TY  - BOOK
AU  - Stebbins, G. Ledyard,
TI  - Flowering Plants Evolution Above the Species Level
SN  - 0674306856
U1  - 583 
PY  - 1974///
CY  - [s.l]
PB  - Harward Uni. Press
KW  - Dicotyledons
KW  - Flowering Plants
ER  -