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⚠ Version 1 of The Plant List has been superseded.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-99993, and has not been changed.

M Arnica columbiana A.Nelson is a synonym of Arnica gracilis Rydb.

This name is a synonym of Arnica gracilis Rydb..

The record derives from TICA which reports it as a synonym (record 94A6E08A-7D5C-47FD-AAEA-999678116D02) with original publication details: Bot. Gaz. 30 200 1900.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:19905-2.