Cuscuta arvensis
| Cuscuta arvensis Beyrich ex Engelmann, in A. Gray, Manual, ed. 2. 336. 1856. | | TYPE: NORTH CAROLINA: |
Cuscuta arvensis var. calycina
| Cuscuta arvensis Beyrich ex Engelmann, var. calycina (Engelmann) Engelmann, Trans. Acad. Sci. St. Louis 1: 495. 1859. | BASIONYM: Cuscuta pentagona Engelmann, var. calycina Engelmann 1845. | |
Cuscuta arvensis var. pentagona
| Cuscuta arvensis Beyrich ex Engelmann, var. pentagona (Engelmann) Engelmann, Trans. Acad. Sci. St. Louis 1: 494. 1859. | BASIONYM: Cuscuta pentagona Engelmann 1842. | |
Cuscuta campestris
| Cuscuta campestris Yuncker, Mem. Torrey Bot. Club 18: 138. 1932. | BASIONYM: Cuscuta pentagona Engelmann, var. calycina Engelmann 1845. | |
Cuscuta pentagona var. calycina
| Cuscuta pentagona Engelmann, var. calycina Engelmann, Amer. J. Sci. Arts 45: 76. 1845. | | TYPE: TEXAS: Without data, Lindheimer 126 (lectotype: MO). Lectotypified by Yuncker, Mem. Torrey Bot. Club 18: 138. 1922. |
Cuscuta pentagona var. typica
| Cuscuta pentagona Engelmann, var. typica Yuncker, Illinois Biol. Monogr. 6: 140. 1921, nom. inadmiss. | BASIONYM: Cuscuta pentagona Engelmann 1842. | |
Epithymum arvense
| Epithymum arvense (Beyrich ex Engelmann) Nieuwland & Lunell, in Lunell, Amer. Midl. Naturalist 4: 511. 1916. | BASIONYM: Cuscuta arvensis Beyrich ex Engelmann 1856. | |
Grammica campestris
| Grammica campestris (Yuncker) Hadac & Chrtek, Folia Geobot. Phytotax. 5: 445. 1970. | BASIONYM: Cuscuta campestris Yuncker 1932; Cuscuta pentagona Engelmann, var. calycina Engelmann 1845. | |
Grammica pentagona
| Grammica pentagona (Engelmann) W. A. Weber, Southw. Naturalist 18: 319. 1973. | BASIONYM: Cuscuta pentagona Engelmann 1842. | |
Cuscuta arvensis var. capsici
| Cuscuta arvensis Beyrich ex Engelmann, var. capsici Degen & Linhart, Z. Pflanzenkrankh. 1: 495. 1907. | | |
Cuscuta arvensis var. microcalyx
| Cuscuta arvensis Beyrich ex Engelmann, var. microcalyx (Engelmann) Engelmann, in A. Gray, Manual, ed. 2. 337. 1856. | BASIONYM: Cuscuta pentagon Engelmann, var. microcalyx Engelmann 1843. | |
Cuscuta kamelorum
| Cuscuta kamelorum Pavlov, Vestn. Akad. Nauk Kazakhsk. S.S.R. 8: 20. 1950. | | |
Cuscuta pentagona var. microcalyx
| Cuscuta pentagona Engelmann, var. microcalyx Engelmann, Amer. J. Sci. Arts 45: 76. 1843. | | TYPE: ILLINOIS: Cass Co.: Beardstown, 1842, Geyer s.n. (lectotype: MO). Lectotypified by Costea et al., Sida 22: 161. 2006. |
Cuscuta pentagona var. subulata
| Cuscuta pentagona Engelmann, var. subulata Yuncker, Amer. J. Bot. 10: 3. 1923. | | |