IMAGE OF
Psammothidium semiapertum
(Hustedt) Aboal in Aboal, Alvarez-Cobelas, Cambra and Ector 2003 Category: Monoraphid
BASIONYM: Cocconeis semiaperta
SYNONYM(S): Achnanthes hintzii Lange-Bertalot and Krammer
LM scalebar = 10 µm
Slide Number: ANSP GC112128b
Site ID: ANSP NRSA0151
Site Name: Unnamed Stream, South Dakota
Latitude: 47.280013
Longitude: -101.177966
Caption: Rapheless valve
Contributor: Marina Potapova - August 2011