Haplopappus nuttallii Torrey & A. Gray

Haplopappus nuttallii Torrey & A. Gray is a synonym sensu FNA Ed. Comm., 2006b of:

Xanthisma grindelioides (Nuttall) D.R. Morgan & R.L. Hartman var. grindelioides, an accepted variety name sensu FNA Ed. Comm., 2006b.