Isopyron biternatum (Raf.) Torr. & A.Gray species synonym

Enemion savilei (Calder & R.L.Taylor) M.Tamura species synonym

Enemion raddeanum var. japonicum Franch. & Sav. variety synonym

Enemion raddeanum Regel species accepted

Enemion occidentale var. coloratum (Greene) J.R.Drumm. & Hutch. variety synonym

Enemion stipitatum (A.Gray) J.R.Drumm. & Hutch. species accepted

Enemion occidentale (Hook. & Arn.) J.R.Drumm. & Hutch. species accepted

Enemion hallii (A.Gray) J.R.Drumm. & Hutch. species accepted

Enemion savilei (Calder & Taylor) Keener species accepted

Enemion biternatum Raf. species accepted

Isopyrum raddeanum (Regel) Maxim. species synonym

Isopyrum savilei Calder & R.L.Taylor species synonym

Isopyrum occidentale var. coloratum Greene variety synonym

Isopyrum biternatum f. acutilobum Fassett form synonym

Isopyrum stipitatum A.Gray species synonym

Isopyrum occidentale Hook. & Arn. species synonym

Isopyrum hallii A.Gray species synonym

Isopyrum biternatum (Raf.) Torr. & A.Gray species synonym