Pinnularia major f. neglecta
Pinnularia major var. subacuta
Pinnularia major var. convergens
Pinnularia major f. hinganica
Pinnularia major var. horrida
Pinnularia major var. kuetzingii
Pinnularia major var. linearis
Pinnularia major var. clavata
Pinnularia major var. paludosa
Pinnularia major var. lacustris
Pinnularia major var. shantungensis
Pinnularia major var. capitata
Pinnularia major var. turgidula
Pinnularia major f. manschurica