclerotinia sclerotiorum Symptoms of white mold (Sclerotinia sclerotiorum) on the stem and branches of a dry bean plant.
5361603 Sclerotinia rot Sclerotinia sclerotiorum Symptoms of white mold (Sclerotinia sclerotiorum) on the stem and branches of a dry bean plant.
5363979 Sclerotinia rot Sclerotinia sclerotiorum Mycelium and sclerotia of white mold (Sclerotinia sclerotiorum) on the branch of a dry bean plant.
5363978 Sclerotinia rot Sclerotinia sclerotiorum Wilting and death of the bean canopy, an advanced symptom of infection with white mold (Sclerotinia sclerotiorum).
5363977 Sclerotinia rot Sclerotinia sclerotiorum Wilting of dry bean plants in the field, advanced symptoms of infection with white mold (Sclerotinia sclerotiorum).
5363976 Sclerotinia rot Sclerotinia sclerotiorum Wilting of a dry bean plant in the field, an initial symptom of infection with white mold (Sclerotinia sclerotiorum).
5363975 Sclerotinia rot Sclerotinia sclerotiorum Fallen blossoms of dry bean that have been colonized by white mold (Sclerotinia sclerotiorum).
5363974 Sclerotinia rot Sclerotinia sclerotiorum Apothecia of white mold (Sclerotinia sclerotiorum) and fallen leaves of dry bean that have been colonized by white mold.
5363973 Sclerotinia rot Sclerotinia sclerotiorum Apothecia of white mold (Sclerotinia sclerotiorum) and fallen blossoms of dry bean that have been colonized by white mold.
5363972 Sclerotinia rot Sclerotinia sclerotiorum Apothecia of white mold (Sclerotinia sclerotiorum) in a petri dish.
5363968 Sclerotinia rot Sclerotinia sclerotiorum Photomicrograph of the ascus and ascospores of white mold (Sclerotinia sclerotiorum), a disease of dry beans.
5361396 Sclerotinia rot Sclerotinia sclerotiorum Debris from screenings of culled beans, with sclerotia of white mold (Sclerotinia sclerotiorum) mixed among them.
5361395 Sclerotinia rot Sclerotinia sclerotiorum Advanced symptoms of white mold (Sclerotinia sclerotiorum) in the canopy of bean plants in the field.
5361394 Sclerotinia rot Sclerotinia sclerotiorum Advanced symptoms of white mold (Sclerotinia sclerotiorum) on the branches and pods of a bean plant.
5361393 Sclerotinia rot Sclerotinia sclerotiorum Advanced symptoms of white mold (Sclerotinia sclerotiorum) on the branches and pods of bean plants.
5361392 Sclerotinia rot Sclerotinia sclerotiorum Advanced symptoms of white mold (Sclerotinia sclerotiorum) on the branches and pods of a bean plant.
5361391 Sclerotinia rot Sclerotinia sclerotiorum Fallen bean blossom colonized by white mold (Sclerotinia sclerotiorum), with apothecia of white mold in the soil nearby.
5361390 Sclerotinia rot Sclerotinia sclerotiorum White mold (Sclerotinia sclerotiorum) apothecia.
5361389 Sclerotinia rot Sclerotinia sclerotiorum Bean pod and a bean blossom that have been colonized by white mold (Sclerotinia sclerotiorum).
5361388 Sclerotinia rot Sclerotinia sclerotiorum White mold (Sclerotinia sclerotiorum) apothecia.
5361387 Sclerotinia rot Sclerotinia sclerotiorum White mold (Sclerotinia sclerotiorum) apothecia.
5361386 Sclerotinia rot Sclerotinia sclerotiorum The sclerotia of whitemold Sclerotinia sclerotiorum in the laboratory.
5361385 Sclerotinia rot Sclerotinia sclerotiorum White mold symptoms on bean plants caused by Sclerotinia sclerotiorum (Lib.) de Bary in the field.
