This taxon has has a roughly elliptic outline, with narrowly rounded apices in large specimens and broadly rounded apices in small specimens. The central area bears irregular areolae and depressions that make the stigma difficult to distinguish.
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.