Hâvre, see Le Hâvre (Seine-Maritime) France : Cleve & Möller 16 Hawaiian Islands, see (Hawaii) US Hawaii) US :: see Kaliauai Stream, Kapaa, Kealia Plantation, Mauna Kea, Oahu, Waialua Hawaii) US : Eulenstein 8 : Aulacodiscus orientalis Greville Hawaii) US : H.L. Smith 53 : Aulacodiscus oregonus J.W. Bailey Hawaii) US : H.L. Smith 53 : Cocconeis heteroidea Hawaii) US : H.L. Smith 73 : Cocconeis heteroidea Hassal v. emerici Janisch Hawaii) US : H.L. Smith 436 : Rhabdonema mirificum W. Smith Hawaii) US : H.L. Smith 575 : Synedra robusta Ralfs Hawaii) US : H.L. Smith 599 : Triceratium favus Ehrenberg v. quadrangulum Heacham (Norfolk) England : Kitton 1 : Gomphonema geminatum Heacham (Norfolk) England : Kitton 1 : Gomphonema ventdicosum Heacham (Norfolk) England : Kitton 2 : Cocconeima cistula Heacham (Norfolk) England : Kitton 2 : Cymbella cistula Heacham (Norfolk) England : Kitton 2 : Gomphonema constrictum Heacham (Norfolk) England : Kitton 2 : Gomphonema ventricosum Heigham (Norfolk) England : Kitton 20 : Cocconeima lanceolatum Heigham (Norfolk) England : Kitton 33 : Achnanthes coarctata Heigham (Norfolk) England : Kitton 33 : Navicula appendiculata Heigham (Norfolk) England : Kitton 33 : Nitzschia sinuata Heigham (Norfolk) England : Kitton 33 : Surirella ovalis Heigham (Norfolk) England : Kitton 66 : Achnanthes lanceolata Heigham (Norfolk) England : Kitton 66 : Gomphonema acuminatum v. coronatum Heigham (Norfolk) England : Kitton 66 : Hantzschia amphyoxys Heigham (Norfolk) England : Kitton 66 : Hantzschia amphyoxys v. [unnamed] Heigham (Norfolk) England : Kitton 66 : Hantzschia rupestris Heigham (Norfolk) England : Kitton 66 : Navicula anglica Heigham (Norfolk) England : Kitton 66 : Navicula anglicum Heigham (Norfolk) England : Kitton 66 : Navicula elginensis Heigham (Norfolk) England : Kitton 66 : Navicula elliptica Heigham (Norfolk) England : Kitton 66 : Navicula gastrum Heigham (Norfolk) England : Kitton 66 : Navicula leptostoma Heigham (Norfolk) England : Kitton 66 : Navicula pupula Heigham (Norfolk) England : Kitton 66 : Navicula rhynchocephala Heigham (Norfolk) England : Kitton 66 : Navicula seminulum Heigham (Norfolk) England : Kitton 66 : Navicula viridis Heigham (Norfolk) England : Kitton 66 : Nitzschia amphibia Heigham (Norfolk) England : Kitton 66 : Stauroeis gracilis Helgoland (Schleswig-Holstein) FRG : Rabenhorst 868 : Licmophora flabellata (Greville) Kützing Helgoland (Schleswig-Holstein) FRG : Rabenhorst 868 : Rhipidophora paradoxax (Lingbybe) Kützing Helgoland (Schleswig-Holstein) FRG : Rabenhorst 992 : Synedra gracilis Helgoland (Schleswig-Holstein) FRG : Rabenhorst 992 : Synedra laevis Helgoland (Schleswig-Holstein) FRG : H.H. Smith 615 : Amphora laevissima Gregory Helgoland, see also North Sea : Rabenhorst 868 Helgoland, Sw., see Helgoland (Schleswig-Holstein) FRG : H.L. Smith 615 Hellesden, see Hellesdon (Norfolk) England Hellesdon (Norfolk) England : Kitton 5 : Melosira arenaria Hellesdon (Norfolk) England : Kitton 71 : Staurosira harrisonii Hells Gate (New York) US : H.L. Smith 418 : Euphyllodium adriatica Shadbolt Hells Gate (New York) US : H.L. Smith 418 : Podocystis adriatica Kützing Hells Gate (New York) US : H.L. Smith 418 : Podocystis americana Hells Gate, see also East River (New York) US Helsingland [= Halsingland], see (Gävleborg) Sweden : Cleve & Möller 54, 236 Helsingør (Frederiksberg) Denmark : Rabenhorst 2396 : Dimeregramma nanum Pritchard Helsingør (Frederiksberg) Denmark : Rabenhorst 2396 : Navicula [sp] Helsingør (Frederiksberg) Denmark : Rabenhorst 2396 : Plagiogramma gregorianum Greville Helsingør (Frederiksberg) Denmark : Rabenhorst 2396 : Tryblionella punctata W. Smith Helsingør, see also Kattegat : Rabenhorst 2396 Helvetia, see Switzerland : Kneiff & Hartmann 3044 Hennepin County, see Long Lake (Minnesota) US : Tilden 119 Hérault) France :: see Sète Heringsdorf (Rostock) GDR : Rabenhorst 1728 : Schizonema crinoideum Harvey Heringsdorf (Rostock) GDR : Rabenhorst 1728 : Schizonema tenellum Kützing Heringsdorf, see also Ostsee : Rabenhorst 1728 Herkimer (New York) US : H.L. Smith 269 : Navicula divergens W. Smith Hernosand, see Härnösand (Västernorrland) Sweden : Cleve & Möller 237 Hessen) FRG :: see AltenSchleif, Bad Nauheim, Frankfurt-am-Main, Habichtswald, Marburg an der Lahn, Wiesse [?]