Tagetes rotundifolia
| Tagetes rotundifolia Miller, Gard. Dict., ed. 8. 1768. | | TYPE: MEXICO: Veracruz: Cult. in England, s.d., Houstoun s.n. (holotype: BM). |
Helianthus speciosus
| Helianthus speciosus Hooker, Bot. Mag. 61: t. 3295. 1834. | | TYPE: Without data (holotype: K). |
Leighia speciosa
| Leighia speciosa (Hooker) de Candolle, Prodr. 5: 583. 1836. | BASIONYM: Helianthus speciosus Hooker 1834. | |
Tithonia aristata
| Tithonia aristata Oersted, Vidensk. Meddel. Dansk Naturhist. Foren. Kjoebenhavn 1852: 114. 1852. | | TYPE: COSTA RICA: Aguacate, s.d., Oersted s.n. (holotype: Drawing at C). |
Tithonia heterophylla
| Tithonia heterophylla Grisebach, Bonplandia (Hannover) 6: 9. 1858. | | TYPE: PANAMA: Without data, 1810, Duchassaing de Fontbressin s.n. (holotype: GOET; isotype: GOET). |
Tithonia macrophylla
| Tithonia macrophylla S. Watson, Proc. Amer. Acad. Arts 26: 140. 1891. | | TYPE: MEXICO: Jalisco: Barranca near Guadalajara, Sep 1889, Pringle 2798 (holotype: US; isotypes: F, GH, MICH, NY, US). |
Tithonia speciosa (Hook.)Griseb.
| Tithonia speciosa (Hooker) Grisebach, Cat. Pl. Cub. 155. 1866. | BASIONYM: Helianthus speciosus Hooker 1834. | |
Tithonia tagetiflora
| Tithonia tagetiflora Desfontaines, Ann. Mus. Natl. Hist. Nat. 1: 49, pl. 4. 1802, non Lamarck 1797. | | TYPE: Without data, Thiery s.n. (holotype: P). |
Tithonia tagetiflora
| Tithonia tagetiflora Lamarck, Tabl. Encycl. t. 708. 1797. | | TYPE: Without data (lectotype: Lamarck, Tabl. Encycl. 2: t. 708. 1797). Lectotypified by La Duke, Rhodora 84: 480. 1982. |
Tithonia uniflora
| Tithonia uniflora Desfontaines ex J. F. Gmelin, Syst. Nat. 2: 1259. 1791. | | |
Tithonia vilmoriniana
| Tithonia vilmoriniana Pampanini, Boll. Soc. Bot. Ital. 1908: 133. 1908. | | TYPE: MEXICO: Michoacán: Jacona, without data (holotype: FI). |
Urbanisol aristata
| Urbanisol aristata (Oersted) Kuntze, Revis. Gen. Pl. 1: 371. 1891. | BASIONYM: Tithonia aristata Oersted 1852. | |
Urbanisol heterophylla
| Urbanisol heterophylla (Grisebach) Kuntze, Revis. Gen. Pl. 1: 371. 1891. | BASIONYM: Tithonia heterophylla Grisebach 1858. | |
Urbanisol tagetifolia
| Urbanisol tagetifolia Kuntze, Revis. Gen. Pl. 1: 370. 1891. | BASIONYM: Tithonia tagetiflora Desfontaines 1802, non Lamarck 1797. | |
Urbanisol tagetifolia var. normalis
| Urbanisol tagetifolia Kuntze, var. normalis Kuntze, Revis. Gen. Pl. 1: 370. 1891, nom. inadmiss. | BASIONYM: Urbanisol tagetifolia Kuntze 1891; Tithonia tagetiflora Desfontaines 1802, non Lamarck 1797. | |
Urbanisol tagetifolia var. speciosa
| Urbanisol tagetifolia Kuntze, var. speciosa (Hooker) Kuntze, Revis. Gen. Pl. 1: 370. 1891. | BASIONYM: Helianthus speciosus Hooker 1834. | |