Drynaria quercifolia (L.) J. Sm. a. Habit; b. fertile parts. — D. pleuridioides (Mett.) Diels. c. Fertile parts. — D. sparsisora (Desv.) T. Moore. d. Fertile parts (a: cultivated specimen in Leiden Botanical Garden; b:PNH 41971.; c:Alston 12957.; d:Hennipman 5707.). — Scale bar: a = 5 cm, b-d = 1 cm. Drawings by J.H. van Os.