⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record gcc-99544, with some changes.

Tridax gaillardioides Hook. & Arn. is a synonym of Layia gaillardioides (Hook. & Arn.) DC.

This name is a synonym of Layia gaillardioides (Hook. & Arn.) DC..

The record derives from TICA which reports it as a synonym (record A446BC94-ADF3-4B27-B568-9891A2505996) with original publication details: The Botany of Captain Beechey's Voyage 148-149 1833.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:257720-2.