Knobloch I W <br/><br/>
Ferms and fern allies of chihuahua, mixico 

 - Texas  Research Foundation          1962 
 - xiv,198p.  cm. 
 - Series of botanical studies; 13 .
<br/><br/><label>Standard No.: </label>51180 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany
<br/><br/><label>Dewey Class. No.: </label>I42:12.74.3CH, K2