728 Free Photos of Diseases And Disorders

plants cc-zero green leaves tree pages with maps leaf grow animals arthropoda

20130907Sambucus_nigra1

self-published work tree

Cygnus olor Carolasee 17 June 2016 DSC03372

self-published work pages with maps

Topola czarna w parku Zamkowym w Raciborzu 3

Škola20120514 2051

Pineapple Gall caused by Adelges abietis on Norway Spruce

picea abies plants

Lower epidermis of Coltsfoot with Puccinia poarum. Lynn Glen, Dalry, Scotland.

tussilago farfara plants

Frost crack showing annual damage and bare wood. On Ash. Eglinton, North Ayrshire, Scotland

Fasciation on a Flowering Cherry tree, Gateside, North Ayrshire, Scotland.

20150228Ulmus_minor2

self-published work cc-zero

Buxus sempervirens 10904

Foto taken by Lumbar 16:41, 6 November 2005 (UTC) in Osnabrück

A Sycamore (Acer pseudoplatanus) trunk damaged by Grey squirrels at Spier's School.

sycamore plants

Meloidogyne sp. on Morinda citrifolia (noni)

Ligulate excrescences on Hawthorn leaves. Spier's, Ayrshire, Scotland.

Birke.mit.Baumpilz

self-published work pages with maps

Termination of severe frost crack on an annually damaged tree. Eglinton, North Ayrshire, Scotland

Cygnus olor Carolasee 17 June 2016 DSC03368

self-published work animals

Honey bee with Deformed Wing Virus and Varroa destructor on her torso

20141019Saponaria_officinalis2

20141102Saponaria_officinalis

Detail of Puccinia poarum on upper epidermis of Coltsfoot. Lynn Glen, Dalry, Scotland.

tussilago farfara plants

Two eggs laid on underside of swiss chard leaf by spinach leaf miner.

20140507Salix_cinerea2

self-published work salix cinerea

Rubus pallidus - Botanischer Garten, Frankfurt am Main - DSC02498

Balsam fir (Abies balsamea) showing galls caused by Paradiplosis tumifex. Observed in Temiscouata, Québec.

Photo of the pupa of Polygonia c-album, on its hostplant, elm.

Terminal bud of a hawthorn with a hawthorn button-top gall. Spier's, Ayrshire, Scotland.

arthropoda diptera

Feuilles de murier 1

Harmonia-axyridis-with-Laboulbeniales-05-fws

animals insects

Škola20120514 2056

Coltsfoot upper epidermis with Puccinia poarum. Dalry, North Ayrshire, Scotland.

Terminal bud rosette caused by Dasineura crataegi. Spier's, Beith, Ayrshire, Scotland.

arthropoda diptera

A Badger scratching tree at Spier's Old School Grounds, Beith, Ayrshire, Scotland

animals mammals

Eastern Shore of Virginia Refuge. Photo: USFWS

An extreme case of frost crack on an Ash tree, Eglinton, North Ayrshire, Scotland

The initiation point of a frost crack on an ash tree. Eglinton, North Ayrshire, Scotland

Galls on the head of Plantago lanceolata. Auchenmade. North Ayrshire. Scotland

plantago lanceolata plants

Witch's broom growth in a white pine in central Massachusetts.

pinaceae plants

Nedblåst gran vid Visättra sportcenter, april 2006.

20140507Salix_cinerea1

self-published work green

20130907Sambucus_nigra2

Cygnus olor 27 June 2016 Carolasee DSC03691

self-published work pages with maps

Cygnus olor Carolasee 17 June 2016 DSC03369

wildlife animals

A Sun Scald fissure with dormant slugs Lehmannia sp. (family Limacidae). Eglinton, North Ayrshire, Scotland.

Rust on young garlic plant after record-breaking rains (6 days almost nonstop) in Los Angeles, California.

A badger scratching tree, Spier's Old School Grounds, Beith, Ayrshire, Scotland

animals mammals

Cabosses de cacaoyer atteintes par la pourriture brune (Phythophthora), celle de droite complètement momifiée

Nettle pouch gall below flowers on Urtica dioica. Eglinton Country Park, Ayrshire, Scotland.

scotland diptera

20150124Rubus1

Cygnus olor Carolasee 17 June 2016 DSC03371

blurred image animals

Pleurotus calyptratus Bykivnya1

self-published work pages with maps

Stubben einer riesigen Schwarzpappel mit frischem Austrieb im Park der Freundschaftsinsel. Die Freundschaftsinsel ist eine Havelinsel in Potsdam.

