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Leaf-Spot Fungus

Light-brown spots on leaves of Arum maculatum, probably caused by the fungus Spermosporina aricola.

I took the following leaf home with me to look at more closely:

This is a close-up of the spots on the upper surface:.

And this is the lower surface:

Unfortunately I was unable to get any spores from them.

First photo and specimen taken in Whiteknights Park, Reading, UK, on 2014-04-05.

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