SALA, S.E., J.M. GUERRERO, & M.E. FERRARIO 1993 (Nov.) Redefinition of Reimeria sinuata (Gregory) Kociolek & Stoermer and recognition of Reimeria uniseriata nov. spec Diatom Res. 8(2): 439-446, 10 figs., 1 table [from Buenos Aires Province, Argentina]