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Diatoms of the United States is now known as Diatoms of North America.
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Platessa stewartii

(R.M.Patrick) Potapova 2004      Category: Monoraphid
BASIONYM: Achnanthes stewartii
SYNONYM(S): Planothidium stewartii (R.M.Patrick) Lange-Bert. in Krammer and Lange-Bert. 

Platessa lutheri


Platessa strelnikovae

SEM scalebar = 5 ┬Ám

Site ID: ANSP GCM4731

Site Name: Stony Lick Run, PA

Latitude: 41.62

Longitude: -77.88

Caption: External view of rapheless valve

Contributor: - December 2010