IMAGE OF
Planothidium frequentissimum
(Lange-Bertalot in Krammer and Lange-Bertalot) Lange-Bertalot 1999 Category: Monoraphid
BASIONYM: Achnanthes lanceolata subsp. frequentissima
SEM scalebar = 2 µm
Site ID: ANSP NCPA0206
Site Name: Stony Lick Run, PA
Latitude: 41.6156
Longitude: -77.8798
Caption: External view of raphe valve
Contributor: Marina Potapova - December 2010