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Frustulia amphipleuroides

(Grunow) A.Cleve 1934      Category: Symmetrical biraphid
BASIONYM: Navicula rhomboides var. amphipleuroides

Frustulia amosseana


Frustulia asiatica

SEM scalebar = 2 ┬Ám

Site ID: University of Colorado, Kociolek Collection. JPK#0379

Site Name: Linton Lake, Lane County, Oregon, USA.

Latitude: 44.169746

Longitude: -121.898192

Caption: Robust, curved porte-crayon structure with long, narrow helictoglossa.

Notes: Credit: Ian Bishop

Contributor: - January 2011