PRESCOTT, G. 1970. How to know the freshwater algae. Dubuque: William C. Brown Company.
How to know the freshwater algae
TIFFANY, LH. 1958. Algae: the grass of many waters. Springfield: Charles C. Thomas Company.
Algae: the grass of many waters
This content is only available via PDF.
Copyright 1977 National Association of Biology Teachers