Trillium erectum subsp. rubrum Clute subspecies synonym

Trillium erectum var. cahnae Farw. variety synonym

Trillium erectum f. viridiflorum (Curtis) Peattie form synonym

Trillium erectum var. erectum variety accepted

Trillium atropurpureum Raf. species synonym

Trillium erectum var. album (Michx.) Pursh variety accepted

Trillium rhomboideum var. album Michx. variety synonym

Trillium erectum f. albiflorum R.Hoffm. form synonym

Trillium album (Michx.) Small species synonym

Trillium erectum var. giganteum Louis-Marie variety synonym

Trillium erectum f. parvum Louis-Marie form synonym

Trillium erectum f. sessiloides B.Boivin form synonym

Trillium spatulatum Raf. species synonym

Trillium rhomboideum var. atropurpureum Michx. variety synonym

Trillium atropurpureum M.A.Curtis ex L.C.Beck species synonym

Trillium erectum var. atropurpureum (Michx.) Pursh variety synonym

Trillium erectum var. blandum Jennison variety synonym

Trillium pendulum Willd. species synonym

Trillium erectum f. nigrescens Louis-Marie form synonym

Trillium erectum f. rubrostriatum Louis-Marie form synonym

Trillium erectum f. cahnae (Farw.) Louis-Marie form synonym

Trillium erectum f. parviflorum Louis-Marie form synonym

Trillium foetidum Salisb. species synonym

Trillium erectum var. sulcatum Barksd. variety synonym

Trillium nutans Raf. species synonym

Trillium erectum var. flavum Torr. variety synonym

Trillium rhomboideum Michx. species synonym

Trillium erectum var. viridiflorum Curtis variety synonym

Trillium erectum var. declinatum A.Gray variety synonym

Trillium obovatum Pursh species heterotypic synonym

Trillium erectum f. polymerum Vict. form synonym

Trillium erectum f. brevipedicellatum Louis-Marie form synonym

Trillium purpureum Elliott species synonym

Trillium flavum Raf. species synonym

Trillium acuminatum Raf. species synonym

Trillium erectum f. luteum Louis-Marie form synonym

Trillium erectum var. horizontale Louis-Marie variety synonym

Trillium erectum f. pallidandrum Vict. & J.Rousseau form synonym

Trillium grandiflorum var. obovatum (Pursh) Farw. variety heterotypic synonym

Trillium atropurpureum M.A.Curtis species homotypic synonym