English dictionary
class psilopsida meaning and definition
Definition and meaning of class psilopsida at MeaningMonkey.org. class psilopsida meaning and definition in the English Dictionary.CLASS PSILOPSIDA noun
Definition of 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
- synonyms: class Psilotatae, Psilopsida, Psilotatae
Source: Princeton University Wordnet