Small flowers, similar size to dog violet.
No interactions present.
I was wrong. I now see that the difference between spp of Veronica is given here http://www.ispot.org.uk/node/254977
University of Edinburgh and Biodiversity Observatory (OU)
I wouldn't worry about it Jonathan, I've done it myself. Having said that, nobody has agreed with me yet!
Lat/Lng: 54.2635, -1.6039
OS grid ref: SE258853
Thorpe Perrow arboretum