| 5030037 |
maple |
Acer spp. |
Sugar maple and red maple (Acer saccharum, A. rubrum) in fall color. |
| 1427028 |
sudden oak death |
Phytophthora ramorum |
China Camp State Park, California |
| 5046011 |
California white oak |
Quercus lobata |
|
| 1397039 |
topping |
|
Poor maintenance practice |
| 1427068 |
sudden oak death |
Phytophthora ramorum |
Dried ooze caused by bleeding from P. ramorum infection on coast live oak. |
| 1427003 |
sudden oak death |
Phytophthora ramorum |
|
| 1427001 |
sudden oak death |
Phytophthora ramorum |
|
| 1427054 |
sudden oak death |
Phytophthora ramorum |
Canker and zone lines caused by P. ramorum. |
| 1301077 |
American elm |
Ulmus americana |
Street lined with mature, healthy American elm. |
| 1301076 |
Dutch elm disease |
Ophiostoma ulmi |
Crown symptoms of Dutch elm disease on a large street tree. |
| 1427102 |
sudden oak death |
Phytophthora ramorum |
Bark cracks and bleeding on coast live oak. |
| 1427095 |
sudden oak death |
Phytophthora ramorum |
Coast live oak mortality from P. ramorum infection at China Camp State Park, CA. |
| 1427071 |
sudden oak death |
Phytophthora ramorum |
Coast live oak dying from P. ramorum infection, China Camp State Park, CA. |
| 1427048 |
sudden oak death |
Phytophthora ramorum |
Tanoak dying from P. ramorum infection, Muir Woods State Park, CA. |
| 1427050 |
sudden oak death |
Phytophthora ramorum |
Tanoak sprouts dying from P. ramorum infection. |
| 1427052 |
sudden oak death |
Phytophthora ramorum |
Tanoak dying from P. ramorum infection, Muir Woods State Park, CA. |
| 1427046 |
sudden oak death |
Phytophthora ramorum |
|
| 1427047 |
sudden oak death |
Phytophthora ramorum |
Tip dieback caused by P. ramorum on tanoak. |
| 1427034 |
sudden oak death |
Phytophthora ramorum |
|
| 1427035 |
sudden oak death |
Phytophthora ramorum |
Big Sur, California |
| 1427033 |
sudden oak death |
Phytophthora ramorum |
|
| 1427041 |
sudden oak death |
Phytophthora ramorum |
Big Sur, California |
| 1427020 |
sudden oak death |
Phytophthora ramorum |
Big Sur, California |
| 1427021 |
sudden oak death |
Phytophthora ramorum |
Big Sur, California |
| 1427023 |
sudden oak death |
Phytophthora ramorum |
Big Sur, California |
| 1427019 |
sudden oak death |
Phytophthora ramorum |
Big Sur, California |
| 1427004 |
sudden oak death |
Phytophthora ramorum |
|
| 1427016 |
sudden oak death |
Phytophthora ramorum |
Big Sur, California |
| 1427109 |
sudden oak death |
Phytophthora ramorum |
|
| 1301046 |
emerald ash borer |
Agrilus planipennis |
|
| 1427022 |
sudden oak death |
Phytophthora ramorum |
Big Sur, California |
| 1427051 |
sudden oak death |
Phytophthora ramorum |
Tanoak sprouts dying from P. ramorum infection. |
| 1301045 |
emerald ash borer |
Agrilus planipennis |
|
| 1427080 |
sudden oak death |
Phytophthora ramorum |
Tanoak dying from P. ramorum infection, Muir Woods State Park, CA. |
| 1427096 |
sudden oak death |
Phytophthora ramorum |
Tanoak dying from P. ramorum infection at Muir Woods. |
| 1427049 |
sudden oak death |
Phytophthora ramorum |
Tanoak dying from P. ramorum infection. |
| 1427110 |
sudden oak death |
Phytophthora ramorum |
|
| 1427083 |
sudden oak death |
Phytophthora ramorum |
Zone lines of P. ramorum on coast live oak. |
| 1427030 |
sudden oak death |
Phytophthora ramorum |
|
| 1427036 |
sudden oak death |
Phytophthora ramorum |
|
| 1427112 |
sudden oak death |
Phytophthora ramorum |
|
| 1301042 |
emerald ash borer |
Agrilus planipennis |
Crown symptoms in ash following attack |
| 1427053 |
sudden oak death |
Phytophthora ramorum |
Tip symptoms on tanoak seedling, caused by P. ramorum. |
| 1427113 |
sudden oak death |
Phytophthora ramorum |
|
| 1427101 |
sudden oak death |
Phytophthora ramorum |
|
| 1427094 |
sudden oak death |
Phytophthora ramorum |
Coast live oak dying from P. ramorum infection. |
| 1427093 |
sudden oak death |
Phytophthora ramorum |
P. ramorum symptoms on Rhododendron in central CA. Leaves were confirmed as infected with P. ramorum by Jenny Davidson. |
| 1427069 |
sudden oak death |
Phytophthora ramorum |
Signs of bleeding caused by P. ramorum infection on lichen-covered bark of coast live oak. |
| 1427018 |
sudden oak death |
Phytophthora ramorum |
Big Sur, California |
| 1427070 |
sudden oak death |
Phytophthora ramorum |
Residual signs of bleeding caused by P. ramorum infection on bark surface lichens. |
| 1427092 |
sudden oak death |
Phytophthora ramorum |
