Two genera, Canoparmelia and Imshaugia, five species, C. amazonica, I. aleurites, Parmelia omphalodes, P. masonii, and Parmelina tiliacea within Parmeliaceae are reported herewith as new to the lichen flora of mainland China. Bunodophoron formosanum representing Sphaerophoraceae is also reported as new to eastern China.