TY  - BOOK
AU  - Wulff, E.V. .
TI  - An Introduction to Historical Plant Geography
U1  - 581.9 
PY  - 1950///
CY  - U.S.A.
PB  - Chronica Botanica Co.
KW  - Botany
KW  - Plants-Geographical distribution
KW  - G-Botany
N1  - Index
ER  -