P. ramorum leaf symptoms on California laurel (bay). |
| 1427017 |
sudden oak death |
Phytophthora ramorum |
Big Sur, California |
| 1427005 |
sudden oak death |
Phytophthora ramorum |
|
| 1427044 |
tanoak |
Lithocarpus densiflorus |
|
| 1427002 |
sudden oak death |
Phytophthora ramorum |
|
| 1427103 |
sudden oak death |
Phytophthora ramorum |
Tip droop symptom of sudden oak death on tanoak. |
| 1427086 |
sudden oak death |
Phytophthora ramorum |
Coast live oak dying from P. ramorum infection. |
| 1427064 |
sudden oak death |
Phytophthora ramorum |
Coast live oak dying from P. ramorum infection. |
| 1427074 |
sudden oak death |
Phytophthora ramorum |
Big Sur, California |
| 1427090 |
sudden oak death |
Phytophthora ramorum |
Tanoak dying from P. ramorum infection, Muir Woods State Park, CA. |
| 1427045 |
sudden oak death |
Phytophthora ramorum |
Tip dieback symptoms caused by P. ramorum on tanoak. |
| 1427075 |
sudden oak death |
Phytophthora ramorum |
Tip blight symptoms on tanoak caused by P. ramorum. |
| 1427099 |
sudden oak death |
Phytophthora ramorum |
Tip blight symptoms of sudden oak death on tanoak. |
| 1301044 |
emerald ash borer |
Agrilus planipennis |
|
| 1397017 |
American elm |
Ulmus americana |
|
| 1397045 |
cracks or splits |
|
split crotch and chain |
| 5062004 |
eastern white pine |
Pinus strobus |
An eastern white pine, planted too close to a house |
| 5062028 |
frost and winter injury (general) |
|
Winter injury in transplanted pine |
| 5062008 |
inrolled crack |
|
A spiral crack in a tree |
| 5042052 |
ash yellows phytoplasma |
Candidatus Phytoplasma fraxini |
Witches' broom on white ash |
| 5047024 |
decay |
|
Severe decay in a willow. |
| 5037060 |
root lifting, soil heaving, and windthrow |
|
Ash windthrown during a severe windstorm. |
| 5037061 |
root lifting, soil heaving, and windthrow |
|
Ash windthrown during a severe windstorm, in a city park. |
| 5042057 |
root lifting, soil heaving, and windthrow |
|
Ash windthrow in a city park. |
| 5042056 |
root lifting, soil heaving, and windthrow |
|
Windthrow of ash in a city park. |
| 5037062 |
root lifting, soil heaving, and windthrow |
|
Ash windthrown during a severe windstorm, in a city park. |
| 5062017 |
frost and winter injury (general) |
|
Winter injury to spruce |
| 5062023 |
frost and winter injury (general) |
|
Winter injury to yourn landscape pine |
| 5062024 |
frost and winter injury (general) |
|
Winter injury in recently transplanted pine |
| 5062025 |
frost and winter injury (general) |
|
Winter injury in transplanted pine |
| 5062026 |
frost and winter injury (general) |
|
Winter injury in transplanted pine |
| 5062027 |
frost and winter injury (general) |
|
Winter injury in transplanted pine |
| 5047023 |
willow |
Salix spp. |
Mature willow |
| 1427039 |
sudden oak death |
Phytophthora ramorum |
|
| 1427072 |
sudden oak death |
Phytophthora ramorum |
Coast live oak infected with P. ramorum. |
| 1427105 |
sudden oak death |
Phytophthora ramorum |
Symptom progression on coast live oaks, from wilting to dead. |
| 1427043 |
tanoak |
Lithocarpus densiflorus |
|
| 1397047 |
wind |
|
storm aftermath |
| 1427042 |
tanoak |
Lithocarpus densiflorus |
|
| 1427037 |
Hypoxylon canker |
Annulohypoxylon thouarsianum var. thouarsianum |
a sapwood decay fungus that is also commonly isolated from Sudden Oak Death - affected oak trees, although it is also found on trees not affected by SOD. The presence of the half-dome-shaped fruiting bodies are indicative of advanced stages of SOD. Newly formed fruiting bodies are olive greenish or shiny black and release powdery green spores upon contact. Older fruiting bodies are dull black. |
| 1427006 |
sudden oak death |
Phytophthora ramorum |
|
| 5041011 |
snow and ice damage (snow load) |
|
A snowy tree-lined street with American elm and green ash |
| 5041026 |
snow and ice damage (snow load) |
|
An urban, snow covered tree |
| 5041028 |
snow and ice damage (snow load) |
|
A snowy street scene |
| 5041029 |
snow and ice damage (snow load) |
|
A snowy park in winter |
| 5058047 |
tar spot |
Rhytisma punctatum |
Sporocarps on leaves |
| 5040068 |
oak wilt |
Ceratocystis fagacearum |
Red oak with oak wilt, shedding leaves and marked for removal |
| 5038080 |
risk tree |
|
Tree with large defect caused by failed codominant branch. |
| 5045010 |
risk tree |
|
Large broken branches in silver maple |
| 5045009 |
risk tree |
|
Codominant branch failure in bur oak |
