The marginal striae of D. stelligera are more coarse than those of D. pseudostelligera. Discostella stelligera also lacks the prominent external extensions of marginal fultoportulae found in D. pseudostelligera.
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.