Vilaclara, G.; Lugo, A.; Martínez, S.
(Sociedad Mexicana de Historia Natural, 1994)
Two new genera registers of phytoflagellata are reported for Mexico. Pyrobotrys and Chlorobrachis -O. Volvocales, Cl Chlorophyceae- were observed in sewage water stabilization ponds at Ixtapan de la Sal, Edo. Mex. ...