TY  - BOOK
AU  - Little, Elbert L., Jr.
TI  - Checklist of United States trees: : native and naturalized
T2  - Agriculture handbook
U1  - 634.97 
PY  - 1979///
CY  - Washington
PB  - Department of Agriculture
KW  - Árboles
KW  - E.U.A
ER  -