Abstract:Aster spathulifolius Maxim., a neglected species of Asteraceae from China is reported, which was only found in Zhoushan Islands in the East China Sea, located on several islands in Shengsi County, Zhejiang Province, and grows on seashore rocks. Characteristic description and color photos are provided. This species is closely related to Aster arenarius (Kitam.) Nemoto. Detailed morphological characteristics of the two species are also provided.