Analysis of the type material of Achnanthidium jackii Rabenhorst (Bacillariophyta, Achnanthidiaceae)
B. Van de Vijver, C. E. Wetzel, and L. Ector
Notulae algarum, no. 55, pp. 1-4, 2018
http://www.notulaealgarum.com/documents/Notulae%20algarum%20No.%2055.pdf