Jeffrey, Charles. <br/><br/>
An introduction to plant taxonomy / 
[by] C. Jeffrey. 
 - London :  Churchill,  1968. 
<br/><br/>Bibliography: p. 120-125. 
<br/><br/><label>ISBN: </label>0700013792  24/- 
<br/><br/><label>LCCN: </label>78366730 
<br/><br/><label>Nat. Bib. No.: </label>B68-25661 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany -- Classification.--Botany -- Classification.
<br/><br/><label>LC Class. No.: </label>QK93  / .J44 
<br/><br/><label>Dewey Class. No.: </label>581/.01/2