Plate of Pseudostaurosira brevistriata SEM's. Fig. 28. Valve side view depicting single row of areolae beneath spines (1 micrometer bar). Figs. 29-31. Inside views where small apical pore fields are evident (4 micrometer bar in Figs. 29 and 30; 1 micrometer bar in Fig. 31). (courtesy of Diatom Research, Biopress, Ltd., Williams and Round 1987)
Fragilaria brevistriata Grunow in V.H. Syn. Diat. Belgique, p. 157. 1885.
Fragilaria brevistriata is tolerant of a wide range of conductivity in fresh water (Patrick and Reimer 1966). Most records from Lake Michigan are from nearshore areas; however the greatest abundances have been found in smaller mesotrophic to eutrophic lakes (Stoermer and Yang 1969).