Taxonomic revisions to the differentiating diatom groups for water quality evaluation and some comments for taxa with new designations

Abstract

Differentiating diatom groups, which were proposed for water quality evaluation of Japanese - t ype river (Kobayasi & Mayama 1989), are nomenclaturally revised. New name s were designated for 32 taxa among Group A and Group B taxa. Taxonomic comments are described in some species, including a new combination, Craticula molestiformis (Hustedt)Mayama.