Taphrina crataegi
Description
This is a fungus which causes pale green blister-like galls on Hawthorn.
Identification difficulty

Habitat
Hawthorn leaves.
When to see it
Spring and summer.
VC55 Status
Status in Leicestershire and Rutland not known.
Leicestershire & Rutland Map
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MAP KEY:
Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015