Coreopsis tinctoria var. similis (F.E. Boynton) H.M. Parker ex E.B. Smith
Coreopsis tinctoria var. similis (F.E. Boynton) H.M. Parker ex E.B. Smith is a synonym sensu FNA Ed. Comm., 2006c of:
Coreopsis tinctoria Nuttall, an accepted species name sensu FNA Ed. Comm., 2006c.