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Psammothidium marginulatum

(Grunow) Bukhtiyarova and Round 199      Category: Monoraphid
BASIONYM: Achnanthes marginulata

Psammothidium levanderi

 

Psammothidium pennsylvanicum

LM scalebar = 10 ┬Ám

Slide Number: ANSP GC58718

Site ID: ANSP GCM4293

Site Name: Browns Run, PA

Latitude: 41.34664

Longitude: -77.4715

Caption: raphe and rapheless valves

Contributor: Marina Potapova - August 2010