Galinsoga formosa is a rare Mexican species of flowering plant in the family Asteraceae.

It has been found only the State of Oaxaca in southwestern Mexico.

[3][4] Galinsoga formosa is a branching annual herb up to 100 cm (39 in) tall.

Leaves are up to 11 cm (4.3 in) long.

Each head has 5-15 white (sometimes with a purplish underside) ray flowers surrounding up to 100 yellow disc flowers.