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Ornamentals: Trees

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Image Subject Name Scientific Name Description
5430484 Dutch elm disease Ophiostoma ulmi Pesotum ulmi stage of Ophiostoma ulmi present in an incubated elm branch wood chip.
5377019 Dutch elm disease Ophiostoma ulmi disease cycle
5458864 Dutch elm disease Ophiostoma ulmi Conidial head of synnema showing conidial production
5458862 Dutch elm disease Ophiostoma ulmi Conidial heads of synnemata
5458863 Dutch elm disease Ophiostoma ulmi Conidial head of synnema showing conidial production
5458860 Dutch elm disease Ophiostoma ulmi Synnemata of Graphium stage
5458861 Dutch elm disease Ophiostoma ulmi Synnemata of Graphium stage
5458859 Dutch elm disease Ophiostoma ulmi Synnemata of Graphium stage emerge from cut stem incubated in moist chamber
5458857 Dutch elm disease Ophiostoma ulmi Synnemata of Graphium stage emerging from cut stem incubated in moist chamber
5458858 Dutch elm disease Ophiostoma ulmi Synnemata of Graphium stage emerge from cut stem incubated in moist chamber
5458855 Dutch elm disease Ophiostoma ulmi Dark rings symptomatic of infection
5458856 Dutch elm disease Ophiostoma ulmi Dark ring symptomatic of infection
1301076 Dutch elm disease Ophiostoma ulmi Crown symptoms of Dutch elm disease on a large street tree.
4213093 Dutch elm disease Ophiostoma ulmi dead and dying trees
4213094 Dutch elm disease Ophiostoma ulmi close-up view of wilting leaves
2252001 Dutch elm disease Ophiostoma ulmi vascular discoloration in winged elm
2251098 Dutch elm disease Ophiostoma ulmi crown symptoms
2252007 Dutch elm disease Ophiostoma ulmi branch dieback
5429794 laurel wilt Raffaelea lauricola 10-day-old culture on CSMA medium, grown at 25C with alternating light and dark, 71X
4822041 Dutch elm disease Ophiostoma ulmi trees killed along road
5379779 Dutch elm disease (novi-ulmi) Ophiostoma novo-ulmi
5379780 Dutch elm disease (novi-ulmi) Ophiostoma novo-ulmi
5383223 laurel wilt Raffaelea lauricola Camphor tree with dieback symptoms caused by laurel wilt infection
5383224 laurel wilt Raffaelea lauricola Symptoms of laurel wilt infection on camphor tree
5383225 laurel wilt Raffaelea lauricola Symptoms of laurel wilt infection on camphor tree
5383226 laurel wilt Raffaelea lauricola Group of sassafras trees with symptoms of advancing laurel wilt disease
5383227 laurel wilt Raffaelea lauricola Leaf symptoms of laurel wilt disease in a group of small sassafras trees
5383213 laurel wilt Raffaelea lauricola Redbay mortality on Jekyll Island caused by laurel wilt disease
5383208 laurel wilt Raffaelea lauricola Redbay mortality on Jekyll Island caused by laurel wilt disease
5383211 laurel wilt Raffaelea lauricola Redbay stump and sprouts following mortality caused by laurel wilt disease
5383212 laurel wilt Raffaelea lauricola Initial symptoms of laurel wilt disease in a group of sassafras trees
5334062 Dutch elm disease Ophiostoma ulmi
5334064 Dutch elm disease Ophiostoma ulmi
5334063 Dutch elm disease (novi-ulmi) Ophiostoma novo-ulmi treatment for Dutch elm disease
5033086 Dutch elm disease Ophiostoma ulmi
5366741 Dutch elm disease Ophiostoma ulmi Discoloration of elm wood due to the presence of Dutch elm disease (Ophiostoma ulmi).
5366740 Dutch elm disease Ophiostoma ulmi Very close-up view of the coremia (asexual fruiting structures) of Dutch elm disease (Ophiostoma ulmi).
5366739 Dutch elm disease Ophiostoma ulmi Elm tree afflicted with Dutch elm disease (Ophiostoma ulmi).
5366738 Dutch elm disease Ophiostoma ulmi Flagging of foliage in an elm tree afflicted with Dutch elm disease (Ophiostoma ulmi).
5359735 Dutch elm disease Ophiostoma ulmi Portion of elm wood afflicted with Dutch elm disease showing galleries created by the European elm bark beetle, which vectors the disease.
5359734 Dutch elm disease Ophiostoma ulmi Portion of an elm tree suffering from Dutch Elm Disease, with bark beetle galleries underneath the bark.
5357466 Dutch elm disease Ophiostoma ulmi Elm tree aflicted with Dutch elm disease (Ophiostoma ulmi).
1407052 Dutch elm disease Ophiostoma ulmi Like all living things, trees eventually die and decay, victims of many living and manmade agents. The agent here is Dutch elm disease. To ward off this widespread infection, keep elm trees well pruned. If they do become infected, cut and destroy the diseased trees as soon as possible.
1501032 Dutch elm disease Ophiostoma ulmi Dutch elm disease, vascular streak
3036044 Dutch elm disease Ophiostoma ulmi Accumulated wood in firewood cut area DED Atlanta
1224218 blue stain Ophiostoma huntii Fungus on Pecan. Ambrosia Beetles.
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
1458055 Dutch elm disease Ophiostoma ulmi streaking of vascular tissue
1455146 Dutch elm disease Ophiostoma ulmi Girdling cut made upon detection to prevent root graft transmission
2733034 Dutch elm disease Ophiostoma ulmi small stem split to show vascular discoloration.
0488108 Dutch elm disease Ophiostoma ulmi

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