TY  - BOOK
AU  - Gunn,Charles R.
AU  - Wiersema,John H.
AU  - Ritchie,Carole A.
AU  - Kirkbride,Joseph H.
ED  - United States.
TI  - Families and genera of spermatophytes recognized by the Agricultural Research Service
T2  - Technical bulletin
U1  - 580 23
PY  - 1992///]
CY  - [Beltsville, Md.], [Springfield, VA
PB  - U.S. Dept. of Agriculture, Agricultural Research Service, National Technical Information Service [distributor]
KW  - Plants
KW  - Nomenclature
N1  - Incluye referencias bibliográficas (p. 465-470)
ER  -