Watanabeaceae family accepted

Edaphochloris A.Temraleeva, E.Krivina & O.Boldina, 2021 genus doubtful

Schizogoniales order synonym

Prasiolales order accepted

Chlorellales order accepted

Microthamniales order accepted

Oocystales order accepted

Crucigenia Morren, 1830 genus accepted

Koliellopsis G.M.Lokhorst, 2004 genus doubtful

Lemmermannia Chodat, 1900 genus synonym

Heveochlorella Zhang, Huss, Sun, Chang & Pang, 2008 genus accepted

Pseudomarvania M.Eliás & J.Neustupa, 2009 genus doubtful

Ctenocladales order synonym

Desertella K.Fucüková, P.O.Lewis & L.A.Lewis, 2014 genus doubtful

Tetradesmus Chodat genus doubtful

Xerochlorella K.Fucüková, P.O.Lewis & L.A.Lewis, 2014 genus doubtful

Eremochloris K.Fucüková, P.O.Lewis & L.A.Lewis, 2014 genus accepted

Crucigeniella Gaillon, 1833 genus doubtful

Chloropyrula L.Gaysina, Y.Nemcová, P.Škaloud, T.Ševcíková & M.Eliáš, 2013 genus accepted

Parachloroidium J.Neustupa & P.Škaloud, 2013 genus accepted

Crucigeniella Lemmermann, 1900 genus synonym

Trebouxiales order accepted