No key was found for the requested taxon, but it has only one child: Sitobolium punctilobulum. Showing where it is keyed below.

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Key to Dennstaedtiaceae

Dennstaedtiaceae

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(c) Horn, Jay
(c) Sorrie, Bruce A. - CC-BY
1 Leaf blades broadly triangular in outline, about as broad as long, subcoriaceous; sori linear, confluent; [subfamily Hypolepidoideae]
(c) Lange, Peter de - CC0
1 Leaf blades elongate in outline, at least 2× as long as broad, membranaceous; sori globular, separate.
(c) Chen, Jacy - CC-BY
  2 Leaves 3-4-pinnate-pinnatifid; indusium flap-like; [subfamily Hypolepidoideae]
(c) Cressler, Alan M.
  2 Leaves 2-pinnate-pinnatifid to 3-pinnate; indusium tubular or cuplike; [subfamily Dennstaedtioideae]
    3 Leaves 1.5-2.5 m long, 3-pinnate, dark green; [of FL]
(c) Ward, Scott G - CC-BY
    3 Leaves < 1 m long, 2-pinnate-pinnatifid, yellow-green; [of SC, GA, and AL northwards]