Veronica serpyllifolia,
Cymraeg: rhywyddlwyn dail teim, Rhwyddlwyn Gruwddail
Breton: [Veronica sp general] Louzaouenn Santes Veronika, Pendog, Glaziked, Sklerig, Sklerig glaz
Cornish: growynles tymdhēl
thyme-leaved Speedwell, Thymeleaf Speedwell