Tryon, A. F. <br/><br/>
Spores Of The Pteridophyta: Sruface Wall Structure And Diversity Based On Electron Microscope Studies 

 - Berlin  Springer-verlag  1991 
 - x,648p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>I4:19
<br/><br/><label>Dewey Class. No.: </label>I4:19  / M1