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psilopsida

 
Noun psilopsida has 1 sense
  1. Psilopsida, class Psilopsida, Psilotatae, class Psilotatae - whisk ferns; comprising the family Psilotaceae or Psilotatae: vascular plants with no roots, partial if any leaf differentiation, and rudimentary spore sacs
    --1 is a kind of class
    --1 is a member of Pteridophyta, division Pteridophyta
    --1 has members: Psilotales, order Psilotales
psilocybe psilocybin psilomelane psilophyta psilophytaceae psilophytales psilophyte psilophyton psilopsida psilosis psilotaceae psilotales psilotatae psilotum psilotum nudum psithyrus psittacidae

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