⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record gcc-11938, with some changes.

Erigeron williamsii Phil. is a synonym of Erigeron tracyi Greene

This name is a synonym of Erigeron tracyi Greene.

The record derives from TICA which reports it as a synonym (record 5FEBAFBB-40E0-4AF8-B1BE-16411CAC4561) with original publication details: Anales Univ. Chile 87 413 1894.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:94256-2.