196 serians (Navicula) : Van Heurck 160 : Bemachie (Grampian) Scotland serians (Navicula) : Van Heurck 263 : Lillhagen (Göteborg och Bohus) Sweden serians (Navicula) : Van Heurck 274 : Norway serians (Navicula) : Van Heurck 420 : Great Britain serians (Navicula) : Van Heurck 462 : Mull (Strathclyde) Scotland serians (Navicula) (Brébisson) [Kützing] : Eulenstein 74 : Tillouitz (Opole) Poland serians (Navicula) Brébisson Kützing : Rabenhorst 684 : (Calvados) France serians (Navicula) Brébisson Kützing : Rabenhorst 1653 : Tillouitz (Opole) Poland serians (Navicula) Brébisson Kützing : Rabenhorst 2354 : Isfahan (Isfahan) Iran serians (Navicula) Brébisson : Cleve & Möller 235 : Loka[?], Sweden serians (Navicula) Brébisson : Cleve & Möller 272, 273 : Degernäs (Orebro) Sweden serians (Navicula) Brébisson : Cleve & Möller 274 : Bemis Lake (New Hampshire) US serians (Navicula) Brébisson : Cleve & Möller 275 : Troy (New Hampshire) US serians (Navicula) Brébisson : Cleve & Möller 291 : (Cornwall) England serians (Navicula) Kützing : Cleve & Möller 28 : Lulea (Norrbotten) Sweden serians (Navicula) Kützing : Cleve & Möller 37 : Lulea (Norrbotten) Sweden serians (Navicula) Kützing : H.L. Smith 320 : Tillowitz (Opole) Poland serians (Navicula) Kützing : Rabenhorst 2201 : Lillhagsjan Umea [Lake] (Västerbotten) Sweden serians (Navicula) Kützing : Rabenhorst 2207 : Grunowitz (Opole) Poland serians (Navicula) Kützing : Rabenhorst 2209 : Tillowitz (Opole) Poland serians (Navicula) Kützing : Rabenhorst 2560 : Mathias Pass[?] (Canterbury) New Zealand serians (Navicula) Kützing : Van Heurck 125 : Edgefield [?] (Humberside) England serians (Navicula) v. amphipleuroides Grunow : Cleve & Möller 324 : Atanek [?], Greenland serians (Navicula) Kützing v. angusta : Cleve & Möller 37 : Lulea (Norrbotten) Sweden serians (Navicula) v. brachysira Brébisson : Cleve & Möller 324 : Atanek [? h], Greenland serians (Navicula) v. brachysira Brébisson : Van Heurck 126 : Cornimont (Namur) Belgium serians (Navicula) v. brachysira f. minuta : Van Heurck 127 : Bouillon (Luxembourg) Belgium serians (Navicula) v. curta Grunow : Van Heurck 161 : Arthurs Pass (Canterbury) New Zealand serians (Navicula) Kützing f. curta : Cleve & Möller 90 : Arthurs Pass (Canterbury) New Zealand serians (Navicula) Brébisson v. follis Ehrenberg : Cleve & Möller 272, 273 : Degernäs (Orebro) Sweden serians (Navicula) Brébisson v. follis : Cleve & Möller 274 : Bemis Lake (New Hampshire) US serians (Navicula) Brébisson v. follis Ehrenberg : Cleve & Möller 275 : Troy (New Hampshire) US serians (Navicula) v. minima : Van Heurck 39 : Braemar (Grampian) Scotland serians (Navicula) Brébisson v. minor : Cleve & Möller 291 : (Cornwall) England serians (Navicula) Kützing v. minor : H.L. Smith 321 : Arthurs Pass (Canterbury) New Zealand serians (Navicula) v. minuta : Cleve & Möller 185 : Brazil serians (Navicula) v. minuta : Cleve & Möller 186 : Dovre (Oppland) Norway serians (Navicula) Brébisson v. minuta : Cleve & Möller 267, 268 : Kringsjötorp (Orebro) Sweden serians (Navicula) Brébisson v. minuta : Cleve & Möller 272, 273 : Degernäs (Orebro) Sweden serians (Navicula) Kützing v. minuta : Cleve & Möller 37 : Lulea (Norrbotten) Sweden serians (Navicula) v. zellensis f. curta Grunow : Cleve & Möller 261 : Tana Elf (Finnmark) Norway serians (Navicula) v. [unnamed] : Van Heurck 275 : [No locality] serians (Navicula) v. [unnamed] : Van Heurck 544 : Bemis Lake (New Hampshire) US serians (Nitzschia) (Brébisson) Rabenhorst : Van Heurck 383 : Falaise (Calvados) France serians (Synedra) (Brébisson) Rabenhorst : Rabenhorst 482 : Dresden (,Dresden) GDR seriata (Achnanthes) : Van Heurck 358 : Great Britain seriata (Achnanthes) C. Agard : H.L. Smith 719 : Cayenne, French Guiana seriata (Bacillaria) Ehrenberg : Desmazeières, ed. 3, 101 : Falaise (Calvados) France seriata (Bacillaria) Ehrenberg : Mougeot 1487 : Falaise (Calvados) France sericeum (Schizonema) Suhr : Breutel 210 : Flensburg (Schleswig-Holstein) FRG serpentina (Grammatophora) : Rabenhorst 783 : Flensburg (Schleswig-Holstein) FRG serpentina (Grammatophora) : Ekart, ser. 2, 625 : Golfo di Napoli (Campania) Italy serpentina (Grammatophora) : Kitton 82 : Cromer (Norfolk) England serpentina (Grammatophora) : Rabenhorst 2437 : Reikjavik (Gullbringusysla) Iceland serpentina (Grammatophora) : Van Heurck 242 : Great Britain serpentina (Grammatophora) : Van Heurck 243 : (Jersey) Channel Islands