Ecology of the floating water-plantain : Luronium natans /
Lansdown, R. V.
Wade, P. M.(P. Max).
Great Britain.Environment Agency.
English Nature (Agency)
Countryside Council for Wales.
Scottish Environment Protection Agency.
Scottish Natural Heritage (Agency)
Scotland & Northern Ireland Forum for Environmental Research.
Scottish Natural Heritage (Agency).Information and Library Services,former owner.StEdNL
Peterborough : Life in UK Rivers,
c2003.
Title from cover.
Published by Life in UK Rivers, a joint venture involving English Nature (EN), the Countryside Council for Wales (CCW), the Environment Agency (EA), the Scottish Environment Protection Agency (SEPA), Scottish Natural Heritage (SNH), and the Scotland and Northern Ireland Forum for Environmental Research (SNIFFER).
Printed label inside front cover: Information & Library Services, Scottish Natural Heritage.