Ageratina adenophora
- Common name(s): eupatory, croftonweed, thoroughwort, sticky snakeroot, catweed, hemp agrimony, sticky agrimony, sticky Eupatorium
- Synonym(s): Eupatorium adenophorum, E. glandulosum, E. pasadense.
- All names: Ageratina adenophora, Eupatorium adenophorum, E. glandulosum, E. pasadense., eupatory, croftonweed, thoroughwort, sticky snakeroot, catweed, hemp agrimony, sticky agrimony, sticky eupatorium, euphatorium