Ferreira, Paula C., Vanessa M. Kava, and Thelma A. V. Ludwig. 2026. “Gomphonema Ehrenberg (Gomphonemataceae, Bacillariophyceae) in Preserved Environments from South Brazil and a Proposal of a New Species”. Phytotaxa 744 (3). Auckland, New Zealand:221-36. https://doi.org/10.11646/phytotaxa.744.3.3.