TY  - BOOK
AU  - Heslop-Harrison, John
AU  - Turrill, W. B. [fore.]
TI  - New concepts in flowering-plant taxonomy
U1  - 580.1 
PY  - 1955///
CY  - Melbourne
PB  - William Heinemann
KW  - Botany -- Classification
KW  - Botany -- Variation
ER  -