Synonyms
Phyllantherum recurvatum (L.C.Beck) Nieuwl.
Trillium recurvatum f. foliosum Steyerm.
Trillium recurvatum f. shayi E.J.Palmer & Steyerm.
Trillium recurvatum f. esepalum J.D.Freeman & Heineke
Trillium recurvatum f. luteum Friesner
Trillium unguiculatum Nutt.
Trillium recurvatum f. petaloideum Steyerm.