5361312 Sclerotinia rot Sclerotinia sclerotiorum Drybean plants showing symptoms of white mold caused by Sclerotinia sclerotiorum.
5357172 Sclerotinia rot Sclerotinia sclerotiorum Bean plants destroyed by white mold (Sclerotinia sclerotiorum).
5357613 Sclerotinia rot Sclerotinia sclerotiorum Straw technique used to inoculate experimental plants with white mold (Sclerotinia sclerotiorum) in the greenhouse.
5357612 Sclerotinia rot Sclerotinia sclerotiorum Straw technique used to inoculate experimental plants with Sclerotinia rot (Sclerotinia sclerotiorum).
1473193 Cenangium cankers Cenangium spp. abundant sprouts replacing older, diseased stems
1473086 Cenangium cankers Cenangium spp. inner bark deteriorates to a black, soot-like mass; 1961
1473072 Cenangium cankers Cenangium spp. infected mature stand
5052066 Scleroderris canker of pine and spruce Gremmeniella abietina
5044073 Scleroderris canker of pine and spruce Gremmeniella abietina
5044075 Scleroderris canker of pine and spruce Gremmeniella abietina
1492036 brown rot Monilinia fructicola
1492056 brown rot blossom blight and spur infection Monilinia laxa Blossom Blight Peach
1492004 brown rots Monilinia spp. Peach blossom blight
1492006 brown rots Monilinia spp. Peach blossom blight
1492007 brown rots Monilinia spp. apothecium
1492008 brown rots Monilinia spp. L13-38 Brown Rot Blossom blight
1492009 brown rots Monilinia spp. apothecia
1492011 brown rots Monilinia spp.
1492012 brown rots Monilinia spp.
1492013 brown rots Monilinia spp.
1492017 brown rots Monilinia spp.
1492136 Botryotinia blight Botryotinia fuckeliana
1496505 mummy berry Monilinia vaccinii-corymbosi Leaf blight and sporulation of mummyberry on blackberry
1496506 mummy berry Monilinia vaccinii-corymbosi Apothecia of mummy berry fungus
1496508 mummy berry Monilinia vaccinii-corymbosi Top to bottom: Normal, MB off plant, MB off ground
1496512 mummy berry Monilinia vaccinii-corymbosi
1496513 mummy berry Monilinia vaccinii-corymbosi
1496520 mummy berry Monilinia vaccinii-corymbosi
1496521 mummy berry Monilinia vaccinii-corymbosi Apothecia of Mummy Berry
1496522 mummy berry Monilinia vaccinii-corymbosi Apothecia of Mummy Berry
1496525 mummy berry Monilinia vaccinii-corymbosi
1496526 mummy berry Monilinia vaccinii-corymbosi
1496527 mummy berry Monilinia vaccinii-corymbosi Mummyberry leaf blight on Blueberry
1496533 mummy berry Monilinia vaccinii-corymbosi Mummy berry leaf flower blight
1496534 mummy berry Monilinia vaccinii-corymbosi
1496535 mummy berry Monilinia vaccinii-corymbosi
1496536 mummy berry Monilinia vaccinii-corymbosi Apothecia of mummy berry
1493089 alfalfa leaf spot Pseudopeziza medicaginis
1493078 yellow leaf blotch Pseudopeziza jonesii
1493044 yellow leaf blotch Pseudopeziza jonesii Red leaf
1492001 brown rots Monilinia spp. Peach blossom blight
1492002 brown rots Monilinia spp. Peach blossom blight
1492003 brown rots Monilinia spp. Peach blossom blight
1473276 Atropellis canker Atropellis piniphila 8/1/1964 Lincoln Co., Mescalero Apache Indian Reservation
1473277 Atropellis canker Atropellis piniphila 8/1/1964 Lincoln Co., Mescalero Apache Indian Reservation
1473278 Atropellis canker Atropellis piniphila 8/1/1964 Lincoln Co., Mescalero Apache Indian Reservation
1473267 Hemiphacidium fungus Hemiphacidium planum photomicrograph
