(Gymnosporangium)

(Gymnosporangium)

Observation - (Gymnosporangium). Description: Photos show the top and underside of a Hawthorn leaf with a gall. I think the gall is caused by Dasineura crataegi. Edit: changed to match RHoman's ID. Many thanks. Edit: Group changed from Invertebrates to Fungi & Lichens

Photos show the top and underside of a Hawthorn leaf with a gall. I think the gall is caused by Dasineura crataegi.

Edit: changed to match RHoman's ID. Many thanks.

Edit: Group changed from Invertebrates to Fungi & Lichens