An atlas of the seaweeds of Northumberland and Durham /
Hardy, F. G.
Aspinall, R. J.
Hancock Museum.Northumberland Biological Records Centre.
Newcastle upon Tyne, England : Northumberland Biological Records Centre Hancock Museum,
1988.
Marine algae
Chrysophyceae.
Cyanobacteria.
Brown algae.
Red algae.
Green algae.