Type analysis of Achnanthes oblongella Østrup and resurrection of Achnanthes saxonica Krasske (Bacillariophyta)
C. E. Wetzel, H. Lange-Bertalot, L. Ector
Nova Hedwigia, Beiheft 146, pp. 209-227, 2017
DOI: 10.1127/1438-9134/2017/209