Tiedemannia rigida (Linnaeus) J.M. Coulter & J.N. Rose
Tiedemannia rigida (Linnaeus) J.M. Coulter & J.N. Rose is a synonym sensu FNA Ed. Comm., in prep. f of:
Oxypolis rigidior (Linnaeus) Rafinesque, an accepted species name sensu FNA Ed. Comm., in prep. f.