Hawthorn fungus

Hawthorn fungus

Observation - Hawthorn fungus - UK and Ireland. Description: Growing on Hawthorn - red/orange mark on upper side of leaf - projections below. see https://sites

Growing on Hawthorn - red/orange mark on upper side of leaf - projections below.
see
https://sites.google.com/site/scottishfungi/species-profiles/gymnoporangium-cornutum-clavariforme