International code of botanical nomenclature :  adopted by the Ninth International Botanical Congress, Montreal, August 1959 / 
International Botanical Congress; prepared and edited by J. Lanjouw ... [et al.]. 
 - Utrecht, Netherlands :  International Bureau for Plant Taxonomy and Nomenclature of the International Association for Plant Taxonomy,  1961. 
 - 372 p. ;   25 cm. 
<br/><br/> Text in English, French, and German.  Titles on added title pages: Code international de la nomenclature botanique; Internationaler Code der botanischen Nomenklatur. 
<br/><br/>Includes bibliographical references (p. 367-369) and indexes. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plants--Nomenclature.
<br/><br/><label>Dewey Class. No.: </label>581.014  / INI 1961