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
SEM scalebar = 2 µm
Site ID: ANSP NRSA0151
Site Name: Unnamed Stream, South Dakota
Latitude: 47.280013
Longitude: -101.177966
Caption: Internal view of rapheless valve
Contributor: Marina Potapova - August 2011