The identification of flowering plant families, including a key to those native and cultivated in north temperate regions :

Por Davis, P.H.
Publicado em 1979

The identification of flowering plant families includings key to those native and cultivated in north temperate regions

Por Davis
Publicado em 1989

The identification of flowering plant families, including a key to those native and cultivated in north temperate regions

Por Davis
Publicado em 1979