Rashid, A. <br/><br/>
An introduction to pteridophyta :  diversity and differentiation / 
A. Rashid. 
 - New Delhi :  Vikas Publishing House,  1973. 
 - 283 p. :  ill. ;  24 cm. 
<br/><br/> Includes bibliographies and index. 
<br/><br/>References: p. 267-275. 
<br/><br/><label>ISBN: </label>0706909305 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pteridophyta.