Phylogeny of Marsileaceous Ferns and Relationships of the Fossil Hydropteris pinnata Reconsidered.  [electronic resource] 

 -  International journal of plant sciences  Sep 1999 
 - 931-954 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1058-5893 
<br/><br/><label>Standard No.: </label>10.1086/314177  doi