GOV.WALES uses cookies which are essential for the site to work. Non-essential cookies are also used to tailor and improve services. By continuing to use this site, you agree to our use of cookies.
You are here:
Noun, Masculine, Singular
plâu egsotig
Rhywogaeth nad yw'n gynhenid i ardal benodol ac sy'n cael effaith andwyol ar rywogaethau cynhenid yr ardal honno.