Sampling date 06/2025. Scale bars indicate 5 µm (1), 1 µm (2).

Two images. Frustule embedded in a Difflugia test, an detail view.
Brachysira species can only be distinguished using SEM.

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Place name: Wetland Paradieswiese near Kitzbühel (Tyrol, Austria)
Latitude: 47.47375067     Longitude: 12.37624884    Elevation: 777 m

Tescan Clara SEM, © Wolfgang Bettighofer/Jürgen Stampfl