⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-6000753, with some changes.
This name is a synonym of Sambucus williamsii var. williamsii .
The record derives from Tropicos which reports it as a synonym (record 6000753
) with original publication details: Ill. Man. Woody Pl. N.-E. Forest. Inst. 576 576 1955.