Achnanthes affinis var. affinis Grunow in Cleve & Grunow, 1880 accepted as Achnanthes affinis Grunow, 1880 accepted as Achnanthidium affine (Grunow) Czarnecki, 1994 (original description)
Achnanthes agglutinata Grunow in Cleve & Grunow, 1880 (original description)
Achnanthes bengalensis Grunow in Cleve & Grunow, 1880 (original description)
Achnanthes bengalensis var. bengalensis Grunow in Cleve & Grunow, 1880 accepted as Achnanthes bengalensis Grunow in Cleve & Grunow, 1880 (original description)
Achnanthes bengalensis var. subventricosa Grunow in Cleve & Grunow, 1880 (original description)
Achnanthes biasolettiana var. biasolettiana Grunow accepted as Achnanthes biasolettiana Grunow, 1880 accepted as Achnanthidium pyrenaicum (Hustedt) H.Kobayasi, 1997 accepted as Achnanthes pyrenaica var. pyrenaica Hustedt, 1939 (original description)
Achnanthes brevipes var. contracta Grunow in Cleve & Grunow, 1880 (original description)
Achnanthes clevei var. clevei Grunow, 1880 (original description)
Achnanthes coarctata var. coarctata (Brébisson ex W. Smith) Grunow in Cleve & Grunow, 1880 accepted as Achnanthidium coarctatum var. coarctatum Brébisson ex W. Smith, 1855 (new combination reference)
Achnanthes crenulata var. crenulata Grunow in Cleve & Grunow, 1880 (original description)
Achnanthes cuneata Grunow in Cleve & Grunow as Achnanthes (seriata var.?) cuneata, 1880 (new combination reference)
Achnanthes danica var. danica (Flögel) Grunow in Cleve & Grunow, 1880 accepted as Cocconeis danica Flogel, 1873 (new combination reference)
Achnanthes delicatula var. delicatula (Kützing) Grunow in Cleve & Grunow, 1880 accepted as Achnanthidium delicatulum f. delicatulum Kützing, 1844 (new combination reference)
Achnanthes exigua var. exigua Grunow in Cleve & Grunow, 1880 (original description)
Achnanthes gibberula var. gibberula Grunow in Cleve & Grunow, 1880 (original description)
Achnanthes glabrata var. auklandica Grunow in Cleve & Grunow, 1880 (original description)
Achnanthes groenlandica var. groenlandica (Cleve) Grunow in Cleve & Grunow, 1880 accepted as Achnanthidium groenlandicum Cleve, 1873 (new combination reference)
Achnanthes hauckiana var. hauckiana Grunow in Cleve & Grunow, 1880 (original description)
Achnanthes heteromorpha var. heteromorpha Grunow in Cleve & Grunow, 1880 (original description)
Achnanthes jamalinensis Grunow in Cleve & Grunow, 1880 (original description)
Achnanthes javanica var. bengalensis Grunow in Cleve & Grunow, 1880 (original description)
Achnanthes javanica var. javanica Grunow in Cleve & Grunow, 1880 (original description)
Achnanthes javanica var. rhombica Grunow in Cleve & Grunow, 1880 (original description)
Achnanthes lanceolata var. dubia Grunow, 1880 (original description)
Achnanthes lanceolata var. lanceolata (Brébisson ex Kützing) Grunow in Cleve & Grunow, 1880 accepted as Achnanthidium lanceolatum f. lanceolatum Brébisson ex Kützing, 1846 (new combination reference)
Achnanthes linearis var. pusilla (Grunow) Cleve, 1895 accepted as Achnanthes pusilla Grunow in Cleve & Grunow, 1880 (original description)
Achnanthes marginulata var. marginulata Grunow in Cleve & Grunow, 1880 (original description)
Achnanthes mesogongyla Grunow in Cleve & Grunow, 1880 (original description)
Achnanthes pusilla Grunow in Cleve & Grunow, 1880 (original description)
Achnanthes seriata var. cuneata Grunow in Cleve & Grunow, 1880 (original description)
Achnanthes taeniata var. taeniata Grunow in Cleve & Grunow, 1880 (original description)
Amphiprora challengeri Grunow in Cleve & Grunow, 1880 (original description)
Amphiprora decussata var. decussata Grunow in Cleve & Grunow, 1880 (original description)
Amphiprora decussata var. septentrionalis Grunow, 1880 (original description)
Amphiprora elegans var. adriatica Grunow in Cleve & Grunow, 1880 (original description)
Amphiprora elegans var. gracilis Grunow in Cleve & Grunow, 1880 (original description)
Amphiprora gigantea var. kerguelensis Grunow in Cleve & Grunow, 1880 (original description)
Amphiprora kariana var. kariana Grunow in Cleve & Grunow, 1880 (original description)
Amphiprora kjellmanii var. kjellmanii Cleve in Cleve & Grunow, 1880 (original description)
Amphiprora maxima var. dubia Cleve & Grunow, 1880 (original description)
Amphiprora obtusata Grunow in Cleve & Grunow, 1880 (original description)
Amphiprora paludosa f. hyperborea Grunow in Cleve & Grunow, 1880 (original description)
Amphiprora paludosa var. borealis Grunow in Cleve & Grunow, 1880 (original description)
Amphiprora paludosa var. punctulata Grunow in Cleve & Grunow, 1880 (original description)
Amphiprora plicata var. subplicata Grunow in Cleve & Grunow, 1880 (original description)
Amphiprora pusilla var. samoensis Grunow in Cleve & Grunow, 1880 (original description)
Amphiprora striolata Grunow in Cleve & Grunow, 1880 (original description)
