The other Encyonopsis species with an isolated stigma all have either lanceolate or rhombic-lanceolate valves. Valves of Gomphonema hebridense and similar Gomphonema species are asymmetric with respect to the transapical axis.
Diatoms of North America relies on the financial support of our user community. We aim to build our technical content by engaging diatomists at all levels and training the next generation. We need you to reach our 2025 fundraising goal of $25,000.
If you use and appreciate DONA, make your DONAtion today.