''Galinsoga mandonii'' is a South American species of flowering plant in the family

Asteraceae The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales. Commonly referred to as the aster, daisy, composite, or sunflower family, Compositae w ...

. It has been found in

Peru , image_flag = Flag of Peru.svg , image_coat = Escudo nacional del Perú.svg , other_symbol = Great Seal of the State , other_symbol_type = Seal (emblem), National seal , national_motto = "Fi ...

Bolivia , image_flag = Bandera de Bolivia (Estado).svg , flag_alt = Horizontal tricolor (red, yellow, and green from top to bottom) with the coat of arms of Bolivia in the center , flag_alt2 = 7 × 7 square p ...

, and far northwestern

Argentina Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, th ...

.Canne-Hilliker, Judith Marie. 1977. Rhodora 79(819): 370-373
in English, distribution map on page 367

Description

''Galinsoga mandonii'' is a branching annual herb up to tall. Leaves are up to long. Flower heads are up to across. Each head has 3-9 white or dark purple ray flowers surrounding about 5-40 yellow or purple disc flowers.

References

* mandonii Flora of South America Plants described in 1866 {{Asteroideae-stub