Cymbella microcephala f. sublinearis Lund, 1946 (original description)
Navicula cryptocephala f. terrestris Lund, 1946 (original description)
Navicula fritschii J.W.G.Lund, 1946 (original description)
Navicula heufleriana var. minor J.W.G.Lund, 1946 (original description)
Navicula ignota Krasske, 1932 (original description)
Navicula ignota var. anglica J.W.G.Lund, 1946 (original description)
Navicula ignota var. palustris (Hustedt) Lund, 1946 accepted as
Navicula lagerstedtii var. palustris Hustedt, 1934 (new combination reference)
Navicula pseudagrestis Lund, 1946 (original description)
Navicula pseudatomus Lund, 1946 (original description)
Navicula tenelloides Hustedt, 1937 (original description)
Navicula terrestris f. relicta (McCall) Lund, 1946 (new combination reference)
Navicula terrestris f. triundulata Lund, 1946 (original description)
Navicula vaucheriae var. densistriata Lund, 1946 (original description)
Nitzschia communis var. hyalina J.W.G.Lund, 1946 (original description)
Nitzschia parvula var. terricola Lund, 1946 (original description)
Nitzschia terricola Lund, 1946 (original description)
Pinnularia saxicola J.W.G.Lund, 1946 (original description)
Stauroneis borrichii f. borrichii (Boye Petersen) Lund, 1946 accepted as
Navicula borrichii var. borrichii Boye Petersen, 1915 (new combination reference)
Stauroneis borrichii var. subcapitata (Boye Petersen) Lund, 1946 accepted as
Navicula borrichii var. subcapitata J.B.Petersen, 1915 (new combination reference)
Stauroneis muriella f. capitata Lund, 1946 (original description)
Stauroneis muriella f. genuina Lund, 1946 (original description)
Stauroneis muriella f. linearis Lund, 1946 (original description)
Stauroneis muriella f. muriella Lund, 1946 (original description)
Stauroneis muriella f. triundulata Lund, 1946 (original description)
Stauroneis thermicola f. thermicola (Petersen) Lund, 1946 accepted as
Navicula thermicola J.B.Petersen, 1928 (new combination reference)
Stauroneis thermicola var. elongata Lund, 1946 (original description)
Stauroneis truncata J.W.G.Lund, 1946 (original description)