TY  - BOOK
AU  - Britton,Nathaniel Lord
AU  - Brown,Addison
TI  - An illustrated flora of the Northern United Stated and Canada
SN  - 0-486-22642-5
PY  - 1970///
CY  - New York
PB  - Dover
KW  - Flora
KW  - Estados Unidos de America
KW  - Canada
KW  - Gentianaceae
KW  - Compositae
N1  - Contenido: Gentinaceae to Compositae (Gentian to Thistle)
ER  -