TY  - BOOK
AU  - Lawrence,G.H.M.
ED  - Symposium on "Plant Genera-their Nature and Defination"
ED  - Botanical Society of America
ED  - American Society of Plant Taxonomists
TI  - Plant genera, their nature and definition
U1  - 580.82 
PY  - 1953///
CY  - Gloucester, Mass.
PB  - Chronica botanica
KW  - Plants
KW  - Classification
ER  -