Several stages of Bagrada bugs (Bagrada hilaris) on heat- and drought-stressed collard greens plant (Brassica oleracea var. acephala). The characteristic damage to the plant made by the insects suckin

Cygnus olor Carolasee 17 June 2016 DSC03370

blurred image animals

Late blight of tomato (Lycopersicon esculentum) in a garden near Hilo, Hawaii, caused by Phyophthora infestans

Meloidogyne javanica on Colocasia esculenta. Root knot of taro (Colocasia esculenta) caused by Meloidogyne javanica, showing the severe stunting of plant from a non-fumigated plot (right).

meloidogyne root galls nematoda

Celtis australis in Çayeli (Rize, Turkey).

Puccinia poarum on upper epidermis of Tussilago farafara. Lynn Glen, Dalry, Scotland

The Nettle Pouch Gall (Dasineura urticae) on Nettle, Urtica dioica. Eglinton Country Park, Ayrshire, Scotland.

scotland diptera

The Hawthorn button-top gall, caused by Dasineura crataegi. Spier's, Beith, Ayrshire, Scotland.

arthropoda diptera

20120923Rhein_Hockenheim

20130622Sturmschaden_Schwetzinger_Hardt10

Pleurotus calyptratus Bykivnya4

self-published work fungus

Pleurotus calyptratus Bykivnya6

self-published work fungus

Hawthorn button-top gall dissected to expose detail of structure. Spier's, Ayrshire, Scotland.

20120531 brno 3767

Photo of cedar apple rust (Gymnosporangium juniperi-virginianae)on a crab apple leaf from the underside.

leaf miner larva exposed by peeling back a blister in the chard leaf.

20150124Rubus2

Harmonia-axyridis-with-Laboulbeniales-03-fws

animals insects

Pleurotus calyptratus Bykivnya3

Pleurotus calyptratus Bykivnya2

Mistletoe (Viscum album) growing on a Rowan Tree in Kilwinning, North Ayrshire, Scotland

christmas decoration tree

Black knot infection of Black Cherry in Minnesota.

A long length of frost crack on an ash tree. Eglinton, North Ayrshire, Scotland.

Harmonia-axyridis-with-Laboulbeniales-06-fws

arthropod animals

Harmonia-axyridis-with-Laboulbeniales-04-fws

arthropod animals

Bacterial infections and involved species

vector version available self-published work

20130909Juglans_regia3

20130909Juglans_regia2

Harmonia-axyridis-with-Laboulbeniales-01-fws

animals insects

Harmonia-axyridis-with-Laboulbeniales-02-fws

animals insects

Sun Scald on Ash tree bark in Eglinton, North Ayrshire, Scotland.

Sick Prunus_cerasus, source cherry, from an unknow reason.

Sick Prunus_cerasus, source cherry, from an unknow reason.

Meloidogyne javanica on Colocasia esculenta. Root knot of taro (Colocasia esculenta) caused by Meloidogyne javanica, showing the severe stunting of plants in non-fumigated plot (right).

nematoda forest

Oak Mildew on Q. robur caused by Microsphaera alphitoides. Chapeltoun, North Ayrshire, Scotland

Dasineura urticae on Urtica dioica petiole and leaf vein. Nettle Pouch Gall. Eglinton Country Park. Ayrshire. Scotland.

scotland nature

Rust on young garlic plants after record-breaking rains (6 days almost nonstop) in Los Angeles, California. A row of beets is in the background.

Taphrina padi, Pocket Plum gall, on Bird Cherry at Dalgarven Mill, Ayrshire, Scotland. Maturing galls.

Resistors helplessness overthrown

The gall fly, Dasineura urticae on Urtica dioica developing leaf petiole. Eglinton Country Park, Ayrshire, Scotland.

Health mental illness

medicine health

Chromatomyia aprilina is a small fly whose lavae creates a mine in the leaves of honeysuckle (Lonicera).

Hollow trunk of a plane tree (Platanus orientalis) planted in 1680 in the Botanical Garden of Padua.

Burr on Horse Chestnut - Aesculus hippocastanum. Easglesham. Scotland.

A dead North Atlantic Right Whale (Eubalaena glacialis). The animal has died after being hit by a boat propeller

A bluish bloom over the Taphrina padi mature pocket plum gall, Dalgarven Mill, Ayrshire, Scotland

Chadwick Arboretum and Learning Gardens
Arboretum North
The Ohio State University

Columbus, Ohio

fagaceae plants

Three Pineapple Galls developing on Norway Spruce. Caused by Adelges abietis, a woolly aphid.

401 - 500 of 728 Next page

/ 8