Y gwahaniaeth rhwng diwygiadau o "Cenfetreg"

Ychwanegwyd 106 beit ,  1 mis yn ôl
Rescuing 1 sources and tagging 0 as dead.) #IABot (v2.0.8.1
(→‎top: Gwybodlen WD using AWB)
(Rescuing 1 sources and tagging 0 as dead.) #IABot (v2.0.8.1)
 
* Winchester, V., and Chaujar, R. K. (2002) Lichenometric dating of slope movements, Nant Ffrancon, North Wales. ''Geomorphology'', 47 (1), 61–74.
 
Gellid cael mwy o wybodaeth am y rhywogaethau gwahanol o gen ar wefan [http://www.thebls.org.uk/ Cymdeithas Cen Prydain] {{Webarchive|url=https://web.archive.org/web/20190703124407/http://www.thebls.org.uk/ |date=2019-07-03 }}
 
==Gweler hefyd==