Smith Alan R <br/><br/>
Systematics of the neotropical of the elypteris section cylosorus 
by Smith Alan R 
 -  1971 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>75008 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>I762.7, L1