Cuscuta occidentalis Millsp, Publ. Field Columbian Mus., Bot. Ser. 5:204. 1923. Voucher: USA. California, Tehama Co.: East of Colby Creek, west of the poor dirt road, about 3/4 mile northwest of the Snowmobile Area, about 1 1/4 miles (air) northwest of Jonesville, about 4 3/4 miles (air) northeast of Butte Meadows, 15 Aug 2006, Ahart 13199 (CHSC).