Belcher, H. & Swale, E., 1976
A Beginner's Guide to Freshwater Algae
An introduction to freshwater algae enabling identification to genus of representative genera, by thumbing through the pictures.
||Her Majesty's Stationery Office (HMSO)
||0 11 881393 5
||A selection of genera that can be found in freshwater in Britain.
||Stipple drawings on right hand pages.
||Under a Compound Microscope.
||Fresh, living algae, or preserved by adding Tincture of Iodine until the water is pale brown.