NICHOLS, H. Wayne, Martha S. NICHOLS, Christian M. THOMAS, Jeffrey S. DEACON, & Michael VEITH 1991 A new Sphaerellocystis (Palmellopsidaceae, Tetrasporales) from prairie soils Archiv für Protistenkunde 140(2/3): 157-170, 21 figs., 3 tables Sphaerellocystis aplanospora; incl. key to genus |