Valves are small (< 20 µm) and broadly lanceolate, with acutely rounded apices. The central area is rectangular with a single, short stria on each side. The striae are slightly radiate and those near the central area are curved.
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.