Year: 2019, Number: 3, Pages: 14-52
In this review, a checklist of marine algal species distributed in the Peter the Great Bay is provided. It was based on the revision of published phycological records and results of revision of the own collection. The total checklist of seaweeds of the Peter the Great Bay includes 313 species (Rhodophyta — 156 species, Phaeophyceae — 87 species и Chlorophyta — 70 species) from 35 orders, 75 familiae and 191 genera. The most numerous orders are Ceramiales (58 species), Gigartinales (23 species) and Corallinales (20 species) among Rhodophyta; Ectocarpales (50 species) among Phaeophyceae; Ulotrichales (25 species), Ulvales (20 species) and Cladophorales (16 species) in Chlorophyta. The largest familiae are Chordariaceae (35 species), Ceramiaceae (15 species), Rhodomelaceae (22 species), Delesseriaceae (13 species), Ulotrichaceae (17 species), Cladophoraceae (16 species) and Ulvaceae (10 species).Twenty three species are recorded for this area after last revision, three species were found for the first time by author in 2018.