Christmas fern

noun1

1. •
   An evergreen fern (Polystichum acrostichoides) of eastern North America.

   • Our well-known Aspidium acrostichoides, so available for winter decorations, is happily christened Cʜʀɪsᴛᴍᴀs Fᴇʀɴ – a name which I certainly hope will be generally adopted. — 1873