Thelypteridaceae
Marsh Fern Family
The Thelypteridaceae family (Marsh Fern Family) is a botanical family placed in the order Polypodiales. In the SASYA catalogue it spans 4 species. Its members are predominantly herbs. Familiar examples include Soft Fern and Parasitic Tri-vein Fern.
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Soft, finely divided, often hairy fronds growing from a creeping or short upright rhizome, typically in damp shaded ground; tiny round spore clusters dot the frond underside, each usually covered by a small horseshoe-shaped flap.
As true ferns this family has no flowers or seeds — its softly hairy, thin-textured fronds and horseshoe-shaped sorus covering are the main clues that separate it from other ferns.
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Notable members
All 4 species in THELYPTERIDACEAE
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