Parkerioideae Bummett Parkerioideae Bummett, Outlines Bot.: 324. 1835 sec. Keskiniva, V., H. Tuomisto & S. Lehtonen 2024=Ceratopteridoideae R.M. Tryon in Amer. Fern J. 76(4): 184. 1986 syn. sec. Christenhusz & Chase 2014