This typographic error appeared in Davies' Welsh Botanology (1813),[1] and occasionally features today in lists of synonyms for Agrostemma githago that reference this work.
↑ 1.01.1R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950–present), “ydig”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies