TY  - BOOK
AU  - Lawrence, George H.M.
TI  - Taxonomy of Vascular Plants
U1  - 587 
PY  - 1951///
CY  - New York
PB  - The Macmillan Company
KW  - Botanical sciences
KW  - Pure Sciences
KW  - Classification
KW  - Vascular plants
ER  -