class equisetatae

Noun
  1. Horsetails and related forms (synset 113239620)
    is a type of: class - (biology) a taxonomic group containing one or more orders
    member holonym: equisetales, order equisetales - lower tracheophytes in existence since the Devonian
    belongs to: division pteridophyta, pteridophyta - containing all the vascular plants that do not bear seeds: ferns, horsetails, club mosses, and whisk ferns; in some classifications considered a subdivision of Tracheophyta
    same as: class sphenopsida, equisetatae, sphenopsida

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