COMPERE, Pierre, & Bart VAN DE VIJVER 2011 (March) Achnanthidium ennediense (Compère) Compère et Van de Vijver comb. nov. (Bacillariophyceae), the true identity of Navicula ennediensis Compère from the Ennedi Mountains (Republic of Chad) Algol. Studies 136/137: 5-17, 58 figs., 1 table |