"Gomphonema longiceps f. robusta Manguin, 1941" . . "Manguin, 1941" . "Gomphonema longiceps f. robusta" . _:b76585453 "981556" . . _:b75905207 . _:b76585453 "WoRMS id" . "Gomphonema longiceps f. robusta" . . . . _:b76585453 . "981556" . _:b76585453 . . _:b75905207 . . "7645019" . . . . _:b75905207 "7645019" . _:b75905207 "GBIF id" . "75886" . _:b75905207 . "Gomphonema longiceps f. robusta" . _:b76585453 . .