TY  - BOOK
AU  - Stebbins, G L
TI  - Flowering plants evaluation above the species level
SN  - 0713124873
U1  - 580.01/STE 
PY  - 1974///
CY  - London
PB  - Edward Arnold
KW  - Angiosperms--Evolution
KW  - Plants--Evolution
ER  -