Sporne, K. R. <br/><br/>
The morphology of pteridophytes :  the structure of ferns and allied plants / 
K. R. Sporne. 
 - 4th ed. 
 - London :  Hutchinson,  1975. 
 - 191 p. :  ill. ; 
 - Hutchinson university library : Biological sciences .
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. [177]-185. 
<br/><br/><label>ISBN: </label>0091238609.  0091238617 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pteridophyta
<br/><br/><label>Dewey Class. No.: </label>587.31 SPO/M