Crabbe J A Ed. <br/><br/>
Phylogeny and classification of the ferns 

 - London  Academic Press          1973 
 - xiv, 285p.  cm. 
<br/><br/><label>Standard No.: </label>51417 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Fern<br/>Botany
<br/><br/><label>Dewey Class. No.: </label>I42:11, L3