IMAGE OF

Aulacoseira ambigua

(Grunow) Simonsen 1979      Category: Centric
BASIONYM: Melosira crenulata var. ambigua
SYNONYM(S): Melosira ambigua (Grunow in Van Heurck) Otto Müller 

Aulacoseira alpigena

 

Aulacoseira canadensis

SEM scalebar = 5 µm

Site ID: ANSP GS113962

Site Name: ST. JOSEPH RIVER NEAR NEWVILLE, IN

Latitude: 41.385

Longitude: -84.802

Caption: Separation valve with pointy spines

Contributor: - December 2010