Arolwg o ganclwm Japan
Subtitle: Ynys Môn 1992 = Survey of Japanese knotweed : Anglesey 1992.
Publisher: Yr Adran = The Department
Published: 1993
Place of publication: Caernarfon
Language: wel
Other titles: Survey of Japanese knotweed: Anglesey 1992.
Notes: Welsh and English text.