IMAGE OF
Platessa stewartii
(Patrick) Potapova 2004 Category: Monoraphid
BASIONYM: Achnanthes stewartii
SYNONYM(S): Planothidium stewartii (Patrick) Lange-Bertalot in Krammer and Lange-Bertalot
LM scalebar = 10 µm
Slide Number: ANSP GC58967
Site ID: ANSP GCM4482
Site Name: Middle Branch of Big Run, PA
Latitude: 41.19
Longitude: -77.77
Caption: raphe valve
Contributor: Marina Potapova - December 2010