Xanthisma texanum subsp. drummondii (Torrey & A. Gray) J.C. Semple

Xanthisma texanum subsp. drummondii (Torrey & A. Gray) J.C. Semple is a synonym sensu FNA Ed. Comm., 2006b of:

Xanthisma texanum var. drummondii (Torrey & A. Gray) A. Gray, an accepted variety name sensu FNA Ed. Comm., 2006b.