5267031 Idriella root rot Idriella spp. micrograph
5267015 Idriella root rot Idriella spp. conidia
5264089 black spot Diplocarpon rosae
5264090 black spot Diplocarpon rosae
5264091 black spot Diplocarpon rosae
5264092 black spot Diplocarpon rosae
5264093 black spot Diplocarpon rosae
5264094 black spot Diplocarpon rosae
5264095 black spot Diplocarpon rosae
5264097 black spot Diplocarpon rosae
5264098 black spot Diplocarpon rosae
5264099 black spot Diplocarpon rosae
5264100 black spot Diplocarpon rosae
5265001 black spot Diplocarpon rosae
5265002 black spot Diplocarpon rosae
5265003 black spot Diplocarpon rosae
5265004 black spot Diplocarpon rosae
5265005 black spot Diplocarpon rosae
5265006 black spot Diplocarpon rosae
5265007 black spot Diplocarpon rosae
5265008 black spot Diplocarpon rosae
5265009 black spot Diplocarpon rosae
5265010 black spot Diplocarpon rosae
5265011 black spot Diplocarpon rosae
5265012 black spot Diplocarpon rosae
5265013 black spot Diplocarpon rosae
5265014 black spot Diplocarpon rosae
5265015 black spot Diplocarpon rosae
5267012 black spot Diplocarpon rosae
5267013 black spot Diplocarpon rosae
5267014 black spot Diplocarpon rosae
5264080 camellia flower blight Ciborinia camelliae
5264079 camellia flower blight Ciborinia camelliae
5264078 camellia flower blight Ciborinia camelliae
5261080 Sclerotinia rot Sclerotinia sclerotiorum
5261081 Sclerotinia rot Sclerotinia sclerotiorum
5261083 Sclerotinia rot Sclerotinia sclerotiorum
5262016 dollar spot Sclerotinia homoeocarpa
5262017 dollar spot Sclerotinia homoeocarpa
5262018 dollar spot Sclerotinia homoeocarpa
5262019 dollar spot Sclerotinia homoeocarpa
5262023 dollar spot Sclerotinia homoeocarpa
5262024 dollar spot Sclerotinia homoeocarpa
5262025 dollar spot Sclerotinia homoeocarpa
5262026 dollar spot Sclerotinia homoeocarpa
5262027 dollar spot Sclerotinia homoeocarpa
5262028 dollar spot Sclerotinia homoeocarpa
5262029 dollar spot Sclerotinia homoeocarpa
5262030 dollar spot Sclerotinia homoeocarpa
5262031 dollar spot Sclerotinia homoeocarpa
5258072 Sclerotinia rot Sclerotinia sclerotiorum
5258073 Sclerotinia rot Sclerotinia sclerotiorum
5258078 Sclerotinia rot Sclerotinia sclerotiorum
5258079 Sclerotinia rot Sclerotinia sclerotiorum
5258080 Sclerotinia rot Sclerotinia sclerotiorum
5258081 Sclerotinia rot Sclerotinia sclerotiorum
5258082 Sclerotinia rot Sclerotinia sclerotiorum
5258083 Sclerotinia rot Sclerotinia sclerotiorum
5258084 Sclerotinia rot Sclerotinia sclerotiorum
5258085 Sclerotinia rot Sclerotinia sclerotiorum
5258086 Sclerotinia rot Sclerotinia sclerotiorum
5258087 Sclerotinia rot Sclerotinia sclerotiorum
5258088 Sclerotinia rot Sclerotinia sclerotiorum
5258089 Sclerotinia rot Sclerotinia sclerotiorum
5258090 Sclerotinia rot Sclerotinia sclerotiorum
5258091 Sclerotinia rot Sclerotinia sclerotiorum
5258092 Sclerotinia rot Sclerotinia sclerotiorum
5258069 Sclerotinia rot Sclerotinia sclerotiorum
5258070 Sclerotinia rot Sclerotinia sclerotiorum
5258071 Sclerotinia rot Sclerotinia sclerotiorum
5258074 Sclerotinia rot Sclerotinia sclerotiorum
5258075 Sclerotinia rot Sclerotinia sclerotiorum
5258076 Sclerotinia rot Sclerotinia sclerotiorum
5258077 Sclerotinia rot Sclerotinia sclerotiorum
5223012 brown rot Monilinia fructicola
5223013 brown rot Monilinia fructicola
