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pteridospermmore about pteridosperm

pteridosperm


  1  definition  found 
 
  From  WordNet  r  1.6  [wn]: 
 
  pteridosperm 
  n  :  an  extinct  seed-producing  fernlike  plant  of  the  order 
  Cycadofilicales  (or  group  Pteridospermae)  [syn:  {seed 
  fern}] 




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