Gomphonema olivaceum f. stauroneiformis Grunow 1880
Homotypic synonym според GBIF classification (Originally found in sources as accepted taxon within Gomphonema olivaceum (Lyngbye) Desmazieres)
Gomphonema staurophorum var. oblongum Li & Shi 2003
Homotypic synonym според GBIF classification (Originally found in sources as accepted taxon within Gomphonema staurophorum (Pantocsek) Cleve-Euler, 1955)
Gomphosinica geitleri (Kociolek & Stoermer) Kociolek, You & X. Wang 2015
Homotypic synonym според GBIF classification (Originally found in sources as accepted taxon within Gomphosinica Kociolek, You, X.Wang & Q.Liu, 2015)
Ulva olivacea Hornem.
Heterotypic synonym според GBIF classification (Originally found in sources as synonym of Gomphonema olivaceum (Hornemann) Ehrenberg, 1838)
