corrected spelling of name, validly published under the ICN (Botanical Code), illegitimate name, later homonym
Notes:
🧍 Later homonym of Phormidium variabile (Wille 1922) Anagnostidis and Komárek 1988.Publication:
Anagnostidis K, Komarek J. Modern approach to the classification system of cyanophytes. 3. Oscillatoriales. Archiv für Hydrobiologie, Supplement 1988; 80:327-472.