Dryopteris thelypteris

Definitions of Dryopteris thelypteris

1. noun

   fern having pinnatifid fronds and growing in wet places; cosmopolitan in north temperate regions
   synonyms: Thelypteris palustris, marsh fern

   types:

   Dryopteris thelypteris pubescens, Thelypteris palustris pubescens, meadow fern, snuffbox fern

   fern of northeastern North America

   type of:

   fern

   any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores