"Gomphonema constrictum var. capitata" . _:b76031948 "7695614" . "(Ehrenb.) Cleve" . . "Gomphonema constrictum var. capitata" . . "Gomphonema constrictum var. capitata (Ehrenb.) Cleve" . . "Gomphonema constrictum var. capitata" . _:b76031948 "GBIF id" . "75866" . . _:b76031948 . _:b76031948 . "7695614" . . . . . _:b76031948 .