Robinson, Harold <br/><br/>
Chromosome numbers in Compositae, XII :  Heliantheae / 
Harold Robinson ... (et al.) 
 - Washington :  Smithsonian Institution Press,  1981 
 - 28 p. ;  27 cm. 
 - Smithsonian contributions to botany  No 52 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Compositae--Genetics<br/>Chromosomes<br/>Plant cytotaxonomy