Brachysira Subtilis Guide
  1. Valves linear-lanceolate
  2. Valve width < 4.5 μm
  3. Apices rounded
  4. Stria denisty > 32 in 10 μm

Valves are linear-lanceolate and less than 4.5 μm wide. The apices are rounded. The stria density is greater than 32 in 10 μm.

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.