Alfalfa Dodder, Clustered Dodder: Cuscuta approximata var. approximata (Synonym: Cuscuta approximata var. urceolata)
Field Dodder, Five-angled Dodder: Cuscuta campestris (Synonyms: Cuscuta pentagona, Cuscuta pentagona var. calycina, Cuscuta pentagona var. pentagona)
Buttonbush Dodder: Cuscuta cephalanthi
Thyme Dodder: Cuscuta epithymum var. epithymum
Collared Dodder: Cuscuta indecora var. indecora (Synonym: Cuscuta indecora var. neuropetala)
Western Dodder: Cuscuta occidentalis (Synonym: Cuscuta californica var. breviflora)