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Volume I (1961) - Flora of New Zealand Indigenous Tracheophyta - Psilopsida, Lycopsida, Filicopsida, Gymnospermae, Dicotyledons
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Hymenophyllum Sm.

Subgenus HYMENOPHYLLUM Cop. in Philipp. J. Sci. 64, 1937, 77.

Hymenophyllum J. E. Smith in Mem. R. Accad. Torino 5, 1793, 418. 

Genus type: H. tunbridgense (L.) Smith.

Lamina glab., margins toothed; indusium deeply 2-valved; receptacle not or very slightly exserted. About 25 spp.

Key

1
Margins of indusial valves spinulosely toothed; pinnae branching on both sides
1. revolutum
Margins of indusial valves entire or minutely crenulate; pinnae us. branching on abaxial side only
2. peltatum
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