Planothidium daui (Foged) Lange-Bert.

Planothidium daui (Foged) Lange-Bert.

Planothidium daui (Foged) Lange-Bert. in Iconogr. Diatomol. 6: 275. 19991

is new combination for Achnanthes daui Foged

1. (Basionym:) fig. 1: 10