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Parent:
HYMENOPHYLLUM L.
B.
Subgenus SPHAEROCIONIUM Cop. in Philipp. J. Sci. 64, 1937, 164.
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1
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Rhachis broadly winged throughout; wing decurrent along stipes
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1. hirsutum
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Rhachis not winged, or only in upper part; stipes not winged
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2
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2
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Lamina segs flabellately arranged, margins minutely toothed; hairs us. rather sparse
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2. lyallii
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Lamina segs pinnately arranged, margins entire; hairs us. dense
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3. ferrugineum
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