5223014 brown rot Monilinia fructicola
5223015 brown rot Monilinia fructicola
5220092 black spot Diplocarpon rosae
5220093 black spot Diplocarpon rosae
5220094 black spot Diplocarpon rosae
5265035 dollar spot Sclerotinia homoeocarpa
5265036 dollar spot Sclerotinia homoeocarpa
5267016 Idriella root rot Idriella spp. conidia
5267017 Idriella root rot Idriella spp. conidia
5267018 Idriella root rot Idriella spp. conidia
5267019 Idriella root rot Idriella spp. micrograph
5267020 Idriella root rot Idriella spp. micrograph
5267021 Idriella root rot Idriella spp. conidia
5267022 Idriella root rot Idriella spp. conidia
5267023 Idriella root rot Idriella spp. micrograph
5267024 Idriella root rot Idriella spp. micrograph
5267025 Idriella root rot Idriella spp. conidia
5267026 Idriella root rot Idriella spp. micrograph
5267027 Idriella root rot Idriella spp. conidia
5267028 Idriella root rot Idriella spp. micrograph
5267029 Idriella root rot Idriella spp. conidia
5267030 Idriella root rot Idriella spp. micrograph
5267032 Idriella root rot Idriella spp. conidia
5267033 Idriella root rot Idriella spp. micrograph
5267034 Idriella root rot Idriella spp. conidia
1503017 needle blight of cedar Didymascella thujina Needle blight; red cedar
1503018 needle blight of cedar Didymascella thujina Needle blight; red cedar
1503019 needle blight of cedar Didymascella thujina Needle blight; red cedar; pycnidia
1503020 needle blight of cedar Didymascella thujina Needle blight; red cedar; pycnidia
5029066 Scleroderris canker of pine and spruce Gremmeniella abietina
5029065 Scleroderris canker of pine and spruce Gremmeniella abietina Lower branches on red pine killed by Gremmeniella abietina.
5028072 blue stain Chlorociboria aeruginascens This fungus causes a blue-green stain in wood. It is not related to the usual blue-stain fungi (Ceratocystis and allies).
5028073 blue stain Chlorociboria aeruginascens Blue-green stain characteristic of that caused by this species.
1479017 Scleroderris canker of pine and spruce Gremmeniella abietina Classic symptom of lower branch mortality due to the Lake States strain of scleroderris canker. Photo taken in a landscape depression on the Ottawa National Forest, Michigan. Lower branches were below snow line at this site.
5058043 Rhabdocline needlecast Rhabdocline weirii
5058044 Rhabdocline needlecast Rhabdocline weirii asci
1317033 dollar spot Sclerotinia homoeocarpa Close-up of dollar spot damage on Kentucky bluegrass.
1317032 dollar spot Sclerotinia homoeocarpa Dollar spot, seen here on creeping bentgrass, is one of the two most troublesome diseases of golf course grasses.
1235046 brown rot Monilinia fructicola
1236074 brown rot Monilinia fructicola
5027028 Sclerotinia rot Sclerotinia sclerotiorum
5027029 Sclerotinia rot Sclerotinia sclerotiorum
5027030 Sclerotinia rot Sclerotinia sclerotiorum
5026056 black spot Diplocarpon rosae conidia
5021067 needle blight of hemlock Fabrella tsugae
5021068 needle blight of hemlock Fabrella tsugae
5021069 needle blight of hemlock Fabrella tsugae
5021070 needle blight of hemlock Fabrella tsugae
5021071 needle blight of hemlock Fabrella tsugae
5076070 Botrytis leaf blight Botrytis squamosa Lesions appear as small, sunken, light tan areas surrounded by pale green tissue or "ghost halos".
