Desmids of the United States and List of American Pediastrums

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. Although this work is believed to be exhaustive of all now known concerning the Desmids of the United States, yet the author regards it only as the pioneer to others much larger and therefore more valuable, wherein ...