CASTELEYN, Griet, Nicolaus G. ADAMS, Pieter VANORMELINGEN, Ann-Eline DEBEER, Koen SABBE, & Wim VYVERMAN 2009 (May) Natural hybrids in the marine diatom Pseudo-nitzschia pungens (Bacillariophyceae): genetic and morphological evidence Protist 160(3): 343-354, 3 figs., 4 tables hybridization between vars. pungens and cingulata |