| 5039011 |
Norway maple |
Acer platanoides |
A large urban tree with interesting architecture, in dormant season |
| 5039009 |
burl and decay |
|
A large burl in American elm |
| 5055015 |
Eutypella canker |
Eutypella parasitica |
A very large Eutypella canker in Norway maple, in an urban setting |
| 5045012 |
bur oak |
Quercus macrocarpa |
Large horizontal branch development in bur oak |
| 5055024 |
Leucostoma canker of spruce |
Leucostoma kunzei |
Branch mortality in blue spruce caused by Leucostoma canker |
| 5056013 |
Eutypella canker |
Eutypella parasitica |
Canker on pole-sized tree |
| 5252019 |
smaller European elm bark beetle |
Scolytus multistriatus |
Galleries of the smaller European elm bark beetle in American elm |
| 5252020 |
Dutch elm disease (novi-ulmi) |
Ophiostoma novo-ulmi |
Fruiting bodies of Ophiostoma novo-ulmi in bark beetle galleries of Scolytus multistriatus on American elm. |
| 5252021 |
smaller European elm bark beetle |
Scolytus multistriatus |
Gallery of Scolytus multistriatus in American elm. |
| 5051056 |
transplant shock |
|
Transplant shock (drought symptoms) in an urban tree. |
| 5051063 |
elm leafminer |
Kaliofenusa ulmi |
Elm leaf miner injury. |
| 5051064 |
elm leafminer |
Kaliofenusa ulmi |
Elm leaf miner. |
| 5051065 |
elm leafminer |
Kaliofenusa ulmi |
|
| 5051066 |
elm leafminer |
Kaliofenusa ulmi |
|
| 5038066 |
American elm |
Ulmus americana |
An elm-lined street in St. Paul, MN, before most of the trees were killed by Dutch elm disease. |
| 5038067 |
American elm |
Ulmus americana |
An elm-lined street in St. Paul, MN, before most of the trees were killed by Dutch elm disease. |
| 5038068 |
American elm |
Ulmus americana |
American elm lining a street at the Minnesota State Fairgrounds. |
| 5051074 |
Eriophyid mite |
|
Eriophyid mites on red maple leaves |
| 5051075 |
Eriophyid mite |
|
Eriophyid mites on silver maple leaves. |
| 5052023 |
frost and winter injury (general) |
|
Oak leaves distorted by a late frost. |
| 5052024 |
frost and winter injury (general) |
|
Oak leaves distorted by a late frost. |
| 5052026 |
frost and winter injury (general) |
|
Oak leaves distorted by frost. |
| 5052028 |
frost and winter injury (general) |
|
Oak leaves distorted by frost. |
| 5038074 |
oak wilt |
Ceratocystis fagacearum |
Oak wilt crown symptoms. |
| 5053047 |
American elm |
Ulmus americana |
An open-grown American elm |
| 5053038 |
eastern white pine |
Pinus strobus |
A very large white pine at the headquarters of the Apostle Islands National Lakeshore. |
| 5298033 |
sapsucker injury |
|
Sapsucker injury on white birch. |
| 5037097 |
ice storm |
|
Ice on river birch in urban landscape. |
| 5043010 |
rust |
Chrysomyxa ledi var. rhododendri |
Spruce needle rust, heavy infection. |
| 5043046 |
Armillaria root rots |
Armillaria spp. |
Windthrow caused by Armillaria root rot in a large bur oak on a golf course. |
| 5049009 |
birch leafminer |
Fenusa pusilla |
|
| 5049010 |
birch leafminer |
Fenusa pusilla |
|
| 5049011 |
birch leafminer |
Fenusa pusilla |
|
| 5049012 |
birch leafminer |
Fenusa pusilla |
|
| 5043044 |
branch union |
|
Strong branch attachment in bur oak. |
| 5059088 |
transplant shock |
|
transplant injury |
| 5044001 |
American sycamore |
Platanus occidentalis |
Sycamore leaves and fruit. |
| 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) |
| 5034061 |
oak wilt |
Ceratocystis fagacearum |
Vibratory plow with a five foot blade, used for disrupting root graft connections for control of oak wilt. Entomologist Jim Hanson on the Cat |
| 5034067 |
eastern white pine |
Pinus strobus |
A large white pine at the headquarters of the Apostle Islands National Lakeshore office |
| 5034071 |
littleleaf linden |
Tilia cordata |
|
| 5034072 |
littleleaf linden |
Tilia cordata |
|
| 5034073 |
littleleaf linden |
Tilia cordata |
|
| 5034082 |
dieback |
|
Small branch dieback in red maple in an urban landscape |
| 5033002 |
slime flux |
|
Slime flux associated with bacterial wetwood in elm. Associated with a number of bacteria. |
| 1397114 |
pruning (general) |
|
young tree in need of pruning |
| 1397122 |
pruning (general) |
|
Excessive branch crossing. Tree needs a thinning cut. |
| 5032067 |
yellow birch decline |
|
Dieback in the crowns of yellow birch, instigated by drought. |
| 5033003 |
slime flux |
|
Slime flux associated with bacterial wetwood in American elm. Associatd with several species of bacteria. |
