Calyptridium Nutt. ex Torr. & A. Gray genus accepted

Cistanthe Spach genus accepted

Claytonia L. genus accepted

Lenzia Phil. genus accepted

Lyallia Hook.f. genus accepted

Calandrinia Kunth genus accepted

Lewisiopsis Govaerts genus accepted

Hectorella Hook.f. genus accepted

Lewisia Pursh genus accepted

Montia L. genus accepted

Philippiamra Kuntze genus accepted

Rumicastrum Ulbr. genus accepted

Phemeranthus Raf. genus accepted

Schreiteria Carolin genus accepted

Thingia Hershk. genus accepted

Montiopsis Kuntze genus accepted