The Plant List — A working list for all plant species

⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record gcc-45695, with some changes.

M Arnica cascadensis H.St.John is a synonym of Arnica rydbergii Greene

This name is a synonym of Arnica rydbergii Greene.

The record derives from TICA which reports it as a synonym (record EAEBC382-E02A-4A62-B91C-54B358F70E83) with original publication details: C10 1927.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:19890-2.