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Psammothidium pennsylvanicum

Potapova 2012      Category: Monoraphid

Psammothidium nivale


Psammothidium scoticum

SEM scalebar = 2 ┬Ám

Site ID: ANSP GCM4331

Site Name: Little Morris Run, PA

Latitude: 41.55

Longitude: -77.53

Caption: External view of raphe valve

Contributor: - January 2012