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bracken    音标拼音: [br'ækən]
n. 欧洲蕨

欧洲蕨

bracken
n 1: fern of southeastern Asia; not hardy in cold temperate
regions [synonym: {bracken}, {Pteridium esculentum}]
2: large coarse fern often several feet high; essentially weed
ferns; cosmopolitan [synonym: {bracken}, {pasture brake},
{brake}, {Pteridium aquilinum}]

Bracken \Brack"en\, n. [OE. braken, AS. bracce. See {2d Brake},
n.]
A brake or fern. --Sir W. Scott.
[1913 Webster]

54 Moby Thesaurus words for "bracken":
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


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  • Bracken - Wikipedia
    Bracken (Pteridium) is a genus of large, coarse ferns in the family Dennstaedtiaceae Ferns (Pteridophyta) are vascular plants that undergo alternation of generations , having both large plants that produce spores and small plants that produce sex cells (eggs and sperm) in its life cycle
  • Bracken | Description, Distribution, Toxicity | Britannica
    bracken, (Pteridium aquilinum), widely distributed fern (family Dennstaedtiaceae), found throughout the world in temperate and tropical regions The fronds are used as thatching for houses and as fodder and are cooked as vegetables or in soups in some parts of Asia
  • GitHub - jenniferlu717 Bracken: Bracken (Bayesian Reestimation of . . .
    Bracken is a companion program to Kraken 1, KrakenUniq, or Kraken 2 While Kraken classifies reads to multiple levels in the taxonomic tree, Bracken allows estimation of abundance at a single level using those classifications (e g Bracken can estimate abundance of species within a sample)
  • Pteridium aquilinum - Wikipedia
    Pteridium aquilinum, commonly called bracken, brake, pasture brake, common bracken, and also known as eagle fern, is a species of fern occurring in temperate and subtropical regions in both hemispheres
  • Bracken - Johns Hopkins University
    Bracken (Bayesian Reestimation of Abundance with KrakEN) is a highly accurate statistical method that computes the abundance of species in DNA sequences from a metagenomics sample
  • Bracken - The Wildlife Trusts
    Our most familiar fern, bracken can be found growing in dense stands on hillsides, moorland, heathland and in woodlands It is very large and dies back in winter, turning the landscape orangey-brown
  • Bracken facts and information - Trees for Life
    Bracken is a fern in the Dennstaedtiaceae family, the members of which are characterised by their large, highly-divided fronds As a fern, it is a Pteridophyte – the group of plants that have vascular tissues, but which reproduce by means of spores rather than seeds
  • Bracken - Missouri Department of Conservation
    Bracken is a perennial fern that grows from thick, dark, long-creeping rhizomes, often forming colonies Single leaves arise at intervals from the rhizomes (leaves are not in clusters) Leaf stems are erect and straw-colored to light brown
  • Bracken (Pteridium aquilinum) - British Plants - Woodland Trust
    Bracken is one of the most widely distributed of all vascular plants It can be found from sea level to more than 3,000 metres if the temperatures allow it, on well-drained soils but never on marshes or boggy ground
  • The Problems Caused by Bracken - moorlandassociation. org
    Increased bracken cover can lead to higher tick populations and, consequently, a greater risk of these diseases These potential health risks underscore the importance of managing bracken and understanding its distribution





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