TY  - BOOK
AU  - Stubbendieck,James
AU  - Butterfield, Charles H.
AU  - Hatch Stephan L.
TI  - North American range plants
U1  - 633.200973 
PY  - 1992///
CY  - Linconln
PB  - University of Nebraska
KW  - Plantas forrajeras
KW  - E.U.A
ER  -