Ponader, K.C. & Potapova, M.G. (2007). Diatoms from the genus Achnanthidium in flowing waters of the Appalachian Mountains (North America): Ecology, distribution and taxonomic notes. Limnologica. 37: 227-241.
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Ponader, K.C. & Potapova, M.G.
2007
Diatoms from the genus Achnanthidium in flowing waters of the Appalachian Mountains (North America): Ecology, distribution and taxonomic notes