| Lewisia alba Kellogg |
Synonym |
 |
TRO |
| Lewisia aridorum (A.Heller) S.Clay |
Unresolved |
 |
WCSP (in review) |
| Lewisia aurantiaca A.Nelson |
Unresolved |
 |
WCSP (in review) |
| Lewisia bernardina Davidson |
Synonym |
 |
TRO |
| Lewisia brachycalyx Engelm. ex A. Gray |
Accepted |
 |
TRO |
| Lewisia brachycarpa S. Watson |
Synonym |
 |
TRO |
| Lewisia cantelovii J.T. Howell |
Accepted |
 |
TRO |
| Lewisia columbiana (Howell ex A. Gray) B.L. Rob. |
Accepted |
 |
TRO |
| Lewisia columbiana subsp. congdonii (Rydb.) R.S. Ferris |
Synonym |
 |
TRO |
| Lewisia columbiana subsp. rupicola (English) R.S. Ferris |
Synonym |
 |
TRO |
| Lewisia columbiana var. rupicola (English) C.L. Hitchc. |
Accepted |
 |
TRO |
| Lewisia columbiana var. wallowensis C.L. Hitchc. |
Accepted |
 |
TRO |
| Lewisia columbiana subsp. wallowensis (C.L. Hitchc.) J.E. Hohn ex B. Mathew |
Synonym |
 |
TRO |
| Lewisia congdonii (Rydb.) S. Clay |
Accepted |
 |
TRO |
| Lewisia congdonii (Rydb.) J.T. Howell |
Synonym |
 |
TRO |
| Lewisia cotyledon (S. Watson) B.L. Rob. |
Accepted |
 |
TRO |
| Lewisia cotyledon var. cotyledon |
Accepted |
 |
TRO |
| Lewisia cotyledon var. heckneri (C.V. Morton) Munz |
Accepted |
 |
TRO |
| Lewisia cotyledon var. howellii (S. Watson) Jeps. |
Accepted |
 |
TRO |
| Lewisia cotyledon var. purdyi Jeps. |
Synonym |
 |
TRO |
| Lewisia crenulata S.Clay |
Unresolved |
 |
WCSP (in review) |
| Lewisia disepala Rydb. |
Accepted |
 |
TRO |
| Lewisia eastwoodiana Purdy |
Synonym |
 |
TRO |
| Lewisia exarticulata H. St. John |
Synonym |
 |
TRO |
| Lewisia finchiae Purdy |
Synonym |
 |
TRO |
| Lewisia glandulosa (Rydb.) Dempster |
Synonym |
 |
TRO |
| Lewisia heckneri (C.V. Morton) J.T. Howell |
Synonym |
 |
TRO |
| Lewisia heckneri (C.V. Morton) R.B. Sm. |
Synonym |
 |
TRO |
| Lewisia howellii (S. Watson) B.L. Rob. |
Synonym |
 |
TRO |
| Lewisia kelloggii K. Brandegee |
Accepted |
 |
TRO |
| Lewisia kelloggii subsp. hutchisonii Dempster |
Synonym |
 |
TRO |
| Lewisia leeana (Porter) B.L. Rob. |
Accepted |
 |
TRO |
| Lewisia longifolia S.Clay |
Unresolved |
 |
WCSP (in review) |
| Lewisia longipetala (Piper) S. Clay |
Accepted |
 |
TRO |
| Lewisia maguirei A.H.Holmgren |
Unresolved |
 |
WCSP (in review) |
| Lewisia mariana S.Clay |
Unresolved |
 |
WCSP (in review) |
| Lewisia megarhiza (Hemsl.) MacBryde |
Synonym |
 |
TRO |
| Lewisia mexicana (Rydb.) S. Clay |
Synonym |
 |
TRO |
| Lewisia millardii S.Clay |
Unresolved |
 |
WCSP (in review) |
| Lewisia minima (A. Nelson) A. Nelson |
Synonym |
 |
TRO |
| Lewisia minor Rydb. |
Synonym |
 |
TRO |
| Lewisia nevadensis (A. Gray) B.L. Rob. |
Accepted |
 |
TRO |
| Lewisia oppositifolia (S. Watson) B.L. Rob. |
Accepted |
 |
TRO |
| Lewisia purdyi (Jeps.) Gabrielson |
Synonym |
 |
TRO |
| Lewisia pygmaea (A. Gray) B.L. Rob. |
Accepted |
 |
TRO |
| Lewisia pygmaea var. aridorum Bartlett |
Synonym |
 |
TRO |
| Lewisia pygmaea subsp. glandulosa (Rydb.) R.S. Ferris |
Synonym |
 |
TRO |
| Lewisia pygmaea subsp. longipetala (Piper) R.S. Ferris |
Synonym |
 |
TRO |
| Lewisia pygmaea var. nevadensis (A. Gray) Fosberg |
Synonym |
 |
TRO |
| Lewisia rediviva Pursh |
Unresolved |
 |
WCSP (in review) |
| Lewisia rediviva var. minor (Rydb.) Munz |
Unresolved |
 |
TRO |
| Lewisia rediviva subsp. minor (Rydb.) A.H. Holmgren |
Synonym |
 |
TRO |
| Lewisia rediviva var. rediviva |
Unresolved |
 |
TRO |
| Lewisia rediviva var. yosemitana K. Brandegee |
Synonym |
 |
TRO |
| Lewisia richeyi S.Clay |
Unresolved |
 |
WCSP (in review) |
| Lewisia rupicola English |
Synonym |
 |
TRO |
| Lewisia sacajaweana B.L.Wilson |
Unresolved |
 |
WCSP (in review) |
| Lewisia serrata Heckard & Stebbins |
Synonym |
 |
TRO |
| Lewisia sierrae R.S. Ferris |
Synonym |
 |
TRO |
| Lewisia stebbinsii Gankin & W.R.Hildreth |
Unresolved |
 |
WCSP (in review) |
| Lewisia triphylla (S.Watson) B.L.Rob. |
Synonym |
 |
WCSP (in review) |
| Lewisia tweedyi (A.Gray) B.L.Rob. |
Accepted |
 |
WCSP (in review) |
| Lewisia whiteae Purdy |
Unresolved |
 |
WCSP (in review) |
| Lewisia yosemitana Jeps. |
Synonym |
 |
TRO |