Chromolaena squalida is a South American species of flowering shrub in the family Asteraceae. It is found in Brazil, Paraguay, Bolivia, Peru, Colombia, Venezuela, Guyana, Suriname.Tropicos, (DC.) R.M. King & H. Rob.Jørgensen, P. M., M. H. Nee & S. G. Beck. (eds.) 2014. Catálogo de las plantas vasculares de Bolivia, Monographs in systematic botany from the Missouri Botanical Garden 127(1–2): i–viii, 1–1744.Pruski, J.F. 1997. Asteraceae. 3: 177–393. In J. A. Steyermark, P. E. Berry & B. K. Holst (eds.) Flora of the Venezuelan Guayana. Missouri Botanical Garden Press, St. LouisFunk, V. A., P. E. Berry, S. Alexander, T. H. Hollowell & C. L. Kelloff. 2007. Checklist of the Plants of the Guiana Shield (Venezuela: Amazonas, Bolivar, Delta Amacuro; Guyana, Surinam, French Guiana). Contributions from the United States National Herbarium 55: 1–584
Chromolaena squalida is a shrub with bristly stems. Leaves are opposite, green above but hairy underneath. The plant produces many small flower heads in a flat-topped array.Candolle, Augustin Pyramus de 1836. Prodromus Systematis Naturalis Regni Vegetabilis 5: 142 in Latin, as Eupatorium squalidum
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External links photo of herbarium specimen at Missouri Botanical Garden, collected in Minas Gerais, Brazil photo of herbarium specimen at Missouri Botanical Garden, collected in the Federal District, Brazil