"883846" . _:b76572677 "WoRMS id" . . _:b76572677 . . "Manguin, 1952" . . "Navicula vulpina var. ranomafanensis Manguin, 1952" . . . _:b76572677 "687425" . "687425" . . . _:b76572677 . . "Navicula vulpina var. ranomafanensis" . . _:b76572677 . "Navicula vulpina var. ranomafanensis" . .