TY  - BOOK
AU  - Robinson,Harold Ernest
TI  - Generic and subtribal classification of American Vernonieae / 
PY  - 1999///
CY  - Washington, D.C. : 
PB  - Smithsonian Institution Press, 
KW  - Vernonia
KW  - United States
KW  - Classification
N1  -  Includes bibliography : p. 111-116
ER  -