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isoetales

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isoetales


  1  definition  found 
 
  From  WordNet  r  1.6  [wn]: 
 
  Isoetales 
  n  :  aquatic  or  marsh-growing  fern  allies;  known  to  have  existed 
  since  the  Cenozoic;  sometimes  included  in  Lycopodiales 
  [syn:  {Isoetales},  {order  Isoetales}] 




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