Nicholson, Barbara. <br/><br/>
The Oxford book of flowerless plants: ferns, fungi, mosses and liverworts, lichens, and seaweeds 
illustrations by B. E. Nicholson, text by Frank H. Brightman. 
 - London  Oxford University Press  1966. 
 - viii, 208 p.  col. illus. 
<br/><br/>Bibliography: p. 201. 
<br/><br/><label>LCCN: </label>66076521 //r852 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cryptogams.--Great Britain.<br/>Botany--Great Britain.
<br/><br/><label>Dewey Class. No.: </label>586.0942