Ageratina altissima var. angustata (A. Gray) Clewell & Wooten

Ageratina altissima var. angustata (A. Gray) Clewell & Wooten is a synonym sensu FNA Ed. Comm., 2006c of:

Ageratina altissima (Linnaeus) R.M. King & H. Robinson var. altissima, an accepted variety name sensu FNA Ed. Comm., 2006c.