Potapova et Ponader 2004 Category: Monoraphid
BASIONYM: Achnanthidium rivulare
LM scalebar = 10 µm
Slide Number: ANSP GC 106746a
Site ID: USGS 14200400
Site Name: LITTLE ABIQUA CREEK NEAR SCOTTS MILLS, OR
Latitude: 44.9558
Longitude: -122.6272
Caption: Rapheless valve
Contributor: Marina Potapova - May 2009