Not an accepted name (status: unknown). The accepted name is Sideranthus glaberrimus Rydb., 1900.

Machaeranthera pinnatifida var. glaberrima (Rydb.) B.L.Turner & R.L.Hartm. 6% complete

No common name

There is no corrections for Machaeranthera pinnatifida var. glaberrima yet.