Achnanthes haynaldii var. elliptica-lanceolata Schaarschmidt, 1881 (original description)
Achnanthes haynaldii var. haynaldii Schaarschmidt, 1881 accepted as Planothidium haynaldii (Schaarschmidt) Lange-Bertalot, 1999 (original description)
Achnanthes haynaldii var. oblongo-elliptica Schaarschmidt, 1881 (original description)
Achnanthes haynaldii var. vulgaris Schaarschmidt, 1881 (original description)
Epithemia gibba var. gibbosa Schaarschmidt-Istvanffi, 1881 (original description)
Epithemia gibba var. subparallela Schaarschmidt-Istvanffi, 1881 (original description)
Epithemia gibba var. tumida Schaarschmidt-Istvanffi, 1881 (original description)
Epithemia ventricosa var. genuina Schaarschmidt (Istvanffi), 1881 (original description)
Epithemia ventricosa var. gibbosa Schaarschmidt (Istvanffi), 1881 (original description)
Epithemia ventricosa var. subparallela Schaarschmidt, 1881 (original description)
Epithemia ventricosa var. tumida Schaarschmidt (Istvanffi), 1881 (original description)
Gomphonema constrictum var. aequatoriense Schaarschmidt, 1881 (original description)
Gomphonema kanitzii J.Schaarschmidt (original description)
Pinnularia brebissonii var. incisa Schaarschmidt, 1881 (original description)
Pinnularia sodiroi Schaarschmidt, 1881 (original description)
Schizonema haynaldii Schaarschmidt (Istvanffi), 1881 (original description)
Synedra amphicephala var. sigmoidea Schaarschmidt, 1881 (original description)