IMAGE OF
Planothidium calcar
Edlund in Edlund, Soninkhishig, Williams and Stoermer 2001 Category: Monoraphid
BASIONYM: Achnanthes calcar
LM scalebar = 10 µm
Slide Number: ANSP GC111350b
Site ID: ANSP OR0002
Site Name: North Umpqua R., OR
Latitude: 43.311
Longitude: -122.154
Caption: Rapheless valve
Contributor: Marina Potapova - November 2011