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Fungus on the pear tree leaf (Gymnosporangium sabinae)(Birnengitterrost)
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Pear leaf infected with gymnosporangium sabinae rust and Septoria Leaf Spot Septoria aegopodii. Man gardener hand hold.
Powdery Mildew on green leaf - fungal disease on tree.
water lily,\nequalized, water surface
Green English ivy (Hedera helix, European ivy) and variegated ivy Hedera helix Goldchild carpet cover the decorative hill In the shadow garden. Nature concept for design. Selective focus
Galls on maple leaves, due to the presence of small mites
Yellow leaf disease Found on the lower leaves at the base of the plant and spread to the top leaves.  It is a yellow round spot, if severe, the leaves turn brown.
Poison ivy (Toxicodendron radicans) is a common plant native to North America.  It is well known for causing allergic reactions in humans due to its potent oil called urushiol. The poison ivy plant is a woody vine or shrub that can vary in appearance depending on its growth environment. It usually has three shiny, almond-shaped leaflets arranged in a cluster, with the middle leaflet having a longer stem than the two side leaflets. The leaves can be green during the spring and summer, turning red or orange in the fall.  This poison ivy plant was photographed by the Sinclair Wash Trail in Flagstaff, Arizona, USA.
Close-up mildew on a plant leaf
Okra in the rainforest, with the dew of nature, clear and lovely
Soybean field damaged by hail
Close up of summer tree
Rhytisma acerinum fungus on Acer platanoides leaf.
Cucumber plants are grown in bamboo greenhouses in Don Duong - Lam Dong - Vietnam
Powdery mildew Erysiphe cichoracearum on green leaf of Jerusalem artichoke
teak leaves are starting to dry out
Black spot of pear, scab of pear a fungal disease of pear trees caused by Venturia pyrina. Symptoms on pear tree leaves.
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Green leaves pattern,leaf of Syngonium podophyllum or Nephthytis in the garden
Poison ivy: Toxicodendron radicans (syn. Rhus toxicodendron, Rhus radicans). Distinctive triple leaf structure of poison ivy plant.
Gold-dust Dracaena or Florida Beauty
The Kawakawa (Macropiper excelsum) Shrub is readily recognised by the heart-shaped leaves often full of holes due to chewing damage by a species of Caterpillar of the Kawakawa Looper Moth (Cleora scriptaria). Kawakawa is a versatile herb and one of the most important in Māori medicine Rongoa. It has been used traditionally to treat cuts, wounds, stomach and rheumatic pain, skin disorders, toothache. Leaves with holes eaten by insects are especially suitable because they have the most concentrated medicinal properties.
Shrub with yellow-green leaves. spring background . background, texture
A close up of a wet and dying leaf in the fall.
Pest damaged cucumber leave caused by harmful insects, plant fungi, thrips and other bacterium diseases.
Leaf of a lush tree in the rainforest jungle. The picture is taken in Sepilok in the north eastern part of Borneo.
Rhytisma acerinum on maple leaf
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