"75338" . _:b75986559 . . . "7633157" . . . "(W. Sm.) Cleve" . . _:b75986559 . "Gyrosigma spenceri" . _:b75986559 "GBIF id" . _:b75986559 . "Gyrosigma spenceri (W. Sm.) Cleve" . . "Gyrosigma spenceri" . _:b75986559 "7633157" . .