gwlydd-Mair y gors

== Welsh == === Etymology === Literally, “pimpernel of the bog”. === Noun === gwlydd-Mair y gors (plural, singular gwlyddyn-Mair y gors m) bog pimpernel (Lysimachia tenella) === Mutation === === Further reading === Cymdeithas Edward Llwyd (2016), “Y Bywiadur”, in Llên natur‎[1], retrieved 25 May 2025