| 5033067 |
dieback |
|
Moderate dieback in the crown of a bur oak. |
| 5033039 |
storm damage (general) |
|
Tree damaged by high winds |
| 5033091 |
American elm |
Ulmus americana |
An American elm with a fluted trunk. |
| 5033080 |
Diplodia blight |
Sphaeropsis sapinea |
Diplodia shoot blight on red pine on poor site. |
| 5033090 |
Dutch elm disease (novi-ulmi) |
Ophiostoma novo-ulmi |
American elm with DED symptoms marked for removal. |
| 5033093 |
epicormic branch |
|
Epicormic branches arising after pruning in green ash. |
| 5033099 |
Eutypella canker |
Eutypella parasitica |
A Eutypella canker ("cobra-head" canker) on sugar |
| 5033100 |
Eutypella canker |
Eutypella parasitica |
A large Eutypella canker on sugar maple. |
| 5034019 |
common hackberry |
Celtis occidentalis |
|
| 5037075 |
decay |
|
Green ash with central stem decay. This open-grown green ash tree failed in a windstorm. |
| 5031068 |
Rhizosphaera needle cast |
Rhizosphaera kalkhoffii |
|
| 1427077 |
unknown |
|
Non-SOD leaf symptoms on Rhododendron in CA (causal agent unknown). |
| 5031055 |
Rhizosphaera needle cast |
Rhizosphaera kalkhoffii |
Rhizosphaera needle cast on white spruce. Off color foliage. |
| 5251047 |
ash root rot |
Scytinostroma galactinum |
Root rot in white ash caused by Scytinostroma galactinum. Note the wefts of mycelial material on the surface of the tip-up mound. |
| 5033001 |
crown gall |
Rhizobium radiobacter |
Agrobacterium galls on roots. |
| 5033086 |
Dutch elm disease |
Ophiostoma ulmi |
|
| 5031050 |
Rhizosphaera needle cast |
Rhizosphaera kalkhoffii |
Rhizosphaera needle cast associated with a decline of white spruce in Wisconsin |
| 5031053 |
Rhizosphaera needle cast |
Rhizosphaera kalkhoffii |
Rhizosphaera needle cast on lower branches of white spruce. |
| 5031054 |
Rhizosphaera needle cast |
Rhizosphaera kalkhoffii |
Rhizosphaera needle cast on white spruce windbreaks in a nursery. |
| 5031060 |
Rhizosphaera needle cast |
Rhizosphaera kalkhoffii |
Off color foliage infected with Rhizosphaera kalkhoffii. |
| 5033008 |
fir broom rust |
Melampsorella caryophyllacearum |
Aecia of M. caryophyllacearum |
| 5043088 |
urban planting |
|
Note the rope still surrounding the base of the tree. This should have been removed when the tree was planted. |
| 5043091 |
pruning (general) |
|
Properly pruned tree, with a closed pruning wound. Also shows a strong, u-shaped branch crotch. |
| 5048034 |
included bark |
|
Bad branch angle with included bark |
| 5050088 |
Diplodia blight |
Sphaeropsis sapinea |
Main stem Diplodia infection on jack pine. |
| 5051052 |
dodder |
Cuscuta spp. |
Dodder on small oak tree in west-centeral Mexico |
| 5251041 |
ash decline |
|
Decline symptoms in ash tree in Iowa. |
| 1198011 |
oak tatters |
|
Recent research has shown that oak tatters is probably caused by herbicide drift. Leaves affected by this syndrome have a shredded or tattered appearance. |
| 1198028 |
Eastern filbert blight |
Anisogramma anomala |
Can cause extensive damage in hazelnut plantations. |
| 5044021 |
Diplodia blight |
Sphaeropsis sapinea |
discoloration |
| 5044022 |
Diplodia blight |
Sphaeropsis sapinea |
|
| 5045006 |
oak wilt |
Ceratocystis fagacearum |
|
| 5031070 |
weeping willow |
Salix babylonica |
|
| 5050086 |
Diplodia blight |
Sphaeropsis sapinea |
|
| 5051001 |
Diplodia blight |
Sphaeropsis sapinea |
|
| 5051002 |
Diplodia blight |
Sphaeropsis sapinea |
|
| 5051003 |
Diplodia blight |
Sphaeropsis sapinea |
|
| 5051004 |
Diplodia blight |
Sphaeropsis sapinea |
|
| 5047077 |
black knot |
Apiosporina morbosa |
Heavy infection of cherry by black knot |
| 5048015 |
poor architecture |
|
Hackberry with failed branches caused by bad branch architecture. |
| 5032094 |
white ash |
Fraxinus americana |
winter buds |
| 5047051 |
smooth patch of oak |
Aleurodiscus oakesii |
Several smooth patch areas on white oak |
| 5047074 |
black knot |
Apiosporina morbosa |
Sporulating galls of the black knot fungus. |
| 5031024 |
bur oak |
Quercus macrocarpa |
|
| 5031025 |
bur oak |
Quercus macrocarpa |
|
| 5031045 |
snow and ice damage (snow load) |
|
Heavy snows can bend branches and cause cracks that allow diseases like Diplodia shoot blight to enter the tree. |
| 5030094 |
false tinder polypore |
Phellinus igniarius |
|
| 5030095 |
false tinder polypore |
Phellinus igniarius |
|
| 5030100 |
white heartwood rot |
Phellinus tremulae |
|
| 5031004 |
red pine |
Pinus resinosa |
|
