| Claytonia acaulis (Kunth) Kuntze | Calandrinia acaulis Kunth |
| Claytonia acaulis (Ruiz & Pav.) Kuntze | Calandrinia carolinii Hershk. & D.I.Ford |
| Claytonia acutifolia graminifolia Hultén | Claytonia acutifolia Pall. ex Willd. |
| Claytonia acutifolia Ledeb. | Claytonia arctica Adam |
| Claytonia affinis (Gillies ex Arn.) Kuntze | Calandrinia affinis Gillies ex Arn. |
| Claytonia alsinoides Sims | Claytonia sibirica L. |
| Claytonia andicola (Gillies) Kuntze | Montiopsis andicola (Gillies) D.I.Ford |
| Claytonia aquatica Nutt. | Montia chamissoi (Ledeb. ex Spreng.) Greene |
| Claytonia arctica megarhiza A.Gray, Amer. J. Sci. Arts, ser. 2. 33: 406 (1862) | Claytonia megarhiza (A.Gray) Parry ex S.Watson |
| Claytonia asarifolia Bong. | Claytonia sibirica L. |
| Claytonia aurea A.Nelson | Claytonia multiscapa Rydb. |
| Claytonia australasica Hook.f. | Montia australasica (Hook.f.) Pax & K.Hoffm. |
| Claytonia bellidifolia Rydb. | Claytonia megarhiza (A.Gray) Parry ex S.Watson |
| Claytonia bifida Willd. ex Schult. | Claytonia sibirica L. |
| Claytonia bodinii Holz. | Claytonia virginica L. |
| Claytonia bostockii A.E.Porsild | Montia bostockii (A.E.Porsild) S.L.Welsh |
| Claytonia brevifolia (Torr.) Kuntze | Phemeranthus brevifolius (Torr.) Hershk. |
| Claytonia bulbifera A.Gray | Claytonia sibirica L. |
| Claytonia caespitosa (Gillies ex Arn.) Kuntze | Calandrinia caespitosa Gillies ex Arn. |
| Claytonia calycina (Engelm,) Kuntze | Phemeranthus calycinus (Engelm.) Kiger |
| Claytonia calycotricha (Phil.) Kuntze | Montiopsis gayana (Barnéoud) D.I.Ford |
| Claytonia caroliniana chrysantha (Greene) B.Boivin | Claytonia lanceolata Pall. ex Pursh |
| Claytonia caroliniana latifolia Louis-Marie | Claytonia caroliniana Michx. |
| Claytonia caroliniana tuberosa (Pall. ex Willd.) B.Boivin | Claytonia tuberosa Pall. ex Willd. |
| Claytonia cauliflora Sweet | Claytonia virginica L. |
| Claytonia cistiflora (Gillies ex Arn.) Kuntze | Montiopsis cistiflora (Gillies ex Arn.) D.I.Ford |
| Claytonia colchaguensis (Barnéoud) Kuntze | Calandrinia colchaguensis Barnéoud |
| Claytonia compacta (Barnéoud) Kuntze | Calandrinia compacta Barnéoud |
| Claytonia denticulata (Gillies) Kuntze | Montiopsis andicola (Gillies) D.I.Ford |
| Claytonia dianthoides (Phil.) Kuntze | Montiopsis cistiflora (Gillies ex Arn.) D.I.Ford |
| Claytonia diffusa (Gillies ex Arn.) Kuntze | Calandrinia caespitosa Gillies ex Arn. |
| Claytonia dilatata Raf. | Claytonia caroliniana Michx. |
| Claytonia discolor (Schrad.) Kuntze | Cistanthe grandiflora (Lindl.) Schltdl. |
| Claytonia eschscholtzii Cham. | Claytonia acutifolia Pall. ex Willd. |
| Claytonia fenzlii (Barnéoud) Kuntze | Cistanthe fenzlii (Barnéoud) Carolin ex Hershk. |
| Claytonia ferruginea (Barnéoud) Kuntze | Montiopsis sericea (Hook. & Arn.) D.I.Ford |
| Claytonia flagellaris Bong. | Montia parvifolia (Moc. ex DC.) Greene |
| Claytonia flava A.Nelson | Claytonia multiscapa Rydb. |
| Claytonia frigida (BarnĂ©oud) Kuntze | Cistanthe frigida (Barnéoud) Peralta |
| Claytonia gayana (BarnĂ©oud) Kuntze | Montiopsis gayana (Barnéoud) D.I.Ford |
| Claytonia gilliesii (Hook. & Arn.) Kuntze | Montiopsis gilliesii (Hook. & Arn.) D.I.Ford |
| Claytonia graminifolia (Phil.) Kuntze | Calandrinia graminifolia Phil. |
| Claytonia grandiflora (Lindl.) Kuntze | Cistanthe grandiflora (Lindl.) Schltdl. |
| Claytonia grandiflora Sweet | Claytonia virginica L. |
| Claytonia grayi Britton | Lewisia pygmaea (A.Gray) B.L.Rob. sect. Pygmaea |
