Conard, Henry Shoemaker <br/><br/>
How to know the mosses and liverworts  pictured-keys for determining many of the North American mosses and liverworts, with suggestions and aids for their study. 

 - Rev. ed. 
 - Dubuque, Iowa  W. C. Brown Co.  [1972, c1956. 
 - 226 p.  illus.  23 cm. 
 - Pictured key nature series .
<br/><br/> Previously published under title: How to know the mosses.  Includes index. 
<br/><br/><label>LCCN: </label>59001321 /L/r83 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bryophytes--Identification.--North America<br/>Liverworts--Identification.--North America<br/>Mosses--Identification.--North America
<br/><br/><label>LC Class. No.: </label>QK541  / .C6 1959 
<br/><br/><label>Dewey Class. No.: </label>588