476 Washington, Lake (Washington) US : Tilden 249 : Navicula radiosa Kützing Washington, Lake (Washington) US : Tilden 249 : Nitzschia spectabilis (Ehrenberg) Ralfs Washington, Lake (Washington) US : Tilden 249 : Synedra ulna (Nitzsch) Ehrenberg Watabutot Choung [?] (Bengal) India : Cleve & Müller 253 : Navicula viridula v. amphicerous f. parva Kützing Watermouth Cavens, Scotland [?] : H.L. Smith 613 : Amprora complexa Gregory Watkins Glen (New York) US : H.L. Smith 76 : Cocconeis pediculus Ehrenberg Wayland (New York) US : H.L. Smith 235 : Meridion circulare Greville Wedel (Schleswig-Holstein) FRG : Cleve & Möller 29 : Cymbella amphicephala Naegli Wedel (Schleswig-Holstein) FRG : Cleve & Möller 29 : Cymbella naviculiformis Auerswald Wedel (Schleswig-Holstein) FRG : Eulenstei 115 : Coscinodiscus subtilis Ehrenberg Wedel (Schleswig-Holstein) FRG : H.L. Smith 371 : Nitzschia taenia W. Smith Wedel (Schleswig-Holstein) FRG : Van Heurck 20 : Cymbella gastroides Kützing f. major Wedel (Schleswig-Holstein) FRG : Van Heurck 20 : Navicula major Kützing Wedel (Schleswig-Holstein) FRG : Van Heurck 24 : Cymbella cistula Hemprich Wedel (Schleswig-Holstein) FRG : Van Heurck 24 : Cymbella lanceolata Wedel (Schleswig-Holstein) FRG : Van Heurck 24 : Cymbella tumida (Brébisson) [Van Heurck] Wedel (Schleswig-Holstein) FRG : Van Heurck 24 : Gomphonema acuminatum v. trigonocephala Wedel (Schleswig-Holstein) FRG : Van Heurck 24 : Gomphonema constrictum v. [unnamed] Wedel (Schleswig-Holstein) FRG : Van Heurck 24 : Navicula radiosa Wedel (Schleswig-Holstein) FRG : Van Heurck 24 : Synedra pulchella v. [unnamed] Wedel (Schleswig-Holstein) FRG : Van Heurck 24 : Synedra splendens v. [unnamed] Wedel (Schleswig-Holstein) FRG : Van Heurck 95 : Navicula pygmaea Kützing Wedel (Schleswig-Holstein) FRG : Van Heurck 95 : Navicula salinarum Grunow Wedel (Schleswig-Holstein) FRG : Van Heurck 210 : Gomphonema subclavatum Grunow Wedel (Schleswig-Holstein) FRG : Van Heurck 417 : Cylindrothea gracilis Grunow Wedel (Schleswig-Holstein) FRG : Van Heurck 417 : Navicula pygmaea Kützing Wedel (Schleswig-Holstein) FRG : Van Heurck 532 : Coscinodiscus rothii Grunow f. major Weiden am See (Burgenland) Austria : Kneiff & Hartmann 3045 : Achnanthes microcephala Grunow Weiden am See (Burgenland) Austria : Kneiff & Hartmann 3045 : Amphora ovalis Kützing Weiden am See (Burgenland) Austria : Kneiff & Hartmann 3045 : Amomoeones polygramma Weiden am See (Burgenland) Austria : Kneiff & Hartmann 3045 : Caloneis silicula Cleve Weiden am See (Burgenland) Austria : Kneiff & Hartmann 3045 : Caloneis silicula Cleve v. peisonis Hustedt Weiden am See (Burgenland) Austria : Kneiff & Hartmann 3045 : Campylodiscus clypeus Ehrenberg Weiden am See (Burgenland) Austria : Kneiff & Hartmann 3045 : Cocconeis placentula Weiden am See (Burgenland) Austria : Kneiff & Hartmann 3045 : Cymbella aequalis W. Smith Weiden am See (Burgenland) Austria : Kneiff & Hartmann 3045 : Cymbella aspera Cleve Weiden am See (Burgenland) Austria : Kneiff & Hartmann 3045 : Cymbella cistula Hemprich Weiden am See (Burgenland) Austria : Kneiff & Hartmann 3045 : Diatoma elongatum Weiden am See (Burgenland) Austria : Kneiff & Hartmann 3045 : Epithemia argus Kützing Weiden am See (Burgenland) Austria : Kneiff & Hartmann 3045 : Epithemia turgida Kützing Weiden am See (Burgenland) Austria : Kneiff & Hartmann 3045 : Epithemia turgida Kützing v. granulata Kützing Weiden am See (Burgenland) Austria : Kneiff & Hartmann 3045 : Fragilaria capucina Desmazières Weiden am See (Burgenland) Austria : Kneiff & Hartmann 3045 : Gomphonema intricatum Kützing Weiden am See (Burgenland) Austria : Kneiff & Hartmann 3045 : Gomphonema parvulum Ehrenberg Weiden am See (Burgenland) Austria : Kneiff & Hartmann 3045 : Hantzschia amphioxys Grunow Weiden am See (Burgenland) Austria : Kneiff & Hartmann 3045 : Navicula gastrum Ehrenberg Weiden am See (Burgenland) Austria : Kneiff & Hartmann 3045 : Navicula oblonga Kützing Weiden am See (Burgenland) Austria : Kneiff & Hartmann 3045 : Navicula radiosa Weiden am See (Burgenland) Austria : Kneiff & Hartmann 3045 : Nitzschia sigmoidea W. Smith Weiden am See (Burgenland) Austria : Kneiff & Hartmann 3045 : Rhopalodia gibba O. Müller Weiden am See (Burgenland) Austria : Kneiff & Hartmann 3045 : Surirella apiculata W. Smith