Fern

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Ferns
Temporal range: Late Devonian[1]Present
Athyrium filix-femina.jpg
A fern unrowin a young frond
Scientific classification e
Kinrick: Plantae
Clade: Tracheophytes
Cless: Polypodiopsida
Cronquist, Takht. & W.Zimm.
Subclasses[2]
Synonyms
  • Monilophyta
  • Polypodiophyta
  • Filicophyta
  • Filices

A fern is ony o a group o aboot 12,000 species o plants that belangs the botanical group kent as Pteridophyta.[3] Unalike mosses, thay hae xylem an phloem (makkin them vascular plants). Thay hae stems, leafs, an roots like ether vascular plants. Ferns reproduce via spores an hae neither seeds nor flouers.

References[eedit | eedit soorce]

  1. Wattieza, Stein, W. E.; Mannolini, F.; Hernick, L. V.; Landling, E.; Berry, C. M. (2007). "Giant cladoxylopsid trees resolve the enigma of the Earth's earliest forest stumps at Gilboa". Nature. 446 (7138): 904–907. Bibcode:2007Natur.446..904S. doi:10.1038/nature05705. PMID 17443185. 
  2. Pteridophyte Phylogeny Group 2016.
  3. Chapman, Arthur D. (2009). Numbers of Living Species in Australia and the World. Report for the Australian Biological Resources Study. Canberra, Australia. September 2009. http://www.environment.gov.au/biodiversity/abrs/publications/other/species-numbers/index.html