Valves are lanceolate with rostrate to subrostrate apices. Valves 11-16 µm wide. Central area asymmetric and variable in size. Lateral spacing of areolae highly variable except near the valve margins.
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.