Eleven new salicaceous taxa based on fossil leaves, seven Salix and four Populus species, are described from the Oligocene Los Ahuehuetes locality Pie de Vaca Formation, near Tepexi de Rodríguez in Puebla, Mexico. They are ...

Prockia krusei (Salicaceae), a new species from the state of Guerrero, Mexico, is described and illustrated. Its position relative to the genera Banara, Hasseltia, Hasseltiopsis. Macrohasseltia, Neosprucea, Olmediella, ...