CLASS PSILOPSIDA
(noun)Definitions
There is 1 meaning of the phrase
Class Psilopsida.
Class Psilopsida - as a noun
Whisk ferns; comprising the family psilotaceae or psilotatae: vascular plants with no roots, partial if any leaf differentiation, and rudimentary spore sacs
Synonyms (Exact Relations)
class psilotataepsilopsidapsilotatae