This is not a dictionary! - Search for "class psilopsida" in The Danish Dictionary
February 27. 2016 from wordnet.princeton.edu
class Psilopsida — noun — english
whisk ferns; comprising the family Psilotaceae or Psilotatae: vascular plants with no roots, partial if any leaf differentiation, and rudimentary spore sacs
English · Dansk · Sign up · About OnlineObjects · Terms and privacy policy