Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) NIIYAMA Yuko and TUJI Akihiro,"Recent taxonomic modification of several planktonic species of Nostocales, Cyanophyceae",Japanese Journal of Limnology (Rikusuigaku Zasshi),0021-5104,The Japanese Society of Limnology,2012,74,3,153-164,https://cir.nii.ac.jp/crid/1390001204061314176,https://doi.org/10.3739/rikusui.74.153