Achnanthes daonensis Lange-Bert.

Achnanthes daonensis Lange-Bert.

Achnanthes daonensis Lange-Bert. in Achnanthes. Biblioth. Diatomol., 18: 43, pl. 19, fig. 27-32; pl. 25, fig. 1-6; pl. 95. 1989

is basionym for Psammothidium daonense Lange-Bert. in Iconogr. Diatomol. 6: 280. 19991

1. (Basionym:) fig. 19: 27-32; 25: 1-6