Definitions for psilopsida



Overview of noun psilopsida

The noun psilopsida has 1 senses? (no senses from tagged texts)
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)


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