Tetrachyron is a genus of Mesoamerican plants in the tribe Heliantheae within the family Asteraceae.

1. Species

2. Tetrachyron brandegeei (Greenm.) Wussow & Urbatsch - Oaxaca, Puebla

3. Tetrachyron discolor (A.Gray) Wussow & Urbatsch - Hidalgo

4. Tetrachyron grayi (Klatt) Wussow & Urbatsch - Tamaulipas, Nuevo León

5. Tetrachyron manicatum Schltdl. - Oaxaca, Veracruz

6. Tetrachyron orizabaensis (Klatt) Wussow & Urbatsch - Guatemala, Chiapas, Oaxaca, Puebla, Veracruz

7. Tetrachyron torresii B.L.Turner - Oaxaca

8. Tetrachyron websteri (Wussow & Urbatsch) B.L.Turner - Tamaulipas, Hidalgo, Querétaro

9. formerly included

see Calea

• Tetrachyron oaxacana - Calea oaxacana

References