IMAGE OF
Achnanthidium gracillimum
(Meister) Lange-Bertalot in Krammer & Lange-Bertalot 2004 Category: Monoraphid
BASIONYM: Microneis gracillima
SYNONYM(S): Achnanthes alteragracillima Lange-Bertalot
SEM scalebar = 2 µm
Site ID: ANSP SU000070
Site Name: Antes Creek at W.Branch Susquehanna River, PA
Latitude: 41.19456
Longitude: -77.17639
Caption: internal view of raphe valve
Contributor: Marina Potapova - August 2010