TY  - BOOK
AU  - Stebbins,G.Ledyard
TI  - Variation and evolution in plants
T2  - Columbia biological series
U1  - 581.38 23
PY  - 1963///
CY  - New York
PB  - Columbia University Press
KW  - Plants
KW  - Evolution
KW  - Variation
N1  - Includes index
ER  -