⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-103194, with some changes.
This name is a synonym of Machaeranthera arenaria .
The record derives from TICA which reports it as a synonym (record 160858EA-DD5E-459D-9D26-A0B561278196
) with original publication details: Bot. Voy. Sulphur 24 1844.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:117420-2
.