Ageratina adenophora

Ageratina adenophora (Spreng.) R.M. King & H. Rob.
Phytologia 19(4): 211. 1970.

Ageratina Spach
Asteraceae Bercht. & J. Presl

Basionym : Eupatorium adenophorum Spreng.

Synonyms:
Ageratina trapezoidea (Kunth) R. M. King & H. Rob.
Eupatorium adenophorum Spreng. (basionym)
Eupatorium glandulosum Michx.
Eupatorium trapezoideum Kunth

Found throughout Monserrate as invasive plant. In Madeira this plant is so widespread that it is known as "Abundância". Originally from Central America