J. A.  Von Arx <br/><br/>
Keys to the genera of amerospored and didymospored pyrenomycetes 

 - England  Common Wealth Mycolagical Institute  1969 
 - 53p 
<br/><br/>J. A.  Von Arx & E. Muller: Keys to the genera of amerospored and didymospored pyrenomycetes.  England.  Common Wealth Mycolagical Institute, 1969.--(589.20016ARX)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>589.20016  / ARX