Achnanthidium blancheanum (G.Moser, Steindorf & Lange-Bert.) Lange-Bert. Achnanthidium blancheanum (G.Moser, Steindorf & Lange-Bert.) Lange-Bert. in Iconogr. Diatomol. 6: 270. 19991is new combination for Achnanthes blancheana R.Maillard ex G.Moser, Steindorf & Lange-Bert.1. (Basionym:) nom. inval. Maillard 1978, Cahier Orstom, ser. Hydrobiol. Vol. 12/2, p. 149, fig. 1:11