⚠ Version 1 of The Plant List has been superseded.
This name record (from Tropicos) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Buddleja occidentalis in version 1.1 of The Plant List.
This name is a synonym of Buddleja americana .
The record derives from Tropicos which reports it as a synonym (record 50197467
) with original publication details: Nov. Gen. Sp. (quarto ed.) 2: 282; ed. quar. 2: 350 282; ed. quar. 2: 350 1818.