TY  - BOOK
AU  - Scagel,Robert Francis
TI  - Plant diversity; an evolutionary approach
T2  - The Wadsworth botany series
AV  - QK47 .P59
U1  - 581 
PY  - 1969///]
CY  - Belmont, Calif.
PB  - Wadsworth Pub. Co.
KW  - Botany
KW  - Plants
KW  - Evolution
N1  - Bibliography: p. 425-431
ER  -