Achnanthes lanceolata var. oestrupii A.Cleve
Achnanthes lanceolata var. oestrupii in Acta Forestalia Fennica 22(4): 53, pl. 1, fig. 1. 1922
is basionym for Skabitschewskia oestrupii in Lake Baikal: Hotspot of endemic diatoms II. Iconographia Diatomologica, 26: 85. 2015