255 Austrueel (Antwerpen) Belgium : Van Heurck 131 : Surirella ovata v. [unnamed] Austrueel (Antwerpen) Belgium : Van Heurck 195 : Achnanthes hungarica Austrueel (Antwerpen) Belgium : Van Heurck 196 : Amphiprora paludosa W. Smith Austrueel (Antwerpen) Belgium : Van Heurck 196 : Amphora veneta Austrueel (Antwerpen) Belgium : Van Heurck 196 : Cocconeis placentula v. [unnamed] Austrueel (Antwerpen) Belgium : Van Heurck 196 : Diatoma elongatum Austrueel (Antwerpen) Belgium : Van Heurck 196 : Gomphonema montanum Austrueel (Antwerpen) Belgium : Van Heurck 196 : Gomphonema subclavatum Austrueel (Antwerpen) Belgium : Van Heurck 196 : Navicula pannonica Austrueel (Antwerpen) Belgium : Van Heurck 196 : Navicula protracta Austrueel (Antwerpen) Belgium : Van Heurck 196 : Navicula radiosa Austrueel (Antwerpen) Belgium : Van Heurck 196 : Navicula rhynchocephala Austrueel (Antwerpen) Belgium : Van Heurck 196 : Navicula salinarum Austrueel (Antwerpen) Belgium : Van Heurck 196 : Navicula slesvicensis Austrueel (Antwerpen) Belgium : Van Heurck 196 : Nitzschia palea Austrueel (Antwerpen) Belgium : Van Heurck 196 : Synedra affinis Austrueel (Antwerpen) Belgium : Van Heurck 196 : Synedra pulchella Austrueel (Antwerpen) Belgium : Van Heurck 197 : Coscinodiscus excentricus Austrueel (Antwerpen) Belgium : Van Heurck 197 : Coscinodiscus radiatus Austrueel (Antwerpen) Belgium : Van Heurck 460 : Melosira juergensii C. Agardh Austrueel (Antwerpen) Belgium : Van Heurck 460 : Melosira juergensii C. Agardh v. subangularis Grunow Austrueel (Antwerpen) Belgium : Van Heurck 460 : Nitzschia paradoxa Austrueel, see also Antwerp (Antwerpen) Belgium : Van Heurck 131, 196, 460 Autriche, see Austria : Van Heurck 16 Autun (Saône-et-Loire) France : Mougeot 354 : Amphora quadricostata Rabenhorst Autun (Saône-et-Loire) France : Mougeot 713 : Synedra pulchella Kützing Autun (Saône-et-Loire) France : Mougeot 942 : Pinnularia major v. crassa Autun, see also Montjeu (Saône-et-Loire) France : Mougeot 801 Avranches (Manche) France : H.L. Smith 287 : Amphiprora arenaria Brébisson Avranches (Manche) France : H.L. Smith 287 : Navicula kuetzingiana H.L. Smith Avranches (Manche) France : H.L. Smith 311 : Navicula radiosa Kützing Avranches (Manche) France : H.L. Smith 345 : Nitzschia curvula J.D. Möller Avranches (Manche) France : H.L. Smith 345 : Nitzschia gracilis Brébisson Avranches, see also Mont-Saint-Michel (Manche) France : Rabenhorst 2150 Azores : see Faial Baakens River (Cape of Good Hope) South Africa : Cleve & Möller 197 : Amphiprora lepidoptera v. producta Grunow Baakens River (Cape of Good Hope) South Africa : Cleve & Möller 197 : Amphotropis paludosa (W. Smith) [Pfizer] Baakens River (Cape of Good Hope) South Africa : Cleve & Möller 197 : Coscinodiscus opensis Grunow Baakens River (Cape of Good Hope) South Africa : Cleve & Möller 197 : Coscinodiscus lacustris v. capensis Grunow Baakens River (Cape of Good Hope) South Africa : Cleve & Möller 197 : Cyclotella meneghiniana v. binotata Grunow Baakens River (Cape of Good Hope) South Africa : Cleve & Möller 197 : Cymbella pusilla Grunow Baakens River (Cape of Good Hope) South Africa : Cleve & Möller 197 : Epithemia gibba Kützing Baakens River (Cape of Good Hope) South Africa : Cleve & Möller 197 : Hantzschia amphioxyx (Ehrenberg) [Grunow] Baakens River (Cape of Good Hope) South Africa : Cleve & Möller 197 : Mastogloiatwarei (Thwaites) [W. Smith] Baakens River (Cape of Good Hope) South Africa : Cleve & Möller 197 : Mastogloia smithii v. intermedia Grunow Baakens River (Cape of Good Hope) South Africa : Cleve & Möller 197 : Navicula affinis Ehrenberg Baakens River (Cape of Good Hope) South Africa : Cleve & Möller 197 : Navicula amphiceros f. parva Baakens River (Cape of Good Hope) South Africa : Cleve & Möller 197 : Navicula mutica v. undulata Baakens River (Cape of Good Hope) South Africa : Cleve & Möller 197 : Navicula pupula Kützing Baakens River (Cape of Good Hope) South Africa : Cleve & Möller 197 : Navicula radiosa v. punctata Baakens River (Cape of Good Hope) South Africa : Cleve & Möller 197 : Nitzschia africana Grunow Baakens River (Cape of Good Hope) South Africa : Cleve & Möller 197 : Nitzschia istula Grunow f. curta Baakens River (Cape of Good Hope) South Africa : Cleve & Möller 197 : Nitzschia dubia W. Smith v. minor