"7889332" . . "Gomphonema olivaceum var. tenellum" . . . "Gomphonema olivaceum var. tenellum" . "Gomphonema olivaceum var. tenellum (K\u00FCtzing) Cleve, 1894" . _:b76031650 . _:b76031650 . _:b76031650 "GBIF id" . _:b76031650 . "75895" . . . _:b76031650 "7889332" . "Gomphonema olivaceum var. tenellum" . . . . "(K\u00FCtzing) Cleve, 1894" .