Cicuta curtissii
| Cicuta curtissii J. M. Coulter & Rose, Contr. U.S. Natl. Herb. 7: 97. Dec 1900. | | TYPE: FLORIDA: Duval Co.: Without locality, Jun 1880, Curtiss 1030 (holotype: US; isotypes: US, NY). |
Cicuta maculata var. curtissii
| Cicuta maculata Linnaeus, var. curtissii (J. M. Coulter & Rose) Fernald, Rhodora 41: 439. 1939. | BASIONYM: Cicuta curtissii J. M. Coulter & Rose 1900. | |
Cicuta mexicana
| Cicuta mexicana J. M. Coulter & Rose, Proc. Wash. Acad. Sci. 1: 145. Jan 1900. | | TYPE: MEXICO: Veracruz: Coatzacoalcos, 1 Apr 1895, Smith 1161 (lectotype: US). Lectoytpified by Mulligan, Canad. J. Bot. 58: 1766. 1980. |
Cicuta virosa var. maculata
| Cicuta virosa Linnaeus, var. maculata (Linnaeus) J. M. Coulter & Rose, Rev. N. Amer. Umbell. 130. 1888. | BASIONYM: Cicuta maculata Linnaeus 1753. | |
Cicutaria maculata
| Cicutaria maculata (Linnaeus) Lamarck, Encycl. 2: 2. 1786. | BASIONYM: Cicuta maculata Linnaeus 1753. | |
Coriandrum maculatum
| Coriandrum maculatum (Linnaeus) Roth, Tent. Fl. Germ. 1: 130. 1788. | BASIONYM: Cicuta maculata Linnaeus 1753. | |
Angelica lobata
| Angelica lobata Walter, Fl. Carol. 115. 1788. | | TYPE: SOUTH CAROLINA: |
Cicuta ampla
| Cicuta ampla Greene, Leafl. Bot. Observ. Crit. 2: 241. 1912. | | TYPE: MICHIGAN: Ingham Co.: Lansing, near the college, 1891, Wheeler s.n. (holotype: ?; isotype: US). |
Cicuta arguta
| Cicuta arguta Greene, Leafl. Bot. Observ. Crit. 2: 238. 1912. | | TYPE: SOUTH DAKOTA: Potter Co.: Forest City, 3 Sep 1892, Griffiths & Schlosser s.n. (holotype: US). |
Cicuta dakotica
| Cicuta dakotica Greene, Leafl. Bot. Observ. Crit. 2: 237. 1912. | | TYPE: SOUTH DAKOTA: Brookings Co.: Grounds of the college farm at Brookings, 1893, Thornber s.n. (holotype: US). |
Cicuta dakotica var. pseudovirosa
| Cicuta dakotica Greene, var. pseudovirosa Lunell, Amer. Midl. Naturalist 4: 486. 1916. | | TYPE: NORTH DAKOTA: McHenry Co.: Along Mouse River at Towner, |
Ligusticum lobatum
| Ligusticum lobatum (Walter) M. Hiroe, Umbellif. World 1072. 1979. | BASIONYM: Angelica lobata Walter 1788. | |