| 5031022 |
black cherry |
Prunus serotina |
|
| 5030044 |
Neonectria canker |
Neonectria galligena |
Sporocarps of one of the fungi that are involved in beech bark disease. |
| 5030046 |
oak anthracnose |
Apiognomonia errabunda |
|
| 5030047 |
oak anthracnose |
Apiognomonia errabunda |
|
| 5029025 |
emerald ash borer |
Agrilus planipennis |
Standing dead ash killed by EAB in southestern Michigan. |
| 5029026 |
emerald ash borer |
Agrilus planipennis |
Ash killed by EAB in southeastern Michigan. |
| 5029029 |
northern red oak |
Quercus rubra |
Emerging red oak leaves. |
| 5029030 |
northern red oak |
Quercus rubra |
Emerging leaves of a tree in the red oak group. |
| 5029037 |
European pine sawfly |
Neodiprion sertifer |
|
| 5029039 |
European pine sawfly |
Neodiprion sertifer |
|
| 5029040 |
European pine sawfly |
Neodiprion sertifer |
|
| 5029041 |
Eutypella canker |
Eutypella parasitica |
"Cobra-head" canker. |
| 5029042 |
Eutypella canker |
Eutypella parasitica |
A large canker on the main stem of a sugar maple |
| 5029043 |
Eutypella canker |
Eutypella parasitica |
A main stem canker |
| 5029044 |
Eutypella canker |
Eutypella parasitica |
Severe deformation of a tree caused by Eutypella parasitica. |
| 5029045 |
Eutypella canker |
Eutypella parasitica |
Swollen, deformed stem at site of canker. |
| 5030032 |
Cytospora canker of spruce |
Valsa kunzei |
Cankers on the lower branches of a blue spruce. |
| 5027084 |
black knot |
Apiosporina morbosa |
Galls on small twigs usually kill the shoots distally from the gall. |
| 5027096 |
ash yellows phytoplasma |
Candidatus Phytoplasma fraxini |
|
| 5027097 |
ash yellows phytoplasma |
Candidatus Phytoplasma fraxini |
Thin crowns, dieback and mortality caused by the ash yellows phytoplasma |
| 5027098 |
quaking aspen |
Populus tremuloides |
Fall color in trembling aspen |
| 5028012 |
drought |
|
White birch declining and dead following drought. |
| 5028014 |
black knot |
Apiosporina morbosa |
Black knot gall (sporocarp) on black cherry |
| 5028015 |
black knot |
Apiosporina morbosa |
Older sporocarp of Apiosporina morbosa on black cherry stem. |
| 5028016 |
black knot |
Apiosporina morbosa |
Sporocarp of Apiosporina morbosa on black cherry stem. |
| 5028058 |
cedar-apple rust |
Gymnosporangium juniperi-virginianae |
Telial-stage horns of the cedar-apple rust pathogen. |
| 5029007 |
smaller European elm bark beetle |
Scolytus multistriatus |
Feeding injury on twigs caused by Scolytus multistriatus. Dutch Elm Disease fungus can be introduced into the tree through such wounds. |
| 5029008 |
Dutch elm disease |
Ophiostoma ulmi |
Early wilt symptoms of Dutch elm disease. |
| 5029009 |
Dutch elm disease |
Ophiostoma ulmi |
discoloration in wood; Vascular streaks caused by Ophiostoma ulmi in elm wood. |
| 5029013 |
Diplodia blight |
Sphaeropsis sapinea |
Main stem infection causing death of top. |
| 5029014 |
Diplodia blight |
Sphaeropsis sapinea |
Sphaeropsis sapinea and Diplodia scrobiculata can cause shoot blight in jack pine. |
| 5029015 |
Diplodia blight |
Sphaeropsis sapinea |
Heavy infection and shoot mortality in larger trees following a hail storm. |
| 5029016 |
Diplodia blight |
Sphaeropsis sapinea |
Severe shoot blight on a very poor site. |
| 5029018 |
Diplodia blight |
Sphaeropsis sapinea |
Dark discoloration in infected wood of red pine. |
| 5027036 |
balsam fir |
Abies balsamea |
|
| 5027037 |
balsam fir |
Abies balsamea |
|
| 5027038 |
balsam fir |
Abies balsamea |
|
| 5027072 |
American elm |
Ulmus americana |
in early spring |
| 5047083 |
Armillaria root rots |
Armillaria spp. |
Armillaria mycelial mat |
| 1397074 |
Eutypella canker |
Eutypella parasitica |
Eutypella canker creating a hazard in a campground |
| 1397046 |
shear crack |
|
|
| 1397104 |
included bark |
|
Included bark branch failure |
| 1397082 |
white oak |
Quercus alba |
large white oak in urban setting next to house |
| 1397136 |
pruning (general) |
|
proper cut |
| 1397115 |
pruning (general) |
|
Proper pruning cut on small branch. |
| 1397054 |
decay |
|
Tree with extensive decay failed in a windstorm. |
| 1427066 |
Hypoxylon canker |
Annulohypoxylon thouarsianum var. thouarsianum |
Showing Hypoxylon thouarsianum, a sapwood decay fungus that is also commonly isolated from Sudden Oak Death - affected oak trees, although it is also found on trees not affected by SOD. The presence of the half-dome-shaped fruiting bodies are indicative of advanced stages of SOD. Newly formed fruiting bodies are olive greenish or shiny black and release powdery green spores upon contact. Older fruiting bodies are dull black. |
