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Dryopteris

Key modified ex Copeland 1949, Philip. J. Sci. 77:407

Species in Papuasia

1a. Rhizome climbing with spaced fronds D. papuana
Rhizome compact with close fronds, +/- radial 2
2a. Pinnae subpinnate D. wallichiana
Fronds at least tripinnatifid at the base 3
3a. Lowest pinnae much enlarged D. sparsa
Lowest and suceeding pinnae similar 4
4a. Pinnules freely compound D. subarborea
Sterile pinnules hardly pinnate 5
5a. Fronds uniform D. bamleriana
Fronds somewhat dimorphic D. pseudoparasistica