Class Psilopsida — synonyms, definition
1. class Psilopsida (Noun)
3 synonyms
Psilopsida Psilotatae class Psilotatae
1 definition
class Psilopsida (Noun) — Whisk ferns; comprising the family Psilotaceae or Psilotatae: vascular plants with no roots, partial if any leaf differentiation, and rudimentary spore sacs.
1 type of
class
2 parts
Psilotales order Psilotales
2 parts of
Pteridophyta division Pteridophyta