Cuscuta japonica Choisy var. formosana (Hayata) Yunck. Mem. Torrey Bot. Club 18: 253. 1932. Cuscuta japonica Choisy, Syst. Verz. 2: 130, 134. 1854 var. formosana (Hayata) Yunck. Mem. Torrey Bot. Club 18: 253. 1932. The voucher is: U.S.A. California, Yuba Co.: Growing on grape and covering a plum tree at 4838 Western Avenue, Olivehurst, T14N R04E, Sect 5 BM: M, 21 Oct 2005, Roush et al. 1295325 (WLU, CDA).
