452 Stein (Rheinland-Pfalz) FRG : Rabenhorst 2554 : Navicula forcipata Gregory Stein (Rheinland-Pfalz) FRG : Rabenhorst 2554 : Navicula lyra Ehrenberg v. forcipata Stein (Rheinland-Pfalz) FRG : Rabenhorst 2554 : Nitzschia constricta Pritchard Stein (Rheinland-Pfalz) FRG : Rabenhorst 2554 : Surirella ovata Kützing Stein (Rheinland-Pfalz) FRG : Rabenhorst 2554 : Syndra pulchella Kützing Stein, see also Kreuznach (Rheinland-Pfalz) FRG : Rabenhorst 2554 Steingrube (Sankt, Gallen) Switzerland : Wartmann & Schenk 332 : Epithemia gibba Steingrube (Sankt Gallen) Switzerland : Wartmann & Schenk 332 : Epithemia recta Cramer Steinkunzendorf (Wrocław) Poland : Rabenhorst 1027 : Ceratoneis arcus (Ehrenberg) Kützing Steinkunzendorf (Wrocław) Poland : Rabenhorst 1027 : Eunotia arcus W. Smith Steinkunzendorf, see also Eulengebirge : Rabenhorst 1027 Stelling Moor (Hamburg) FRG : Rabenhorst 957 : Himantidium pectinale (Dillwyn) Kützing Steneby (Alvsborg) Sweden : Cleve & Möller 31 : Achnanthidium flexellum Brébisson Steneby (Alvsborg) Sweden : Cleve & Möller 31 : Cocconeis placenta Ehrenberg Steneby (Alvsborg) Sweden : Cleve & Möller 31 : Cocconema cistula Hemprich Steneby (Alvsborg) Sweden : Cleve & Möller 31 : Cocconema cymbiforme Kützing v. [unname d] Steneby (Alvsborg) Sweden : Cleve & Möller 31 : Cyclotella operculata Kützing Stee neby (Alvsborg) Sweden : Cleve & Möller 31 : Cymbella helvetica Kützing Steneby (Alvsborg) Sweden : Cleve & Möller 31 : Encyonema caespitosum Kützing Steneby (Alvsborg) Sweden : Cleve & Möller 31 : Gomphonema acuminatum Ehrenberg v. trigonocephala Ehrenberg Steneby (Alvsborg) Sweden : Cleve & Möller 31 : Gomphonema constrictum Ehrenberg Steneby (Alvsborg) Sweden : Cleve & Möller 31 : Gomphonema intricatum Kützing Steneby (Alvsborg) Sweden : Cleve & Möller 31 : Melosira nivalis W. Smith Steneby (Alvsborg) Sweden : Cleve & Möller 31 : Navicula commutata Grunow Steneby (Alvsborg) Sweden : Cleve & Möller 31 : Navicula radiosa Kützing Steneby (Alvsborg) Sweden : Cleve & Möller 31 : Synedra danica Kützing Steneby (Alvsborg) Sweden : Cleve & Möller 31 : Synedra splendens Kützing v. danica Steneby (Alvsborg) Sweden : Cleve & Möller 31 : Tabellaria fenestrata Kützing Stiria superior, see (Oberösterreich) Austria : Kneiff & Hartmann 1507 Stockholm) Sweden :: see Roslagen Stoneferry (Humberside) England : Van Heurck 89 : Navicula cuspidata v. halophila Grunow Stoneferry (Humberside) England : Van Heurck 89 : Navicula viridula v. slesvicensis Grunow Stoneferry (Humberside) England : Van Heurck 89 : Nitzschia calida [cf] Stoneferry (Humberside) England : Van Heurck 89 : Nitzschia commutata Grunow Stoneferry (Humberside) England : Van Heurck 89 : Nitzschia hybrida Grunow [cf] Stoneferry (Humberside) England : Van Heurck 89 : Nitzschia normanni Grunow Stoneferry (Humberside) England : Van Heurck 89 : Surirella ovalis Stoneferry (Humberside) England : Van Heurck 89 : Surirella ovata Stoneferry (Humberside) England : Van Heurck 112 : Amphora ovalis v. [unname d] Stoneferry (Humberside) England : Van Heurck 112 : Hantzschia elongata Stoneferry (Humberside) England : Van Heurck 112 : Navicula cincta Ehrenberg Stoneferry (Humberside) England : Van Heurck 112 : Navicula crucicula W. Smith Stoneferry (Humberside) England : Van Heurck 112 : Navicula cuspidata v. halophila Grunow Stoneferry (Humberside) England : Van Heurck 112 : Navicula elliptica Stoneferry (Humberside) England : Van Heurck 112 : Navicula hebes Ralfs v. minor Stoneferry (Humberside) England : Van Heurck 112 : Navicula limosa Stoneferry (Humberside) England : Van Heurck 112 : Navicula limosa f. sporangialis Stoneferry (Humberside) England : Van Heurck 112 : Navicula major Stoneferry (Humberside) England : Van Heurck 112 : Navicula peregrina f. [unname d] Stoneferry (Humberside) England : Van Heurck 112 : Navicula slesvicensis Grunow Stoneferry (Humberside) England : Van Heurck 112 : Navicula viridis v. [unname d] Stoneferry (Humberside) England : Van Heurck 112 : Nitzschia hybrida Grunow Stoneferry (Humberside) England : Van Heurck 112 : Nitzschia vitrea Norman Stoneferry (Humberside) England : Van Heurck 112 : Surirella ovata Stoneferry (Humberside) England : Van Heurck 121 : Navicula ambigua Ehrenberg Stoneferry (Humberside) England : Van Heurck 121 : Navicula hungarica Grunow Stoneferry (Humberside) England : Van Heurck 121 : Navicula pygmaea Kützing Stoneferry (Humberside) England : Van Heurck 121 : Navicula rhynchocephala v. Stoneferry [unname d] (Humberside) England : Van Heurck 121 : Navicu la salinarum Grunow v. [unname d] (Humberside) England : Van Heurck 121 : Navicula slesvicensis Grunow