I've taken lots of photos of this plant the last few days if you'd like to see them all follow this link [at this point still more to add!]
Cymraeg: rhwyddlwyn y maes, rhwyddlwyn y gerddi, rhwyddlwyn y gerddi [general speedwell]: llygad doli, llygad deryn, llygad deryn bach, llygad a gath, llygad glowyw, llysiau llywelyn, dail robin, llysiau’r cryman
Breton: Lagad-kaz [general] Louzaouenn-Santes-Veronika, Sglêrig-glaz, Glaziked, pendog, sklerig,
Cornish: growynles [all speedwell]
Common field speedwell, Persian speedwell, large field speedwell, bird's-eye, winter speedwell
Irish: Lus cré garraí
French: Véronique de Perse
A native of Eurasia and was first recorded in Britain in 1825. It is classed as an alien weed of arable land, but is found on wasteland and pretty well everywhere.