⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-47122, and has not been changed.
This name is a synonym of Amphipappus fremontii var. spinosus .
The record derives from TICA which reports it as a synonym (record FACCBC07-91FC-4A95-8E49-574EB3197454
) with original publication details: Bot. Gaz. 47 431 1909.