| 1427067 |
sudden oak death |
Phytophthora ramorum |
bleeding canker |
| 5061024 |
human caused injury |
|
severe weed wacker damage |
| 5061025 |
human caused injury |
|
weed whacker damage |
| 5059089 |
transplant shock |
|
|
| 1427010 |
sooty mold |
|
Sooty mold on California laurel. Several different fungi may cause sooty mold. The fungi do not cause disease, but grow on surfaces that collect honeydew exudations of sucking insects. |
| 5039035 |
mulching |
|
mulched new plantings |
| 5056009 |
mulching |
|
mulch around planted tree |
| 5056010 |
mulching |
|
mulching newly planted tree |
| 5038097 |
snow and ice damage (snow load) |
|
ice damaged landscape tree |
| 5049067 |
cherry scallop shell moth |
Rheumaptera prunivorata |
|
| 5049068 |
cherry scallop shell moth |
Rheumaptera prunivorata |
|
| 5047078 |
apple scab |
Venturia inaequalis |
|
| 5047079 |
apple scab |
Venturia inaequalis |
|
| 5047080 |
apple scab |
Venturia inaequalis |
|
| 5047081 |
apple scab |
Venturia inaequalis |
|
| 5047075 |
black knot |
Apiosporina morbosa |
|
| 5047076 |
black knot |
Apiosporina morbosa |
|
| 5041067 |
Diplodia blight |
Sphaeropsis sapinea |
|
| 5041068 |
Diplodia blight |
Sphaeropsis sapinea |
|
| 5041069 |
Diplodia blight |
Sphaeropsis sapinea |
|
| 5041070 |
Diplodia blight |
Sphaeropsis sapinea |
|
| 5041071 |
Diplodia blight |
Sphaeropsis sapinea |
|
| 5041072 |
Diplodia blight |
Sphaeropsis sapinea |
|
| 5042014 |
eastern arborvitae |
Thuja occidentalis |
|
| 5042015 |
eastern arborvitae |
Thuja occidentalis |
|
| 5042016 |
eastern arborvitae |
Thuja occidentalis |
|
| 5037026 |
Verticillium wilts |
Verticillium spp. |
|
| 5037066 |
long-horned beetles |
Xylotrechus spp. |
|
| 5037067 |
long-horned beetles |
Xylotrechus spp. |
|
| 5037068 |
long-horned beetles |
Xylotrechus spp. |
|
| 5031023 |
white oak |
Quercus alba |
|
| 5031076 |
wood decay |
Schizophyllum commune |
|
| 5031077 |
wood decay |
Schizophyllum commune |
|
| 5031078 |
wood decay |
Schizophyllum commune |
|
| 5031080 |
wood decay |
Schizophyllum commune |
|
| 5032007 |
wood decay |
Stereum spp. |
|
| 5032008 |
wood decay |
Stereum spp. |
|
| 5032009 |
wood decay |
Stereum spp. |
|
| 5032010 |
wood decay |
Stereum spp. |
|
| 5032011 |
wood decay |
Stereum spp. |
|
| 5032012 |
wood decay |
Stereum spp. |
|
| 5032018 |
oak leaf blister |
Taphrina caerulescens |
|
| 5032026 |
witch's butter |
Tremella mesenterica |
|
| 5032027 |
witch's butter |
Tremella mesenterica |
|
| 5032028 |
witch's butter |
Tremella mesenterica |
|
| 5032029 |
witch's butter |
Tremella mesenterica |
|
| 5032030 |
Violet-toothed Polypore |
Trichaptum biforme |
|
| 5032044 |
Verticillium wilts |
Verticillium spp. |
|
| 5032045 |
Verticillium wilts |
Verticillium spp. |
|
| 1427078 |
sudden oak death |
Phytophthora ramorum |
P. ramorum zone lines on coast live oak. |
| 1427079 |
sudden oak death |
Phytophthora ramorum |
P. ramorum zone lines on coast live oak. |
| 5046024 |
rhododendrons and azaleas |
Rhododendron spp. |
|
| 5057063 |
white heartwood rot |
Phellinus tremulae |
|
| 5060097 |
witch's butter |
Tremella mesenterica |
|
| 5060098 |
Violet-toothed Polypore |
Trichaptum biforme |
|
| 5061011 |
apple scab |
Venturia inaequalis |
|
| 5061012 |
apple scab |
Venturia inaequalis |
|
| 5058059 |
wood decay |
Schizophyllum commune |
|
| 5058060 |
wood decay |
Schizophyllum commune |
|
| 5058079 |
Sirococcus blight of conifers |
Sirococcus conigenus |
|
| 5058080 |
Sirococcus blight of conifers |
Sirococcus conigenus |
|
| 5058081 |
Sirococcus blight of conifers |
Sirococcus conigenus |
|
| 5058082 |
Sirococcus blight of conifers |
Sirococcus conigenus |
|
| 5059041 |
oak leaf blister |
Taphrina caerulescens |
|
| 5059042 |
oak leaf blister |
Taphrina caerulescens |
|
| 5059043 |
oak leaf blister |
Taphrina caerulescens |
|
| 5059044 |
oak leaf blister |
Taphrina caerulescens |
|
| 5053077 |
annosum root disease |
Heterobasidion annosum |
|
| 5053078 |
annosum root disease |
Heterobasidion annosum |
|
| 5053079 |
annosum root disease |
Heterobasidion annosum |
|
| 5053080 |
annosum root disease |
Heterobasidion annosum |
|
| 5053084 |
annosum root disease |
Heterobasidion annosum |
|
| 5054063 |
milk-white toothed polypore |
Irpex lacteus |
|