Amphiprora sulcata var. balearica Grunow in Cleve & Grunow, 1880 (original description)
Amphiprora tahitensis Grunow in Cleve & Grunow, 1880 (original description)
Amphitropis kariana var. kariana Grunow in Cleve & Grunow, 1880 (original description)
Amphitropis paludosa var. punctulata Grunow in Cleve & Grunow, 1967 (original description)
Amphitropis striolata Grunow in Cleve & Grunow, 1880 (original description)
Amphora angusta var. arctica Grunow in Cleve & Grunow, 1880 (original description)
Amphora jamalinensis var. jamalinensis Cleve & Grunow, 1880 (original description)
Amphora kariana Grunow in Cleve & Grunow, 1880 (original description)
Amphora labyrinthica Grunow in Cleve & Grunow, 1880 (original description)
Amphora ostrearia var. minor Grunow in Cleve & Grunow, 1880 (original description)
Amphora proteus var. kariana (A.Grunow) Grunow (original description)
Ardissonea baculus (Gregory) Grunow in Cleve & Grunow, 1880 accepted as Synedra baculus f. baculus Gregory, 1857 (new combination reference)
Ardissonea decipiens (Grunow) Grunow in Cleve & Grunow, 1880 accepted as Synedra decipiens Cleve & Grunow in Grunow, 1877 (new combination reference)
Ardissonea formosa var. formosa (Hantzsch in Rabenhorst) Grunow in Cleve & Grunow, 1880 accepted as Synedra formosa var. formosa Hantzsch in Rabenhorst, 1863 (new combination reference)
Ardissonea pulcherrima (Hantzsch in Rabenhorst) Grunow in Cleve & Grunow, 1880 accepted as Synedra pulcherrima Hantzsch in Rabenhorst, 1863 (new combination reference)
Ardissonea superba var. superba (Kützing) Grunow in Cleve & Grunow, 1880 accepted as Synedra superba var. superba Kützing, 1844 (new combination reference)
Asterionella kariana Grunow, 1880 (original description)
Chaetoceros atlanticus var. attenuata Grunow in Cleve & Grunow, 1878 (original description)
Chaetoceros atlanticus var. genuina Cleve in Cleve & Grunow, 1880 (original description)
Chaetoceros atlanticus var. tumescens Grunow in Cleve & Grunow, 1878 (original description)
Chaetoceros decipiens var. concreta Grunow (original description)
Chaetoceros furcillatus var. mamillosa Grunow in Cleve & Grunow, 1880 (original description)
Chaetoceros karianus Grunow, 1880 (original description)
Chaetoceros lorenzianus var. parvula Grunow in Cleve & Grunow, 1880 (original description)
Chaetoceros remotus Cleve & Grunow, 1880 (original description)
Chaetoceros wighamii Cleve & Grunow, 1880 (original description)
Chaetoceros wighamii f. minutus Cleve & Grunow, 1880 (original description)
Cocconeis finnmarchica Grunow, 1880 (original description)
Cocconema cistula var. siberica Grunow, 1880 (original description)
Cocconema cymbiforme var. parvum (Smith) Cleve, 1880 accepted as Cocconema parvum W.Smith, 1853 (new combination reference)
Cocconema helveticum (Kützing) Cleve & Grunow, 1880 accepted as Cymbella helvetica Kützing, 1844 (new combination reference)
Cocconema siberica Grunow in Cleve & Grunow, 1880 (original description)
Cocconema stomatophorum var. borealis Grunow, 1880 (original description)
Cocconema stomatophorum var. fossilis Grunow, 1880 (taxonomy source)
Cocconema stomatophorum var. genuina [Grunow] in Cleve & Grunow, 1880 (taxonomy source)
Cocconema stomatophorum var. gibba Grunow, 1880 (taxonomy source)
Cocconema stomatophorum var. stomatophorum Grunow in Cleve & Grunow, 1880 (original description)
Cocconema stuxbergii Cleve, 1880 (original description)
Coscinodiscus curvatulus var. kariana Grunow (original description)
Coscinodiscus granulosus var. granulosus Grunow in Cleve & Grunow, 1880 (original description)
Coscinodiscus hyalinus Grunow, 1880 (original description)
Coscinodiscus lacustris f. lacustris Grunow in Cleve & Grunow, 1880 (original description)
Coscinodiscus polyacanthus var. baltica Grunow in Cleve & Grunow, 1880 (original description)
Coscinodiscus polyacanthus var. polyacanthus Grunow in Cleve & Grunow, 1880 (original description)
Coscinodiscus subtilis var. sibericus Grunow in Cleve & Grunow, 1880 (original description)
Cyclotella ambigua Grunow, 1880 (original description)
Cyclotella striata f. striata (Kützing) Grunow in Cleve & Grunow, 1880 accepted as Coscinodiscus striatus Kützing, 1844 (new combination reference)
Eunotia eruca var. siberica Cleve, 1880 (original description)
Eunotia praerupta f. bidens (Ehrenberg; W. Smith) Grunow in Cleve & Grunow, 1880 accepted as Eunotia bidens Ehrenberg, 1843 (new combination reference)
Eunotia praerupta f. laticeps Grunow in Cleve & Grunow, 1880 (original description)
Eunotia siberica Cleve, 1880 (original description)
Fragilaria arctica (Grunow) M.Poulin, L.Bérard-Therriault & A.Cardinal, 1984 accepted as Synedra arctica Grunow, 1862 (original description)
Gyrosigma acuminatum var. curta Grunow in Cleve & Grunow, 1880 accepted as Pleurosigma acuminatum var. curta Grunow in Cleve & Grunow, 1880 (original description)