KINGSTON, John C., & Janice L. PAPPAS 2009 (Feb.) Quantitative shape analysis as a diagnostic and prescriptive tool in determining Fragilariforma (Bacillariophyta) taxon status Beih. Nova Hedwigia 135: 103-119, 3 figs., 1 table [Fragilariforma constructa, F. lata, F. polygonata, F. hungarica var. humida] |