Northern marsh fern (Thelypteris palustris var. pubescens)

Thelypteris palustris pubescens

Description 2

Fronds: once compound, 6 to 30 inches long, 3 to 7 inches wide, lanceolate shaped in outline, leaflets deeply lobed, divided almost to mid-nerve, lobes up to ¾-inch long, oblong to triangular, toothless with a blunt to pointed tip, veins extend to edge of lobe and are mostly forked
Spores: on back of fertile leaves, which are taller and narrower than infertile leaves, round groups of spores covered by tissue, in a row on both sides of lobe midvein, attached on the veins, leaf edges slightly roll under, partially covering spores
Fruiting season: Summer
Height: 6-30 inches
Habitat: bogs, marshes, wet meadows, seeps, fens, along shores

Fontes e Créditos

  1. (c) Erin Faulkner, alguns direitos reservados (CC BY-NC), uploaded by Erin Faulkner
  2. (c) Minnesota Scientific and Natural Areas, alguns direitos reservados (CC BY-SA)

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