TY  - BOOK
AU  - Stebbins, G. Ledyard
TI  - Variation And Evolution in Plants
U1  - 581.15 
PY  - 1950///
CY  - New York
PB  - Columbia University Press
KW  - Botanical sciences
KW  - Pure Sciences
KW  - Evolution
KW  - Plants
KW  - Variation
ER  -