Smith, Gilbert M <br/><br/>
Cryptogamic botany, Vol.2: Bryophytes and pteridophytes 

 -  McGraw-Hill Publishing Co., London  1938 
 - 380 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cryptogamia; Botany
<br/><br/><label>Dewey Class. No.: </label>586  SMI-C.2