Welcome to our gallery of plant pathogen images.
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Tar spot young symptoms seedlings

Compact stems ragwort CU.

Range of ragwort stems on ground.

Curly leaf sequence3 ragowort.

Ringspot healthy ornanmental.

Oak mildew advanced.

Ivy leaf blight

Alder rust below Spain

Virus poss on elder Dorset

Lavatera suspected virus Germany2

Elder with suspected phyto

Red and brown curl.

Young leaf curl single mass

Taphrina broom birch4

Willow witches broom like

Willow witches broom like sequence

Virus poss on ash early symptoms

Ash virus yellow patches

Box with blight

Shows difference twixt healthy and bushy leaves.

Swollen cracking canker

Yellow mosaic-like on oak

Suspected anthracnose on walnut.

Anthracnose suspected backlit

Anthracnose suspected backlit

Powdery mildew lesion

Apothecia on nectria canker2

Big ones and minor.

Leaf spot with hole.

Alder with dieback R Park

Burnt leaves prob cold wind CU.

Black spots and brown rot.

Brown rot on manky apple.

Black scabs on apple.

Mucor on strawberry CU edited

Angular leaf spots thorugh lamina

Chives rust 2

Pear rust starting 2




Advanced staining annd decay

Bootlaces Armillaria Zurich.

Pustules and puckering.

Pustules and puckering.

Stem swollen with rust

Pustules on big stem

Augustine walks in bananas

Anthracnose broad bean sequence

Anthracnose single lesion

Mosaic Swiss weed sequence

Mosaic through leaf

Anthracnose on thin stems

Clearing sequence contra jour

Heavy leafminer attack 2.

Virus-like patches wild Ribes

Wild raspberry mosaic come yellows

Wild raspberry virus like symptoms all over GOOD

Nettle rust bends stem 2.

Veins green while leaf yellows

Veins green while leaf yellows 2

Overall crown with patches of yellowing

Ash yellows Hampton sequence

Olive knots many

Rose rust pustules MCU

Leafroll virus grapevine Wisley

Gymnosporangium white cirri pear Wisley

Leafroll virus grapevine tele Wisley

Cocoa flowers (CREDIT: Megan Richardson)

Bremia on weed (2) (1)

Rust on ground elder (3)

Rust on ground elder (6)

SBellamy Monilinia laxa on cherry macro

Fruiting bodies on weed leaf spot

Rust abaxial on ground ivy RBGE

PTaylor Bremia-downy-mildew-sporulation-lettuce-2

LR downy mildew on weed

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Virus on hedge mustard CU

Virus symptoms hedge mustard sequence

Yellow clearing suggests virus foxglove

Yellow clearing just starts

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White rust on weed albugo water mould (2)

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blurry meadowsweet feel free to delete

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Rust on groundsel

Phragmidium_violaceum on Rubus fructicosa Blackberry Rust

Hordeum murinum rhynchosporium

Grass rust

solanum dulcamara virus

oak powdery mildew

powdery mildews

Poplar rust on foliage

Oxford ragwort orange rust pustules

Oxford ragwort Orange rust CU

Oak mildew nr CABI

Forsythia bact galls 2

Birch WB2 cut open

Birch rust MCU

Ash canker Effingham

S EvesvdAcker beet-cyst nematode

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Powdery Mildew on Apple Tree (CREDIT: Dr Eric Boa)

Grapevine Leaf Mite Gall (CREDIT: Dr Eric Boa)