Fronds pinnate to pinnate-pinnatifid, if pinnae pinnatifid then usually cut half way or less to the costa (except sometimes more deeply cut on the proximal pinnae at their bases).

1.  Indusia present

2. Pinna margins cut mostly less than 1/3 way to the costa, the stipe scales dense and shaggy, the sinuses narrow between shallow lobes . . . . .. . . . . . . . 2. D. cycadina

2. Pinna margins cut half way to the costa, the stipe scales not conspicuously dense and shaggy, the sinuses V-shaped between spreading lobes . . . . . . . . . 3. D. kuratae