PICHRTOVÁ, Martina, & Yvonne NEMCOVÁ 2008 (Dec. 11) ('April') Geometric morphometric analyses of silica-scale variation in four Mallomonas species (Synurophyceae, Stramenopiles) Nordic J. Botany 26(1/2): 77-82, 4 figs., 2 tables Mallomonas calceolus, M. kalinae, M. flora and M. striata |