TY  - BOOK
AU  - Heywood, V .H. ed.
TI  - Modern methods in plant taxonomy
SN  - 12 346950 3
U1  - 580 23rd
PY  - 1968///
CY  - London.
PB  - Academic Press.
KW  - Botany- Classification
N1  - Also published by United Book Prints
ER  -