Trigonospermum
Trigonospermum is a genus of Mesoamerican plants in the family Asteraceae.
; SpeciesTrigonospermum adenostemmoides Less. - Chiapas, VeracruzTrigonospermum annuum McVaugh & Lask. - JaliscoTrigonospermum auriculatum B.L.Turner - GuerreroTrigonospermum hintoniorum B.L.Turner - Tamaulipas, Nuevo LeónTrigonospermum melampodioides DC. - Oaxaca, Chiapas, Michoacán, Jalisco, Guerrero, Sinaloa, Morelos, NayaritTrigonospermum stevensii S.D.Sundb. & Stuessy - Nicaragua, Guatemala
; formerly included
see Sigesbeckia
- ''Trigonospermum blakei - Sigesbeckia blakei''