a plan and description of the European site(s) potentially affected, including a description of all qualifying features (a copy of the site data sheet is useful to include);
cynllun a disgrifiad o’r safle(oedd) Ewropeaidd y gellid effeithio arnynt o bosibl, gan gynnwys disgrifiad o’r holl nodweddion cymwys (mae’n ddefnyddiol cynnwys copi o ddalen ddata’r safle);