TY  - BOOK
AU  - Foster A. S.
TI  - Comparative morphology of vascular plants
SN  - 0716707128
AV  - QR641.F6 1974 
PY  - 1974///
CY  - San Francisco
PB  - W. H. Freeman and company
KW  - Botany
KW  - Morphology
ER  -