The 2011 edition of “The Freshwater Algal Flora of the British Isles”: additions, corrections, nomenclatural and taxonomic changes

Taxonomic, nomenclatural and distributional changes since the publication of 2011 edition (reprinted 2021) The Freshwater Algal Flora British Isles (“Flora”) are reviewed together with some overlooked earlier. Many more recent a result studies combining an analysis morphological DNA sequence data. Of 473 reported most concern Chlorophyta (131) Charophyta (156) followed by Cyanobacteria (101), alterations to involving desmids (136). Also included 83 new additions Irish freshwater algal floras, including 20 in Flora. Most these records: four newly described Synura hibernica (Ochrophyta, Chrysophyceae, Synurales) Chlorococcum turfosum (Chlorophyta, Chlorophyceae, Chlamydomonadales) also new. include information on locality, collector source. Reference is made discussions giving reasons why genera species combinations were not accepted, particularly concerning for which relatively conservative approach had been adopted previous