TY  - BOOK
AU  - Tory Peterson, Roger.
AU  - Mckenny,Margaret
TI  - A fiel guide to wildflowers: northeastern and north-central north america
T2  - The Peterson field guide series
U1  - 582.130446373 
PY  - 1968///
CY  - Boston, USA.
PB  - Houghton Mifflin Company
KW  - Flores
KW  - E.U.A
KW  - Identificación
ER  -