Narrow Results by:

Subject Specific Filters:

All Subject Filters are in use

Image Specific Filters:

  1. Descriptor:           (show all)

    Symptoms (85)
    Sign (9)
    Asexual Spore (8)
    Fruiting Bodies (6)
    Control (3)

  1. Commodity:         (show all)

    Hardwood (66)
    Trees (57)
    Conifer (30)
    Miscellaneous Forestry (4)
    Miscellaneous (2)

Image Setting:

Field (82)
Laboratory (19)
Museum (2)
Illustration (1)

  1. View:                     

    Close-up (1)

Person in Image:

Yes (2)

  1. Country:                

    United States (103)
    Slovakia (8)
    Czechia (6)
    United Kingdom (3)
    Germany (2)

  1. Author:                  (show all)

    Joseph O'Brien (12)
    USDA Forest Service - Ogden Archive (11)
    Andrej Kunca (10)
    Bruce Watt (10)
    William Jacobi (8)

Orientation:

Landscape (88)
Portrait (34)

Ophiostoma

Kingdom: Fungi
Phylum: Ascomycota
Subphylum: Pezizomycotina
Class: Sordariomycetes
Subclass: Sordariomycetidae
Order: Ophiostomatales
Family: Ophiostomataceae
Genus: Ophiostoma
Remove Filters: 5 Sizes Available(X)
122 Images of 6 Subjects View Subject List View Image Details View Thumbnails

first prev Page: next last Display:

