Tryon, Alice F. <br/><br/>
Spores of the pteridophyta :  surface wall structure and diversity based on election microscope studies / 
Alice F. Tryon, Bernard Lugardon. 
 - New York :  Springer-Verlag,  1991. 
 - 648 p. :  ill. ;  29 cm. 
<br/><br/><label>ISBN: </label>0387972188 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pteridophyta--Spores--Morphology.