TY  - BOOK
AU  - DELEVORYAS, T.
TI  - PLANT DIVERSIFICATION
SN  - 0030801338
AV  - QK641 .D4 1977 
PY  - 1977///
CY  - WINSTON
PB  - LIBRARY OF CONGRESS
KW  - BOTANY-MORPHOLOGY
KW  - PLANTS-EVOLUTION
KW  - BOTANY-VARIATION
ER  -