Nigel Cattlin / Septoria leaf spot / Septoria nodorum blotch (Phaeosphaeria nodorum) necrotic disease lesions on Wheat (Triticum aestivum) leaves, close up.

Nigel Cattlin / Leaf canker (Leptosphaeria maculans) lesion with black pycnidia on the leaf of Oilseed rape (Brassica napus) .

Nigel Cattlin / Ring spot (Leptosphaeria sacchari) fungal disease lesions on sugar cane leaf, Thailand, South East Asia.

Nigel Cattlin / Leaf spot (Ascochyta fabae) crop fungal disease lesions on a field bean leaf (Vicia faba)