water fern

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ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.water fern - ferns that grow in waterwater fern - ferns that grow in water    
fern - any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores
clover fern, pepperwort - any of several water ferns of the genus Marsilea having four leaflets
pillwort, Pilularia globulifera - European water fern found around margins of bodies of water or in wet acid soil having small globose sporocarps
regnellidium, Regnellidium diphyllum - small latex-containing aquatic fern of southern Brazil
Azolla caroliniana, Carolina pond fern, mosquito fern, floating fern - small free-floating aquatic fern from the eastern United States to tropical America; naturalized in western and southern Europe
Ceratopteris pteridioides, water sprite, floating fern - aquatic fern of tropical America often used in aquariums
Ceratopteris thalictroides, floating fern - pantropical aquatic fern
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in classic literature ?
She had made friends with the spring down in the hollow-- that wonderful deep, clear icy-cold spring; it was set about with smooth red sandstones and rimmed in by great palm-like clumps of water fern; and beyond it was a log bridge over the brook.
Invasive aquatic plants like the water hyacinth and water fern have also adversely affected wetland biodiversity.
Of these, the water fern Azolla is perhaps the most promising, being free crop of high nutritive value (Lumpkin and Plucknett, 1982).
Aquatic plants: Pennywort and water fern are problematic, Hodgson says.
The protected flora and fauna features water fern, the red junglefowl and greater coucal.
Owen McKenna's Water Fern can dash clear in the first heat and lead home the big-finishing Coolio.
(2012) who reported that water fern effectively removed nitrogen, phosphorus and iron when exposed to three sources of polluted water along with standard solutions.
FOUR thousand hungry weevils have been released into a Hudders-field canal in a bid to destroy an invading water fern.
If you are buying plants for your pond, make sure to avoid the five following non-native invasive species that since April 6 this year are now banned: Azolla filiculoides (water fern); Myriophyllum aquaticum (Parrot's fern); Hydrocotyle ranunculoides (floating pennywort); Ludwigia grandiflora (water primrose); Crassula helmsii (New Zealand pygmyweed).
Gardeners who want to help the wider environment can do so by not using water worn limestone quarried from our diminishing limestone pavements, using peatfree composts and being very careful when disposing of potentially invasive plants like water fern when carrying out major work in their gardens.