Valves of Cymbella hustedtii are lanceolate and have higher density of striae and areolae. Cymbella stigmaphora is larger and has a higher areola density. Valves of C. subleptoceros are more narrow, with a less strongly arched dorsal margin.
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.