psilopsida

Noun psilopsida has 1 sense

• psilopsida(n = noun.plant) class psilopsida, class psilotatae, psilotatae - whisk ferns; comprising the family Psilotaceae or Psilotatae: vascular plants with no roots, partial if any leaf differentiation, and rudimentary spore sacs;
is a kind of class
is a member of division pteridophyta, pteridophyta