Wood Speedwell Rust (Puccinia veronicae) affects only Wood Speedwell (Veronica montana), causing galls.  There is no host alternation, and only telia are produced.  The telia are light cinnamon-coloured, often in circles, on slightly thickened brown leaf spots.

host

Photograph the rust on the host.  Ensure you have noted the host-plant species in your comments

Woodland and shaded areas where the host species, Wood Speedwell occurs.