Sporne, K R <br/><br/>
Morphology of pteridophytes: The structure of ferns and allied plants 

 - 4 
 -  B I Publications, Bombay  1980 
 - 191 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pteridophyta; Botany
<br/><br/><label>Dewey Class. No.: </label>587  SPO-M4