tracheophyta defined in 1951 yeartracheophyta - tracheophyta;
tracheophyta - Group (Division) including all vascular plants (includes Pteridophyta and Spermatophyta of older classifications); emphasizes physiological and phylogenetic importance of the vascular system. Comprises sub-divisions Psilopsida, Lycopsida, Sphenopsida, Pteropsida. Widely used in modern American texts.
near tracheophyta in Knolik
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