5077035 Sclerotinia rot Sclerotinia sclerotiorum Grayish, white mold observed usually at base of plant. Black "raisin" like structures observed in latter stages of development. Plant will collapse in latter stages.
5076078 Sclerotinia rot Sclerotinia sclerotiorum White, fluffy mycelia grow on surface and form black sclerotia. Tissue turns tannish or gray and is highly deteriorated. Looks like cottony leak (Pythium) but occurs during cool weather.
5077018 Sclerotinia rot Sclerotinia sclerotiorum Entire head begins to collapse with white fungal growth observed. Black, raisin-like structures observed in latter stages of development.powerpo
5077070 Sclerotinia rot Sclerotinia sclerotiorum Grayish, white mold forms at the base of stem. Black "raisin" like structures appear as disease progresses. Can extend underground to the root.o
5058042 Rhabdocline needlecast Rhabdocline weirii
5044072 Scleroderris canker of pine and spruce Gremmeniella abietina
5049031 Blumeriella leaf spot of cherry and plum Blumeriella jaapii
5049032 Blumeriella leaf spot of cherry and plum Blumeriella jaapii
5046022 Rhabdocline needlecasts Rhabdocline spp.
5058041 Rhabdocline needlecast Rhabdocline weirii ascospores
5049073 blue stain Chlorociboria aeruginascens
5033043 blue stain Chlorociboria aeruginascens
5033044 blue stain Chlorociboria aeruginascens
5033023 yellow fairy cups Bisporella citrina
1467399 common snow mold Phacidium infestans
1467373 Douglas-fir needlecast Rhabdocline pseudotsugae
1467374 Douglas-fir needlecast Rhabdocline pseudotsugae
1467375 Douglas-fir needlecast Rhabdocline pseudotsugae
1467143 Atropellis canker Atropellis pinicola pycnidial stromata
1406091 Scleroderris canker of pine and spruce Gremmeniella abietina fungicide tests
1406092 Scleroderris canker of pine and spruce Gremmeniella abietina fungicide tests
1301002 Chlorociboria fungus Chlorociboria aeruginosa Smal cap fungus that grows on dead wood
1241743 Lachnellula canker Lachnellula flavovirens Lachnellula canker causing topkill of a larch sapling.
1241710 Atropellis canker Atropellis piniphila Black staining of the sapwood beneath an Atropellis canker helps distinguish it from other stem cankers.
1241578 common snow mold Phacidium infestans Snow blight kills needles under snow. Small black dots of fruiting bodies are in two lines on either side of the midrib on the underside of needles.
1233035 black spot Diplocarpon rosae
1442041 Atropellis canker Atropellis piniphila Glacier National Park, Montana
1442047 Scleroderris canker of pine and spruce Gremmeniella abietina
1436041 clover leaf spot Pseudopeziza trifolii
2666002 zonate leaf spot Grovesinia pyramidalis early symptoms begins as small gray to light brown spots on the leaflets
2251016 Atropellis canker Atropellis piniphila cross-section of canker
2251026 Atropellis canker Atropellis piniphila stained wood beneath canker
2251012 Atropellis canker Atropellis piniphila
2251027 Dasyscypha cankers Lachnellula spp.
2251029 Dasyscypha cankers Lachnellula spp. terminal shoot infections
4215056 sooty-bark canker Encoelia pruinosa apothecia
4215057 Cenangium limb canker Cenangium ferruginosum characteristic flecking of wood under bark
0590021 Cenangium limb canker Cenangium ferruginosum on white pine

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