lycopsida
English Thesaurus
1. club mosses and related forms: includes Lycopodiales; Isoetales; Selaginellales; and extinct Lepidodendrales; sometimes considered a subdivision of Tracheophyta (noun.plant)
hypernym | : | class, |
definition | : | (biology) a taxonomic group containing one or more orders (noun.group) |
member holonym | : | club moss, club-moss, lycopod, |
definition | : | primitive evergreen moss-like plant with spores in club-shaped strobiles (noun.plant) |
member holonym | : | lepidodendrales, order lepidodendrales, |
definition | : | fossil arborescent plants arising during the early Devonian and conspicuous throughout the Carboniferous (noun.plant) |
member holonym | : | lycopodiales, order lycopodiales, |
definition | : | lower vascular plants coextensive with the family Lycopodiaceae; in some classifications includes the Selaginellaceae and Isoetaceae (noun.plant) |
member holonym | : | isoetales, order isoetales, |
definition | : | aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales (noun.plant) |
member meronym | : | division pteridophyta, pteridophyta, |
definition | : | 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 (noun.plant) |
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