Plant genera, their nature and definition / 
a symposium by G.H.M. Lawrence ... [et al.] 
 - Gloucester, Mass. :  Chronica botanica,  1953 
 - 91-160 p. :  ill. ;  26 cm. 
 - Chronica botanica ;  v. 14, no. 3/4 .
<br/><br/><label>ISBN: </label> USD 02.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plants--Classification
<br/><br/><label>Dewey Class. No.: </label>580.82