Annotated Key to the Identification of Commonly Occurring and Dominant Genera of Algae Observed in the Phytoplankton of the United States e-bog

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. Subsequent to Patrick's paper, the emphasis changed from studies that were purely qualitative in nature to quantitative expressions of community structures, associations, and diversities.