411 REFERENCE · Wiktionary
Pteridophyta
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
Translingual
right|thumb|Pteridium aquilinum species (common bracken)
Etymology
mul Pteris ophyta.
Proper noun
division kingdom Plantae ferns, etc
Usage notes
Thought to be paraphyletic.
The membership of classes Pteridopsida class and Polypodiopsida is disputed, in particular as to which class the leptosporangiate ferns should belong. (See Leptosporangiate fern)
Synonyms
mul Polypodiophyta, Pterophyta subdivision
Hyponyms
division Equisetopsida class (horsetails and scouring rushes), Gleicheniopsida (= Polypodiopsida), Marattiopsida class (eusporangiate tree ferns), Osmundopsida (= Polypodiopsida), Polypodiopsida, Pteridopsida class, Polypodiopsida, Psilotopsida class (whisk ferns and adder's-tongue) classes
References
Pteridophyte
Pteridophyta
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