Etymology
''Ageratina'' is derived from Greek meaning 'un-aging', in reference to the flowers keeping their color for a long time. This name was used by Dioscorides for a number of different plants.Gledhill, David (2008). "The Names of Plants". Cambridge University Press. (hardback), (paperback). pp 39References
macbridei Endemic flora of Peru Plants described in 1923 Taxonomy articles created by Polbot {{Eupatorieae-stub