Amphipleura danica var. ostrearia Grunow, 1877 accepted as
Navicula ostrearia Bory, 1827 (original description)
Amphipleura intermedia Grunow, 1877 (original description)
Amphipleura oregonica Grunow, 1877 (original description)
Amphipleura pellucida var. intermedia Grunow, 1877 (original description)
Amphipleura schumannii Grunow, 1877 (original description)
Amphipleura weissflogii Janisch ex Grunow, 1877 (original description)
Bacillaria paradoxa var. tropica (Grunow) Grunow, 1877 accepted as
Bacillaria tropica Grunow, 1867 (new combination reference)
Berkeleya adriatica sensu Grunow, 1877 (original description)
Berkeleya hospitans Grunow, 1877 (original description)
Berkeleya interrupta var. interrupta (Kützing) Grunow, 1880 accepted as
Rhaphidogloea interrupta Kützing, 1844 (new combination reference)
Berkeleya medusina (Kützing) Grunow, 1877 accepted as
Rhaphidogloea medusina Kützing, 1844 (new combination reference)
Berkeleya penicillata (Kützing) Grunow, 1877 accepted as
Homoeocladia penicillata Kützing, 1849 (new combination reference)
Cerataulus chinensis Grunow, 1877 (original description)
Cerataulus laevis var. chinensis Grunow, 1877 (original description)
Climaconeis lorenziana Grunow, 1877 (original description)
Eunotia lunaris (Ehrenberg) Grunow, 1882-1885 accepted as
Synedra lunaris var. lunaris Ehrenberg, 1832 (new combination reference)
Hantzschia A. Grunow, 1877 (original description)
Hantzschia vivax (W.Smith) Tempère, 1908 accepted as
Nitzschia vivax f. vivax W. Smith, 1853 (new combination reference)
Isthmia enervis var. capensis Grunow, 1877 (original description)
Licmophora remus Grunow, 1877 (original description)
Mastogloia apiculata var. pusilla Grunow, 1877 (original description)
Mastogloia bisulcata var. bisulcata Grunow, 1877 (original description)
Mastogloia erythraea var. biocellata Grunow, 1877 (original description)
Mastogloia jelineckii (Grunow) Grunow, 1877 accepted as
Navicula jelineckii var. jelineckii Grunow, 1863 (new combination reference)
Mastogloia reticulata var. reticulata (Grunow) Grunow, 1877 accepted as
Navicula reticulata Grunow, 1867 (new combination reference)
Mastogloia rostellata (Grunow) Grunow, 1877 (original description)
Navicula frauenfeldii (Grunow) Grunow, 1877 accepted as
Amphipleura frauenfeldii Grunow, 1863 (new combination reference)
Navicula fusiformis Grunow, 1877 accepted as
Haslea fusiformis (Grunow) Lobban & C.O.Perez in Lobban et al., 2020 (original description)
Navicula fusiformis var. ostrearia (Gaillon) Grunow, 1877 accepted as
Vibrio ostrearius Gaillon, 1820 (new combination reference)
Navicula perotettii (Grunow) Grunow, 1877 (new combination reference)
Navicula perrotettii (Grunow) Grunow, 1877 accepted as
Craticula perrotettii Grunow, 1868 '1867' (new combination reference)
Nitzschia kolaizeckii Grunow, 1877 (original description)
Orthoneis crucicula Grunow, 1877 (original description)
Orthoneis crucicula var. crucicula Grunow, 1877 (original description)
Plagiodiscus nervatus f. minor Grunow, 1877 (original description)
Rhoicosigma constrictum Grunow, 1877 (original description)
Rhoicosigma mediterraneum var. mediterraneum Cleve in Grunow, 1877 (original description)
Rhoicosigma reichardtii Grunow, 1877 (original description)
Rhoicosigma reichardtii var. constrictum Grunow, 1877 (original description)
Rhoicosigma spiralis (Kützing) Grunow, 1877 accepted as
Ceratoneis spiralis Kützing, 1844 (new combination reference)
Sceptroneis cuneata var. cuneata (Grunow) Grunow, 1877 accepted as
Synedra cuneata Grunow, 1867 (new combination reference)
Sceptroneis cuneata var. javanica Grunow, 1877 (original description)
Sceptroneis dubia Grunow, 1877 (original description)
Sceptroneis gomphonema (Janisch & Rabenhorst) Grunow, 1877 accepted as
Synedra gomphonema Janisch & Rabenhorst, 1863 (new combination reference)
Schizostauron lindigii Grunow, 1877 (original description)
Schizostauron reichardtii Grunow, 1877 (original description)
Schizostauron wrightii (O. Meara) Grunow, 1877 accepted as
Cocconeis wrightii O'Meara, 1867 (new combination reference)
Surirella reniformis var. reniformis Grunow, 1877 (original description)
Synedra baculus var. minor Grunow, 1877 (original description)
Synedra capillaris Grunow, 1877 (original description)
Synedra cornigera Grunow, 1877 (original description)
Synedra crystallina var. bacillaris Grunow, 1877 (original description)
Synedra crystallina var. decipiens Grunow, 1877 (original description)
Synedra crystallina var. insignis Grunow, 1877 (original description)
Synedra decipiens Cleve & Grunow in Grunow, 1877 (original description)
Synedra laevigata f. laevigata Grunow, 1877 (original description)
Synedra laevigata var. hyalina Grunow, 1877 (original description)
Synedra laevigata var. obtusiuscula Grunow, 1877 (original description)
Synedra provincialis var. provincialis Grunow, 1877 (original description)
Synedra provincialis var. tortuosa Grunow, 1877 (original description)
Triceratium orbiculatum var. elongatum (Grunow) Grunow, 1877 (new combination reference)