| Lewisia alba | Lewisia rediviva Pursh sect. Rediviva |
| Lewisia aridorum | Lewisia pygmaea (A.Gray) B.L.Rob. sect. Pygmaea |
| Lewisia bernardina | Lewisia nevadensis (A.Gray) B.L.Rob. sect. Pygmaea |
| Lewisia eastwoodiana | Lewisia leeana (Porter) B.L.Rob. sect. Cotyledon |
| Lewisia finchiae | Lewisia cotyledon (S.Watson) B.L.Rob. sect. Cotyledon |
| Lewisia minima | Lewisia pygmaea (A.Gray) B.L.Rob. sect. Pygmaea |
| Lewisia purdyi | Lewisia cotyledon (S.Watson) B.L.Rob. sect. Cotyledon |
| Lewisia serrata | Lewisia cantelovii J.T.Howell sect. Cotyledon |
| Lewisia sierrae | Lewisia pygmaea (A.Gray) B.L.Rob. sect. Pygmaea |
| Lewisia triphylla | Erocallis triphylla (S.Watson) Rydb. sect. Pygmaea |
| Lewisia tweedyi | Lewisiopsis tweedyi (A.Gray) Govaerts |
| Lewisia yosemitana | Lewisia kelloggii K.Brandegee sect. Pygmaea |