Diatoms from Alsea Bay, Oregon, USA

Abstract

Eighty diatom taxa were identified fr o m Alsea Bay salt marsh along the Pacific coast of USA. The diatom assemblages consist of thirty-four genera; Amphora (4 taxa), Bacillaria (1 taxon), Caloneis (4 taxa), Campylodiscus (1 taxon), Cosmioneis (2 taxa), Cymbella (2 taxa), Denticula (1 taxon), Decussata (1 taxon), Diatoma (1 taxon), Dimeregramma (1taxon), Diploneis (3 taxa), Encyonema (2 taxa), Fallacia (3 taxa), Frustulia (2 taxa), Gomphoneis (1 taxon), Gyrosigma (1 taxon), Hannaea (1 taxon), Luticola (1 taxon), Mastogloia (1 taxon), Melosira (2 taxa), Navicula (16 taxa), Nitzschia (6 taxa), Paralia (1taxon), Petrodictyon (1 taxon), Pinnularia (1 taxon), Placoneis (1 taxon), Planothidium(1taxon), Rhaphoneis (1 taxon), Rhoicosphenia (1 taxon), Rhopalodia (1 taxon), Staurosirella (1 taxon), Surirella (4 taxa), Tabularia (1 taxon), and Tryblionella (9 taxa).