A proposal for the unification of five species of the cyanobacterial genus Microcystis Kützing ex Lemmermann 1907 under the rules of the Bacteriological Code.Shigeto Otsuka, Makoto M. Watanabe, Hiroshi Oyaizu et al.|INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY|2001Cited by 172
Morphological variability of colonies of Microcystis morphospecies in culture.Shigeto Otsuka, Makoto M. Watanabe, Renhui Li et al.|The Journal of General and Applied Microbiology|2000Cited by 171