Camburn and Charles 2000
Pinnularia brebissonii is smaller and has more broadly rounded ends.
Pinnularia premicrostauron has less strongly radiate central striae.
Pinnularia brebissonii var. bicuneata has smaller cells and more obtuse ends.
(Kütz.) Rabenh. 1864
Grunow in Van Heurck
Krammer and Metzeltin 2000