"Gomphonema pseudexiguum Simonsen, 1959" . _:b75706024 "8206183" . "Simonsen, 1959" . . "Gomphonema pseudexiguum" . . . . _:b76623717 . _:b76623717 . "172507" . "Gomphonema pseudexiguum" . "8206183" . . . . _:b76623717 . _:b75706024 . . _:b76623717 "172507" . . _:b75706024 "GBIF id" . _:b76623717 "WoRMS id" . _:b75706024 . _:b75706024 . . "1020359" .