Claim: Crossostephium is a monotype genus of flowing plants in the daisy family and are native to parts of Japan, Taiwan, Guangdong, Indochina, Pensular Malaysia, and the Phillippines.
Evidence: Crossostephium is a monotypic genus of flowering plants in the daisy family. The only species is Crossostephium chinense native to parts of Japan (Kazan-retto, Nansei-shoto), Taiwan, Guangdong, Indochina, Peninsular Malaysia, and the Philippines.