by George Stephen West
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A monograph of the British Desmidiaceæ
A Monograph of the British Desmidiaceæ
The Alga-flora of Yorkshire: A Complete ...
[Collected works
A contribution to the freshwater algae o...
Algae.
Freshwater Algae
How to know the fresh-water algae
Les algues d'eau douce
Water-quality and algal conditions in th...
A contribution to the history of the fre...
British fresh-water Algae