Puccinia glechomatis

The rust fungus Puccinia glechomatis galls the leaves of Ground-ivy affecting the stem, petiole or underside of the leaf veins. The areas become swollen, yellow, brown or black bearing telia, each up to 1 mm across, usually in groups up to 4 mm across.

Where the host plants occur.

When the host species are in leaf, but especially around September.

Widespread and fairly frequent in Britain.

Status in Leicestershire and Rutland not known.