Septoria cornicola is a fungus that affects the leaves of Dogwoods (Cornus species). Uniform, medium purplish spots appear on the leaves; spots may be angular. Centre of spot turns grey, but spots retain the deep purple border.
Wherever the host Dogwoods (Cornus species) occur.
When the host species are in leaf.
Little recorded in Britain.
Status in Leicestershire and Rutland not known.
Leicestershire & Rutland Map
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Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015