Tuesday
Oct142014
Rust Fungus
Tue 2014-10-14
What I think is the aecial stage of pear rust fungus, Gymnosporangium sabinae, on the underside of a leaf (presumably of a pear tree).
The upper side looked like this:
Photos taken in Dinton Pastures Country Park, Winnersh,near Reading, UK, on 2014-10-11.
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