Heywood, V. H. (Vernon Hilton), 1927-  Heywood, V. H. (Vernon Hilton), 1927- <br/><br/>
Plant taxonomy / 
V.H. Heywood. 
 - 2nd ed. 
 - London :  Edward Arnold,  c1976. 
 - The Institute of Biology's studies in biology no. 5 .
 - Institute of biology. Studies in biology ;  Institute of biology. Studies in biology ;  no. 5. .
<br/><br/>Bibliography: p. [61]-63. 
<br/><br/><label>ISBN: </label>713126086 (pbk 713126094) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany -- Classification.--Botany -- Classification.