Farn

ferns that grow in water

any of numerous ferns of the genus Polypodium

any of numerous usually tropical ferns having a thick woody stem or caudex and a crown of large fronds; found especially in Australia and New Zealand; chiefly of the families Cyatheaceae and Marattiaceae but some from Polypodiaceae

large coarse fern often several feet high; essentially weed ferns; cosmopolitan

bright blue-green fern widely distributed especially in damp acid woodlands of temperate northern hemisphere

any of various small to large terrestrial ferns of the genus Adiantum having delicate palmately branched fronds

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

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

mat-forming lithophytic or terrestrial fern with creeping rootstocks and large pinnatifid fronds found throughout North America and Europe and Africa and east Asia