N Recens Guide
Credit: Marina Potapova
  1. Valve lanceolate with blunt, subrostrate ends
  2. Central area round to transversely rectangular
  3. Proximal raphe ends straight

Valve lanceolate with blunt, subrostrate ends. The central area is variable in shape, from circular to transversely rectangular. The raphe is straight, as are the proximal raphe ends.

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.