Bracken

Etymology
From braken:, probably of Scandinavian origin. Cognates include bregne: and  bräken:.

Noun

 * 1) Any of several coarse ferns, of genus Pteridium, that forms dense thickets; often poisonous to livestock
 * 2) An area of countryside heavily infested with this fern

Thesaurus
algae, autophyte, bean, brown algae, climber, conferva, confervoid, creeper, diatom, fern, fruits and vegetables, fucus, fungus, grapevine, green algae, gulfweed, herb, heterophyte, ivy, kelp, legume, lentil, liana, lichen, liverwort, mold, moss, mushroom, parasite, parasitic plant, pea, perthophyte, phytoplankton, planktonic algae, plant families, puffball, pulse, red algae, rockweed, rust, saprophyte, sargasso, sargassum, sea lentil, sea moss, sea wrack, seaweed, smut, succulent, toadstool, vetch, vine, wort, wrack