Homotypic synonym according to GBIF classification (Originally found in sources as accepted taxon within Auxenochlorella (I.Shihira & R.W.Krauss) T.Kalina & M.Puncochárová, 1987)
Chlorella minutissima Fott & Novakova
Doubtful according to GBIF classification (Possible variant of Chlorella minutissima (Gickelh.) Bourr.)
Chlorella vulgaris Beyerinck
Doubtful according to GBIF classification (Possible variant of Chlorella vulgaris Beij.)