aquatic fern

Definitions of aquatic fern

1. noun

   ferns that grow in water
   synonyms: water fern

   types:

   clover fern, pepperwort

   any of several water ferns of the genus Marsilea having four leaflets

   Pilularia globulifera, pillwort

   European water fern found around margins of bodies of water or in wet acid soil having small globose sporocarps

   Regnellidium diphyllum, regnellidium

   small latex-containing aquatic fern of southern Brazil

   Salvinia auriculata, Salvinia rotundifolia, floating-moss

   free-floating aquatic ferns

   Azolla caroliniana, Carolina pond fern, floating fern, mosquito fern

   small free-floating aquatic fern from the eastern United States to tropical America; naturalized in western and southern Europe

   Ceratopteris pteridioides, floating fern, water sprite

   aquatic fern of tropical America often used in aquariums

   Ceratopteris thalictroides, floating fern

   pantropical aquatic fern

   Marsilea drummondii, common nardoo, nardo, nardoo

   Australian clover fern

   Marsilea quadrifolia, water clover

   water fern of Europe and Asia and the eastern United States distinguished by four leaflets resembling clover leaves

   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