bywydog Gymreig

== Welsh == === Etymology === Literally, “Welsh stonecrop”. === Noun === bywydog Gymreig f (uncountable) Welsh stonecrop, rock stonecrop (Petrosedum fosterianum syn. Sedum fosterianum) ==== Synonyms ==== briweg Gymreig === Mutation === === Further reading === Cymdeithas Edward Llwyd (2018), “Y Bywiadur”, in Llên natur‎[1], retrieved 12 August 2025. R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “bywydog Gymreig”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies