TY  - BOOK
AU  - Porter, C. L.
TI  - Taxonomy of flowering plants
U1  - 582.13012 
PY  - 1959///
CY  - San Francisco
PB  - W.H. Freeman
KW  - Angiosperms
KW  - Plants
KW  -  Classification
N1  - Includes bibliographical references and index
ER  -