Achnanthes butterfassiana Lange-Bert.

Achnanthes butterfassiana Lange-Bert.

Achnanthes butterfassiana Lange-Bert. in Achnanthes. Biblioth. Diatomol., 18: 34, 35, pl. 71, fig. 15-29; pl. 72, fig. 2-5. 1989

is basionym for Nupela butterfassiana (Lange-Bert.) Lange-Bert. in Iconogr. Diatomol. 6: 274. 19991

1. (Basionym:) fig. 71: 15-29; 72: 2-5