Tryon, Alice F., <br/><br/>
Spores of the Pteridophyta :  surface, wall structure, and diversity based on electron microscope studies / 
Alice F. Tryon, Bernard Lugardon. 
 - 1 online resource (648 pages) :  illustrations 
<br/><br/> "With 2797 Figures."  Includes index. 
<br/><br/><label>ISBN: </label>9781461389910 (e-book) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pteridophyta--Spores--Morphology.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books.
<br/><br/><label>LC Class. No.: </label>QK521  / .T796 1991 
<br/><br/><label>Dewey Class. No.: </label>587.0446