Ageratina viburnoides is a species of plant in the family Asteraceae.
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 39
References
Phytologia 19 227 1970. JSTOR