. . _:b75403563 "S60f387af5fe91079" . _:b76595770 "WoRMS id" . _:b76595770 . "Nitzschia sigmoidea" . _:b76595770 . . "S60f387af5fe91079" . . "(Nitzsch) W. Smith, 1853" . _:b75403563 . "Nitzschia sigmoidea (Nitzsch) W. Smith, 1853" . . _:b75403563 . "76397" . . "7722521" . . _:b75403563 "AlgaeBase id" . _:b76595770 . _:b75730214 . . _:b75730214 "7722521" . . _:b75730214 "GBIF id" . "149604" . "Nitzschia sigmoidea" . _:b75730214 . . _:b75730214 . . _:b75403563 . . "Nitzschia sigmoidea" . _:b76595770 "149604" .