| 5055040 |
needle cast |
Lophodermium seditiosum |
|
| 5055041 |
needle cast |
Lophodermium seditiosum |
|
| 5057087 |
birch conk |
Piptoporus betulinus |
|
| 5056012 |
Nectria canker |
Nectria spp. |
|
| 5051095 |
Eutypella canker |
Eutypella parasitica |
|
| 5049023 |
black ash decline |
|
|
| 5056014 |
Nectria canker |
Nectria spp. |
|
| 5056015 |
Nectria canker |
Nectria spp. |
|
| 5057032 |
false tinder polypore |
Phellinus igniarius |
|
| 5057041 |
white heartwood rot |
Phellinus tremulae |
|
| 5057042 |
white heartwood rot |
Phellinus tremulae |
|
| 5057043 |
white heartwood rot |
Phellinus tremulae |
|
| 5057044 |
white heartwood rot |
Phellinus tremulae |
|
| 5057045 |
white heartwood rot |
Phellinus tremulae |
|
| 5057046 |
white heartwood rot |
Phellinus tremulae |
|
| 5057047 |
white heartwood rot |
Phellinus tremulae |
|
| 5057048 |
white heartwood rot |
Phellinus tremulae |
|
| 5057053 |
white heartwood rot |
Phellinus tremulae |
|
| 5057054 |
white heartwood rot |
Phellinus tremulae |
|
| 5057056 |
white heartwood rot |
Phellinus tremulae |
|
| 5057059 |
white heartwood rot |
Phellinus tremulae |
|
| 5057061 |
white heartwood rot |
Phellinus tremulae |
|
| 5057062 |
white heartwood rot |
Phellinus tremulae |
|
| 5034093 |
Nectria canker |
Nectria spp. |
|
| 5040061 |
red pine |
Pinus resinosa |
|
| 5042099 |
blue stain |
Ceratocystis tenella |
|
| 5033096 |
Eutypella canker |
Eutypella parasitica |
|
| 5033097 |
Eutypella canker |
Eutypella parasitica |
|
| 5033024 |
black ash decline |
|
|
| 5033025 |
black ash decline |
|
|
| 5033026 |
black ash decline |
|
|
| 5033027 |
black ash decline |
|
|
| 5033028 |
black ash decline |
|
|
| 5051077 |
Eutypella canker |
Eutypella parasitica |
|
| 5051078 |
Eutypella canker |
Eutypella parasitica |
|
| 5051079 |
Eutypella canker |
Eutypella parasitica |
|
| 5051080 |
Eutypella canker |
Eutypella parasitica |
|
| 5051082 |
Eutypella canker |
Eutypella parasitica |
|
| 5051083 |
Eutypella canker |
Eutypella parasitica |
|
| 5049024 |
black ash decline |
|
|
| 5049040 |
brown spot needle blight of pine |
Mycosphaerella dearnessii |
|
| 5049042 |
brown spot needle blight of pine |
Mycosphaerella dearnessii |
|
| 5049047 |
butternut canker |
Sirococcus clavigignenti-juglandacearum |
|
| 5049048 |
butternut canker |
Sirococcus clavigignenti-juglandacearum |
|
| 5049049 |
butternut canker |
Sirococcus clavigignenti-juglandacearum |
|
| 5049050 |
butternut canker |
Sirococcus clavigignenti-juglandacearum |
|
| 5049051 |
butternut canker |
Sirococcus clavigignenti-juglandacearum |
|
| 5049052 |
butternut canker |
Sirococcus clavigignenti-juglandacearum |
|
| 5049053 |
butternut canker |
Sirococcus clavigignenti-juglandacearum |
|
| 5049062 |
northern catalpa |
Catalpa speciosa |
|
| 5049070 |
chestnut blight or canker |
Cryphonectria parasitica |
|
| 5050024 |
cooley spruce gall adelgid |
Adelges cooleyi |
|
| 5050025 |
cooley spruce gall adelgid |
Adelges cooleyi |
|
| 5050026 |
cooley spruce gall adelgid |
Adelges cooleyi |
|
| 5050027 |
cooley spruce gall adelgid |
Adelges cooleyi |
|
| 5051050 |
dogwood anthracnose |
Discula destructiva |
|
| 5033075 |
Dutch elm disease |
Ophiostoma ulmi |
|
| 5033081 |
Dutch elm disease |
Ophiostoma ulmi |
crown symptoms |
| 5033082 |
Dutch elm disease |
Ophiostoma ulmi |
branch symptoms |
| 5033083 |
Dutch elm disease |
Ophiostoma ulmi |
crown symptoms |
| 5033084 |
Dutch elm disease |
Ophiostoma ulmi |
crown symptoms |
| 5033085 |
Dutch elm disease |
Ophiostoma ulmi |
|
| 5044054 |
artist's conk |
Ganoderma applanatum |
|
| 5038038 |
Dutch elm disease |
Ophiostoma ulmi |
|
| 5038044 |
Dutch elm disease |
Ophiostoma ulmi |
crown symptoms |
| 5038045 |
emerald ash borer |
Agrilus planipennis |
mortality |
| 5038046 |
emerald ash borer |
Agrilus planipennis |
|
| 5038047 |
emerald ash borer |
Agrilus planipennis |
crown dieback |
| 5038048 |
emerald ash borer |
Agrilus planipennis |
crown symptoms |
| 5038049 |
emerald ash borer |
Agrilus planipennis |
crown symptoms |
| 5038050 |
emerald ash borer |
Agrilus planipennis |
exit holes |
| 5038051 |
emerald ash borer |
Agrilus planipennis |
|
| 5038052 |
emerald ash borer |
Agrilus planipennis |
|
| 5038053 |
emerald ash borer |
Agrilus planipennis |
|
| 5038054 |
emerald ash borer |
Agrilus planipennis |
|
| 5038055 |
emerald ash borer |
Agrilus planipennis |
|
| 5038056 |
emerald ash borer |
Agrilus planipennis |
|
| 5038057 |
