Heuchera L. genus accepted

Mitella L. genus accepted

Conimitella Rydb. genus accepted

Elmera Rydb. genus accepted

Lithophragma (Nutt.) Torr. & A.Gray genus accepted

Bensoniella Morton genus accepted

Tellima R.Br. genus accepted

Tolmiea Torr. & A.Gray genus accepted

Tiarella L. genus accepted

Mitellastra Howell genus accepted

Ozomelis Raf. genus accepted

Pectiantia Raf. genus accepted

Brewerimitella (Engl.) R.A.Folk & Y.Okuyama genus accepted

Asimitellaria (Wakab.) R.A.Folk & Y.Okuyama genus accepted

Spuriomitella (H.Boissieu) R.A.Folk & Y.Okuyama genus accepted