Free Preview of Fresh-water Algae of the United States; (exclusive of the Diatomaceae) Complemental to Desmids of the United States ... One Hundred and Fifty-one Plates ... Including Nine Additional Plates of Desmids: Text
Fresh-water Algae of the United States; (exclusive of the Diatomaceae) Complemental to Desmids of the United States ... One Hundred and Fifty-one Plates ... Including Nine Additional Plates of Desmids: Text