Found 1 items, similar to class Psilopsida.
English → English (WordNet)
Definition: class Psilopsida
class Psilopsida
n : whisk ferns; comprising the family Psilotaceae or
Psilotatae: vascular plants with no roots, partial if any
leaf differentiation, and rudimentary spore sacs [syn:
Psilopsida,
Psilotatae,
class Psilotatae]
