RYBALKA, Nataliya, Robert A. ANDERSEN, Igor KOSTIKOV, Kathrin I. MOHR, Andrzej MASSALSKI, Maria OLECH, & Thomas FRIEDL 2009 (Mar.) Testing for endemism, genotypic diversity and species concepts in Antarctic terrestrial microalgae of the Tribonemataceae (Stramenopiles, Xanthophyceae) Environmental Microbiology 11(3): 554-565, 3 figs., 2 tables Epitypes established for Xanthonema bristolianum, X. debile, X. exile, X. horomidioides, X. sessile |