⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-100359102, with some changes.
This name is a synonym of Zilla macroptera .
The record derives from Tropicos which reports it as a synonym (record 100359102
) with original publication details: Fl. Alaska 13: 8 8 1967.