Diatoms of North AmericaDiatoms of North America
Return to overview

Guide to Epithemia alpestris

W.Sm. 1853

Epithemia Alpestris Guide
  1. Apices protracted and reflexed
  2. Proximal raphe ends close to the dorsal margin
  3. Costae irregularly spaced

Valves are dorsiventral with protracted and slightly reflexed ends. The costae are slightly radiate and have some irregularity in spacing. Costae are 2-3 in 10 µm, and striae are 10-12.5 in 10 µm. The proximal raphe ends are close to the dorsal margin.

Diatoms of North America is running a fundraising campaign to keep the servers in operation. We need you to reach our $25,000 fundraising goal.

If you use and appreciate DONA, make your DONAtion today.

For the Gift Designation, type "diatom" in the search box and select "Diatom Lab Research Fund". This is the designated fund for diatoms.org.

Donate today