Useful english dictionary. 2012.
Aquatic plant — Aquatic plants mdash; also called hydrophytic plants or hydrophytes mdash; are plants that have adapted to living in or on aquatic environments. Because living on or under water surface requires numerous special adaptations, aquatic plants can… … Wikipedia
fern — fernless, adj. fernlike, adj. /ferrn/, n. any seedless, nonflowering vascular plant of the class Filicinae, of tropical to temperate regions, characterized by true roots produced from a rhizome, triangular fronds that uncoil upward and have a… … Universalium
Fern — /ferrn/, n. a female given name. * * * Any of about 10,000–12,000 species (division Filicophyta) of nonflowering vascular plants that have true roots, stems, and complex leaves and reproduce by spores. Though ferns were once classified with the… … Universalium
Fern — This article is about the group of pteridophyte plants. For other uses, see Fern (disambiguation). Ferns (Pteridophyta) Temporal range: Mid Devonian[1] Recent … Wikipedia
floating fern — noun 1. small free floating aquatic fern from the eastern United States to tropical America; naturalized in western and southern Europe • Syn: ↑mosquito fern, ↑Carolina pond fern, ↑Azolla caroliniana • Hypernyms: ↑aquatic fern, ↑water fern … Useful english dictionary
mosquito fern — noun small free floating aquatic fern from the eastern United States to tropical America; naturalized in western and southern Europe • Syn: ↑floating fern, ↑Carolina pond fern, ↑Azolla caroliniana • Hypernyms: ↑aquatic fern, ↑water fern … Useful english dictionary
Carolina pond fern — noun small free floating aquatic fern from the eastern United States to tropical America; naturalized in western and southern Europe • Syn: ↑mosquito fern, ↑floating fern, ↑Azolla caroliniana • Hypernyms: ↑aquatic fern, ↑water fern • … Useful english dictionary
water fern — noun ferns that grow in water • Syn: ↑aquatic fern • Hypernyms: ↑fern • Hyponyms: ↑clover fern, ↑pepperwort, ↑pillwort, ↑Pilularia globulifera … Useful english dictionary
clover fern — noun any of several water ferns of the genus Marsilea having four leaflets • Syn: ↑pepperwort • Hypernyms: ↑aquatic fern, ↑water fern • Hyponyms: ↑nardoo, ↑nardo, ↑common nardoo, ↑ … Useful english dictionary
Stone fern — Stone Stone, n. [OE. ston, stan, AS. st[=a]n; akin to OS. & OFries. st[=e]n, D. steen, G. stein, Icel. steinn, Sw. sten, Dan. steen, Goth. stains, Russ. stiena a wall, Gr. ?, ?, a pebble. [root]167. Cf. {Steen}.] 1. Concreted earthy or mineral… … The Collaborative International Dictionary of English
