TY  - BOOK
AU  - Stebbins G Ledyard
TI  - Flowering plants: evolution above the species level 
SN  - 0713124873
AV  - QH368.5 
U1  - 582/.13/0438 
PY  - 1974///
CY  - London
PB  - Edward Arnold
KW  - Flowers
KW  - Plants
KW  - Evolution
N1  - Originally published: Cambridge, Mass. : Belknap Press of Harvard University Press, 1974; Bibliography: p.356-380. - Includes index
ER  -