Species: Melosira varians | Diatom

Order: Melosirales

Family: Melosiraceae

Description: Cylindrical cells, rectangular in girdle view,
often forming long chains. Valve faces are slightly convex
and covered with small spines. Little to no ornamentation
(areolae) on valve faces.

Cell Size: length 5-30um, width 5-15um

Distribution: Common in eutrophic freshwater.
Can form long filaments along the margins of rivers where
the current is weak.

Culture library ID: CCMP3440 (Sacramento River)