Plants of the World Online includes: •
Tithonia brachypappa B.L.Rob. -
San Luis Potosí •
Tithonia calva Sch.Bip. -
Durango,
Sinaloa •
Tithonia diversifolia (
Hemsl.)
A.Gray – tree marigold -
Mexico,
Central America; naturalized in
Asia,
Australia,
Africa,
South America,
Florida,
Texas, various oceanic islands •
Tithonia fruticosa Canby & Rose -
Chihuahua,
Durango,
Sonora,
Sinaloa •
Tithonia hondurensis La Duke -
Belize,
Honduras •
Tithonia koelzii McVaugh -
Jalisco •
Tithonia longiradiata (Bertol.)
S.F.Blake -
Mexico,
Central America (synonym
T. pittieri (Greenm.) S.F.Blake) •
Tithonia paneroi (B.L.Turner) E.E.Schill. & Panero •
Tithonia pedunculata Cronquist -
Oaxaca •
Tithonia rotundifolia (
Mill.) S.F.Blake -
Mexico,
Central America; naturalized in
Florida,
Louisiana,
South America (synonym
T. tagetiflora Desf.) •
Tithonia thurberi Gray – Arizona sunflower weed -
Chihuahua,
Sonora,
Arizona (
Pima County) •
Tithonia tubaeformis (Jacq.) Cass. -
Mexico,
Central America; naturalized in
Argentina (synonym
T. helianthoides Bernh.)
Formerly included see
Comaclinium, Enceliopsis, Lasianthaea, Viguiera ==References==