Abstract:Anthoxanthum flexuosum (Hook. f.) Veldkamp, previously known from Bhutan and India, is a new record species in Xizang, China. Andropogon virginicus L., a native species in America, is naturalized in Jiangxi, China. A detailed morphological description, colorful plate as well as distribution and habitat information of these two grasses are given. Furthermore, the invasion risk of A. virginicus L. is also discussed.
