Sporne, K. R. <br/><br/>
The morphology of pteridophytes; the structure of ferns and allied plants 

 - London  Hutchinson University  1962 
 - 192p.  20cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pteridophyta
<br/><br/><label>LC Class. No.: </label>QK521.S68