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Family Davalliaceae

Description: Epiphytic or terrestrial ferns; rhizome long-creeping or tufted and stoloniferous, densely covered with peltate-based scales; stipes sometimes articulated to the rhizome.

Fronds uniform or somewhat dimorphic, vernation circinate; lamina simple, pinnate or more compound, herbaceous to leathery, glabrous or hairy; veins mostly free.

Sori mostly indusiate, marginal or superficial, ± circular; indusium peltate, reniform or cup-shaped and opening towards the margin.


Distribution and occurrence: World: c. 9 genera, c. 200 species, mainly tropical, extending to temperate regions. Australia: 4 genera, 15 species, all States except S.A.

External links:
Wikipedia

A heterogeneous family. Nephrolepis has been moved to the family Lomariopsidaceae and is sometimes placed in its own family Nephrolepidaceae.

Text by Peter G. Wilson, Fl. NSW Vol. 1 (1990)
Taxon concept:

 Key to the genera 
1Fronds at least 2-pinnate, triangular, pinnae not articulated to the rachis2
Fronds 1-pinnate, narrow-elliptic to oblong; pinnae articulated to the rachis3
2Sori submarginal; indusium cup-shaped, attached by the bottom and the sides; stipes articulated to the rhizomeDavallia
Sori superficial; indusium circular, peltately attached; stipes not articulated to the rhizome
                       Back to 1
Rumohra
3Rhizomes erect; fronds tufted, not articulated to the rhizomeNephrolepis
Rhizomes creeping; fronds distant, articulated to the rhizome
                       Back to 1
Arthropteris

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