TY  - BOOK
AU  - Benson,Lyman David
TI  - Plant classification
SN  - 0669014893
AV  - QK97 .B45 1979
U1  - 581/.01/2 
PY  - 1979///
CY  - Lexington, Mass.
PB  - Heath
KW  - Botany
KW  - Classification
N1  - Includes bibliographies and index
ER  -