
Closterium acutum
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Closterium acutum
Closterium acutum is from what I have found, the smallest of the Closterium. When I spotted these while surveying the slide with a 4x objective, I thought they were diatoms, but at 40x the Barium sulfate crystals and their Brownian Motion were visible.


Michael Reese Much FRMS EMS Bethlehem, Pennsylvania, USA