TY  - BOOK
AU  - Laetsch, Watson M.
AU  - 
ED  - 
ED  - 
ED  - 
ED  - 
TI  - : basic concepts in botany 
SN  - 2
PY  - 1979///;copyright 197946
CY  - Boston
PB  - Little, Brown
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Botany
N1  - Includes index; Bibliography: p. 483-489; 5
ER  -