Nigel Cattlin / Narcissus smoulder (Botrytis narcissicola) stem base sclerotia on a Narcissus (Narcissus sp.) plant stem.

Nigel Cattlin / Narcissus smoulder (Botrytis narcissicola) stem base sclerotia on a Narcissus (Narcissus sp.) plant stem.

Nigel Cattlin / Fruit rot (Botryotinia fuckeliana), sclerotia and mycelium on rotting Gooseberry fruit ( Ribes uva-crispa).

Nigel Cattlin / Stem rot (Sclerotinia sclerotiorum) sclerotia shown in a sectioned stem of Chilli pepper (Capsicum annuum), Thailand, South East Asia.

Nigel Cattlin / Ergot (Claviceps purpurea) fungal disease, showing ergots / sclerotia replacing grains in a ripe wheat (Triticum aestivum) ear.

Nigel Cattlin / White mould (Athelia rolfsii) mycelium around the base of a peanut plant, Florida, USA, May

Nigel Cattlin / Stem rot (Sclerotinia sclerotiorum) a diseased and dying sunflower plant in seed in a commercial crop

Nigel Cattlin / Stem rot (Sclerotinia sclerotiorum) black sclerotia and rot on the stem base of a mature ripening sunflower

Nigel Cattlin / Stem rot (Sclerotinia sclerotiorum) black sclerotia and rot on the stem base of a mature ripening sunflower

Nigel Cattlin / Speckled snow mould (Typhula incarnata) sclerotia and necrotic damage to Barley (Hordeum vulgare) leaves. Scotland, UK. January.

Nigel Cattlin / Speckled snow mould (Typhula incarnata) sclerotia on base of young Barley (Hordeum vulgare) stem. Scotland, UK. January.