emerald ash borer |
Agrilus planipennis |
|
| 5038058 |
emerald ash borer |
Agrilus planipennis |
|
| 5038059 |
emerald ash borer |
Agrilus planipennis |
with larvae |
| 5038060 |
emerald ash borer |
Agrilus planipennis |
|
| 5038061 |
emerald ash borer |
Agrilus planipennis |
stuck in tree |
| 5037071 |
black knot |
Apiosporina morbosa |
on main stem |
| 1427097 |
sudden oak death |
Phytophthora ramorum |
|
| 1397085 |
wind |
|
Jaguar crushed by falling tree |
| 1397108 |
Armillaria root rots |
Armillaria spp. |
With extensive root and butt decay on golf course |
| 1397063 |
wind |
|
Windstorm damage clean-up |
| 1397081 |
wind |
|
|
| 1427029 |
sudden oak death |
Phytophthora ramorum |
Jennifer Juzwik in the foreground.; China Camp State Park, California |
| 1427055 |
sudden oak death |
Phytophthora ramorum |
P. ramorum zone lines on coast live oak. |
| 1427056 |
sudden oak death |
Phytophthora ramorum |
Zone lines of P. ramorum on coast live oak. |
| 1427057 |
sudden oak death |
Phytophthora ramorum |
Cankers and zone lines on coast live oak at China Camp State Park in California. |
| 1427058 |
sudden oak death |
Phytophthora ramorum |
P. ramorum zone lines on coast live oak. |
| 1427059 |
sudden oak death |
Phytophthora ramorum |
P. ramorum zone lines on coast live oak. |
| 1427060 |
sudden oak death |
Phytophthora ramorum |
P. ramorum zone lines on coast live oak. |
| 1427061 |
sudden oak death |
Phytophthora ramorum |
Bleeding from P. ramorum canker on coast live oak. |
| 1427100 |
sudden oak death |
Phytophthora ramorum |
Oak firewood for sale in Santa Clara, CA. |
| 1427087 |
sudden oak death |
Phytophthora ramorum |
P. ramorum symptoms on Rhododendron. Leaf was confirmed as infected with P. ramorum by Jenny Davidson. |
| 1427088 |
sudden oak death |
Phytophthora ramorum |
P. ramorum symptoms on Rhododendron. Upper leaf was confirmed as infected by Jenny Davidson. |
| 1427089 |
Hypoxylon canker |
Annulohypoxylon thouarsianum var. thouarsianum |
Sporocarps on coast live oak. |
| 1427084 |
sudden oak death |
Phytophthora ramorum |
Symptoms of P. ramorum on huckleberry. |
| 1427085 |
sudden oak death |
Phytophthora ramorum |
Bleeding on bark surface of coast live oak, caused by P. ramorum. |
| 1427082 |
sudden oak death |
Phytophthora ramorum |
Coast live oak mortality at China Camp State Park, CA. |
| 1427076 |
sudden oak death |
Phytophthora ramorum |
Coast live oak dying from P. ramorum infection. |
| 1427106 |
sudden oak death |
Phytophthora ramorum |
Zone lines of P. ramorum on coast live oak. |
| 1427108 |
sudden oak death |
Phytophthora ramorum |
Oak firewood for sale in Santa Clara, CA |
| 1427111 |
sudden oak death |
Phytophthora ramorum |
This leaf was confirmed as positive for P. ramorum by Jenny Davidson. |
| 1427104 |
sudden oak death |
Phytophthora ramorum |
Zone lines of P. ramorum on coast live oak. |
| 1301043 |
emerald ash borer |
Agrilus planipennis |
Epicormic branches on ash developing after attack. |
| 1427062 |
sudden oak death |
Phytophthora ramorum |
Showing Hypoxylon thouarsianum, a sapwood decay fungus that is also commonly isolated from Sudden Oak Death - affected oak trees, although it is also found on trees not affected by SOD. The presence of the half-dome-shaped fruiting bodies are indicative of advanced stages of SOD. Newly formed fruiting bodies are olive greenish or shiny black and release powdery green spores upon contact. Older fruiting bodies are dull black. |
| 1427063 |
sudden oak death |
Phytophthora ramorum |
Showing Hypoxylon thouarsianum, a sapwood decay fungus that is also commonly isolated from Sudden Oak Death - affected oak trees, although it is also found on trees not affected by SOD. The presence of the half-dome-shaped fruiting bodies are indicative of advanced stages of SOD. Newly formed fruiting bodies are olive greenish or shiny black and release powdery green spores upon contact. Older fruiting bodies are dull black. |
| 1427031 |
sudden oak death |
Phytophthora ramorum |
zone lines |
| 1427032 |
sudden oak death |
Phytophthora ramorum |
zone lines |
| 1427024 |
sudden oak death |
Phytophthora ramorum |
China Camp State Park, California |
| 1427025 |
sudden oak death |
Phytophthora ramorum |
China Camp State Park, California |
| 1427026 |
sudden oak death |
Phytophthora ramorum |
China Camp State Park, California |
| 1427027 |
sudden oak death |
Phytophthora ramorum |
China Camp State Park, California |
