TY  - BOOK
AU  - Dittmer,Howard J., x
AU  - x
TI  - Phylogeny & form in the plant kingdom: x
SN  - x
U1  - 581.38/DIP 
PY  - 1968///
CY  - Princeton
PB  - Van Nostrand
KW  - Plants
N1  - x
ER  -