TY  - GEN
AU  - Willis, K.J.
AU  - McElwain, J.C.
TI  - The evolution of plants 
SN  - 0195676041
U1  - 581.38 
PY  - 2002///
CY  - New York
PB  - Oxford University Press
KW  - Specific topics in natural history of plants
KW  - Genetics and evolution
KW  - Evolution
ER  -