Bryophyte systematics
Clarke, Giles Colin Scott.
Duckett, Jeffrey Graham.
British Bryological Society.
London Academic Press for the Systematics Association and the British Bryological Society
1979
'Proceedings of an International Symposium held at the University College of North Wales, Bangor [on 16-19 August 1978]' - half title page verso
Includes bibliographies and index
Bryophytes