Knobloch, Irving William  1907, <br/><br/>
Ferns and fern allier of chihuahua / 
Mexico by irving w. knobloch and donovan s. correl, with ilus. by phoebenJane horing and Jane w. roller. 
 - 198 páginas 
 - Contributions from texas research foundation. a series of botanical studies ;  v. 3 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pteridofitas<br/>Helechos--Chihuahua
<br/><br/><label>LC Class. No.: </label>QK526.M4  / K54