Parent:
HYMENOPHYLLUM L.
C.
Subgenus APTEROPTERIS Cop. in Philipp. J. Sci. 64, 1937, 176.
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Ultimate segs linear, subterete; fronds invested with stellate hairs; indusium 2-valved to about half-length; receptacle not or hardly exserted. Type: Trichomanes malingii Hook., the sole known sp. of the subgenus.
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