NIELSEN, Ruth, Gitte PETERSEN, Ole SEBERG, Niels DAUGBJERG, Charles J. O'KELLY & Brian WYSOR 2013 (Jan. 4) Revision of the genus Ulvella (Ulvellaceae, Ulvophyceae) based on morphology and tufA gene sequences of species in culture, with Acrochaete and Pringsheimiella placed in synonymy Phycologia 52(1): 37-56, 57 figs., 1 table 10 new species described, new combinations proposed |