TY  - BOOK
AU  - Niering, William A.
TI  - Audubon Society field guide to North American wildflowers: eastern region
SN  - 0394504321
U1  - 582.130973 
PY  - 1985///
CY  - New York
PB  - Knopf
KW  - Flores silvestres
KW  - E.U.A
KW  - Flores
KW  - Identificación
ER  -