"Grunow, 1902" . . _:b76027753 . _:b76027753 "GBIF id" . . "Gomphonema angustatum var. producta" . _:b76027753 . "75852" . . "Gomphonema angustatum var. producta" . _:b76027753 . . . "Gomphonema angustatum var. producta Grunow, 1902" . . . . "Gomphonema angustatum var. producta" . _:b76027753 "5709873" . "5709873" .