Image Subject Name Scientific Name Description
5495043 black stain root disease Ophiostoma wageneri resinosis on the lower stem of an infected tree
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
5430483 Dutch elm disease Ophiostoma ulmi American elm tree showing typical flagging and dieback symptoms due to Dutch elm disease.
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
1247182 Dutch elm disease Ophiostoma ulmi
4215048 Dutch elm disease Ophiostoma ulmi early wilt symptoms
1458054 Dutch elm disease Ophiostoma ulmi 1999
1137023 black stain root disease Ophiostoma wageneri
1301078 Dutch elm disease Ophiostoma ulmi Coremia (spore-bearing bodies) of Ophiostoma ulmi in a Scolytus multistriatus gallery
4822040 Dutch elm disease Ophiostoma ulmi Foliage wilting, flagging (yellow), defoliation, and crown dieback
2250029 black stain root disease Ophiostoma wageneri stained wood of Douglas-fir
1301076 Dutch elm disease Ophiostoma ulmi Crown symptoms of Dutch elm disease on a large street tree.
0355036 Dutch elm disease Ophiostoma ulmi advanced symptoms on American elm
2733033 Dutch elm disease Ophiostoma ulmi Initial flagging (yellowing) of branches in crown.
1442052 Dutch elm disease Ophiostoma ulmi Ceratacystid ulmi dying tree Ulmus americana Milliken ,CO7-16-74
4213096 Dutch elm disease Ophiostoma ulmi wilt symptoms
4213093 Dutch elm disease Ophiostoma ulmi dead and dying trees
0454016 Dutch elm disease Ophiostoma ulmi Elm tree severely attacked by Ophiostoma ulmi in late summer, showing a range of foliar symptoms.
1301074 Dutch elm disease Ophiostoma ulmi Large specimen elm tree killed
1371095 blue stain Ophiostoma piceae Göttingen, Germany
4213094 Dutch elm disease Ophiostoma ulmi close-up view of wilting leaves
1467158 black stain root disease Ophiostoma wageneri vascular discoloration
2252006 Dutch elm disease Ophiostoma ulmi sapwood stain
1137024 black stain root disease Ophiostoma wageneri Tangential surface of stained sapwood in lower bole.
2252001 Dutch elm disease Ophiostoma ulmi vascular discoloration in winged elm
2250056 black stain root disease Ophiostoma wageneri stained roots of Douglas-fir
2251098 Dutch elm disease Ophiostoma ulmi crown symptoms
1137025 black stain root disease Ophiostoma wageneri Transverse surface of stained sapwood in lower bole.
2252007 Dutch elm disease Ophiostoma ulmi branch dieback
4912014 Dutch elm disease Ophiostoma ulmi
1467153 black stain root disease Ophiostoma wageneri
1398052 Dutch elm disease Ophiostoma ulmi
1396140 Dutch elm disease Ophiostoma ulmi Wildcat Mountain Park
1137021 black stain root disease Ophiostoma wageneri
4554043 Dutch elm disease Ophiostoma ulmi
1400152 Dutch elm disease Ophiostoma ulmi
3227027 Dutch elm disease Ophiostoma ulmi in winged elm
4822041 Dutch elm disease Ophiostoma ulmi trees killed along road
1398053 Dutch elm disease Ophiostoma ulmi Advanced crown symptoms.
1388032 Dutch elm disease Ophiostoma ulmi Flagging branches throughout the crown.
1467155 black stain root disease Ophiostoma wageneri
1467020 black stain root disease Ophiostoma wageneri
1467154 black stain root disease Ophiostoma wageneri
1400153 Dutch elm disease Ophiostoma ulmi Dying elm, marked for removal. July
1396139 Dutch elm disease Ophiostoma ulmi
1137022 black stain root disease Ophiostoma wageneri
1396136 Dutch elm disease Ophiostoma ulmi
4213095 Dutch elm disease Ophiostoma ulmi old infection center
1301073 Dutch elm disease Ophiostoma ulmi Early wilt symptoms
1396138 Dutch elm disease Ophiostoma ulmi Wildcat Mountain Park
0454017 Dutch elm disease Ophiostoma ulmi Cross section of an Ophiostoma ulmi-infected elm branch, showing characteristic dark spots in the wood.
1467019 black stain root disease Ophiostoma wageneri
5379778 Dutch elm disease (novi-ulmi) Ophiostoma novo-ulmi
5379779 Dutch elm disease (novi-ulmi) Ophiostoma novo-ulmi
5379780 Dutch elm disease (novi-ulmi) Ophiostoma novo-ulmi
5382898 blue stain Ophiostoma piceae
5382899 blue stain Ophiostoma piceae
5382900 blue stain Ophiostoma piceae
5382901 blue stain Ophiostoma piceae
5033090 Dutch elm disease (novi-ulmi) Ophiostoma novo-ulmi American elm with DED symptoms marked for removal.
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
5334066 Dutch elm disease Ophiostoma ulmi Dutch Elm Disease Treatment, Penn. State Campus
5033086 Dutch elm disease Ophiostoma ulmi
5359732 Dutch elm disease Ophiostoma ulmi Dutch elm disease fungus (described here as Ceratocystis ulmi) growing in a petri dish in the laboratory.
5359733 Dutch elm disease Ophiostoma ulmi Dutch elm disease fungus (described here as Ceratocystis ulmi) growing in a petri dish in the laboratory.
5367198 black stain root disease Ophiostoma wageneri Black stain (Leptographium wageneri) fungus on the root of a pinyon pine.
5367199 black stain root disease Ophiostoma wageneri Black stain (Leptographium wageneri) fungus under the bark of a pinyon pine
5367200 black stain root disease Ophiostoma wageneri Black stain (Leptographium wageneri) fungus on the root of a pinyon pine.
5367201 black stain root disease Ophiostoma wageneri Pinyon pine showing severe symptoms of infection with black stain (Leptographium wageneri) fungus.
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.
5357037 Dutch elm disease Ophiostoma ulmi Elm tree aflicted with Dutch elm disease (described here as Ceratocystis ulmi), Fort Morgan, Colorado, 1970.
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
1501033 Dutch elm disease Ophiostoma ulmi Dutch elm disease, Natchez Trace Pkwy.
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
2111019 Dutch elm disease Ophiostoma ulmi vascular staining in the wood of an affected branch; 1996
2110080 Dutch elm disease Ophiostoma ulmi branch symptoms
2111030 blue stain fungi Ophiostoma spp. fruiting bodies of Ophiostoma sp. at a sample of oak wood (grey-green covers belong to Trichoderma sp.); October 1999
2111031 blue stain fungi Ophiostoma spp. fruiting bodies of Ophiostoma sp. at a sample of oak wood (grey-green covers belong to Trichoderma sp.); October 1999
1467018 black stain root disease Ophiostoma wageneri
1467157 black stain root disease Ophiostoma wageneri vascular discoloration
1467159 black stain root disease Ophiostoma wageneri vascular discoloration
1467160 black stain root disease Ophiostoma wageneri hyphae
1467156 black stain root disease Ophiostoma wageneri
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
1415149 blue stain fungi Ophiostoma spp. Acorn black rot. August 26, 2002
1400174 Dutch elm disease Ophiostoma ulmi American elm tree removal
1371096 blue stain Ophiostoma piceae Close-up. Göttingen, Germany
0176077 Dutch elm disease Ophiostoma ulmi Elm shoots variously attacked by Dutch elm disease (Ophiostoma ulmi); note yellowing and browning of foliage and formation of crozier-like hooks at twig ends.
1247039 Dutch elm disease Ophiostoma ulmi Covington, GA. 1978.
2733034 Dutch elm disease Ophiostoma ulmi small stem split to show vascular discoloration.
3227028 Dutch elm disease Ophiostoma ulmi with bark peeled showing cambuim streaking
3227029 Dutch elm disease Ophiostoma ulmi cut stems showing staining
4215047 Dutch elm disease Ophiostoma ulmi vascular staining
2250055 black stain root disease Ophiostoma wageneri stained wood in roots planted trees
0488108 Dutch elm disease Ophiostoma ulmi

Page: