Sigwart, Julia. <br/><br/>
What species mean :  a user's guide to the units of biodiversity / 
Julia D. Sigwart. 
 - xv, 241 pages :  Illustrations (chiefly color), maps (chiefly color) ;  24 cm. 
 - Species and systematics .
 - Species and systematics .
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781498799379  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biodiversity.<br/>Species.<br/>Biological Evolution. <br/>Phylogeny.