Beihefte zur Nova Hedwigia 

 - Weinheim  J. Cramer  1973 
 - (515-618) p. : ill., maps ; 25-29 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cryptogams
<br/><br/><label>Dewey Class. No.: </label>591.0724 PRI