New records of planktonic cyanobacteria in New Zealand freshwaters

New records of planktonic cyanobacteria in New Zealand freshwaters are reported. Identified for the first time were one genus, Sphaerocavum, represented by one species, and one species of Aphanocapsa, five species of Microcystis, and three of Anabaena. Microcystis panniformis has previously been recorded only from tropical or subtropical regions. Descriptions, drawings, and photographs of species are presented.