Thistle's picture

Sycamore leaf disease for ID, please

Observed: 3rd August 2013 By: ThistleThistle’s reputation in Fungi and LichensThistle’s reputation in Fungi and LichensThistle’s reputation in Fungi and LichensThistle’s reputation in Fungi and Lichens
Sycamore leaf disease for ID, please
Sycamore leaf disease for ID, please
Description:

What has caused the large black area on this Sycamore (Acer pseudoplatanus) leaf? I don't think it's Tar Spot (Rhytisma acerinum)(too early in the season and no yellow area around the black; I suspect the little spots elsewhere on the leaf are the beginnings of Tar Spot.)

Identifications

No identification made yet.

Species interactions

No interactions present.