Schuster, Rudolf Mathias,  1921- <br/><br/>
The Hepaticae and Anthocerotae of North America east of the hundredth meridian / 
Rudolf M. Schuster. 
 - New York :  Columbia University Press,  1966- 
 - v. 3 :  ill. ;  25 cm. 
<br/><br/><label>ISBN: </label>023108983X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Liverworts--North America.