| Claytonia heterophylla (Torr. & A.Gray) Swanson | Claytonia sibirica L. |
| Claytonia chamissoi Ledeb. ex Spreng. | Montia chamissoi (Ledeb. ex Spreng.) Greene |
| Claytonia chamissonis Eschsch. ex Cham. | Montia chamissoi (Ledeb. ex Spreng.) Greene |
| Claytonia chenopodina Greene | Claytonia nevadensis S.Watson |
| Claytonia chrysantha Greene | Claytonia lanceolata Pall. ex Pursh |
| Claytonia koliana Gombócz | Claytonia scammaniana Hultén |
| Claytonia lanceolata chrysantha (Greene) C.L.Hitchc. | Claytonia lanceolata Pall. ex Pursh |
| Claytonia lanceolata multiscapa (Rydb.) C.L.Hitchc. | Claytonia multiscapa Rydb. |
| Claytonia lanceolata rosea (Rydb.) R.J.Davis | Claytonia rosea Rydb. |
| Claytonia linearis Raf. | Claytonia virginica L. |
| Claytonia media (DC.) Link | Claytonia virginica L. |
| Claytonia megarhiza bellidifolia (Rydb.) C.L.Hitchc. | Claytonia megarhiza (A.Gray) Parry ex S.Watson |
| Claytonia multicaulis A.Nelson | Claytonia multiscapa Rydb. |
| Claytonia multicaulis robusta Somes | Claytonia virginica L. |
| Claytonia nivalis English | Claytonia megarhiza (A.Gray) Parry ex S.Watson |
| Claytonia nuttaliana Kuntze | Phemeranthus parviflorus (Nutt.) Kiger |
| Claytonia occulta (Phil.) Kuntze | Calandrinia compacta Barnéoud |
| Claytonia ozarkensis John.M.Mill. & K.L.Chambers | Claytonia virginica L. |
| Claytonia parva Kuntze | Lewisia pygmaea (A.Gray) B.L.Rob. sect. Pygmaea |
| Claytonia parvifolia Moc. ex DC. | Montia parvifolia (Moc. ex DC.) Greene |
| Claytonia philippiana Kuntze | Calandrinia caespitosa Gillies ex Arn. |
| Claytonia picta (Gillies ex Arn.) Kuntze | Cistanthe picta (Gillies ex Arn.) Carolin ex Hershk. |
| Claytonia porsildii Jurtzev | Claytonia scammaniana Hultén |
| Claytonia potentilloides (BarnĂ©oud) Kuntze | Montiopsis potentilloides (Barnéoud) D.I.Ford |
| Claytonia pusilla (Lindl.) F.Muell. | Calandrinia eremaea Ewart |
| Claytonia robusta (Somes) Rydb. | Claytonia virginica L. |
| Claytonia rupestris (Barnéoud) Kuntze | Calandrinia caespitosa Gillies ex Arn. |
| Claytonia rupicola Suksd. | Montia parvifolia (Moc. ex DC.) Greene |
| Claytonia saxifraga (Barnéoud) Kuntze | Montiopsis andicola (Gillies) D.I.Ford |
| Claytonia sericea (Hook. & Arn.) Kuntze | Montiopsis sericea (Hook. & Arn.) D.I.Ford |
| Claytonia sessilifolia (Torr.) Henshaw | Claytonia lanceolata Pall. ex Pursh |
| Claytonia sibirica albiflora Tatew. & Kobayashi | Claytonia sibirica L. |
| Claytonia sibirica cordifolia (S.Watson) R.J.Davis | Claytonia cordifolia S.Watson |
| Claytonia simsii Sweet | Claytonia virginica L. |
| Claytonia soczaviana Jurtzev | Claytonia acutifolia Pall. ex Willd. |
| Claytonia spatulata Eaton | Claytonia caroliniana Michx. |
| Claytonia speciosa (Lehm.) Kuntze | Cistanthe grandiflora (Lindl.) Schltdl. |
| Claytonia spectabilis (Otto & A.Dietr.) Kuntze | Cistanthe grandiflora (Lindl.) Schltdl. |
| Claytonia spinescens (Torr.) Kuntze | Phemeranthus spinescens (Torr.) Hershk. |
| Claytonia splendens (Barnéoud) Kuntze | Montiopsis cistiflora (Gillies ex Arn.) D.I.Ford |
| Claytonia stolonifera C.A.Mey. | Montia chamissoi (Ledeb. ex Spreng.) Greene |
| Claytonia tenuifolia (Phil.) Kuntze | Montiopsis gayana (Barnéoud) D.I.Ford |
| Claytonia teretifolia (Pursh) Kuntze | Phemeranthus teretifolius (Pursh) Raf. |
| Claytonia triphylla S.Watson | Erocallis triphylla (S.Watson) Rydb. sect. Pygmaea |
| Claytonia umbellata (Ruiz & Pav.) Kuntze | Montiopsis umbellata (Ruiz & Pav.) D.I.Ford |
| Claytonia unalaschkensis Fisch. | Claytonia sibirica L. |
| Claytonia vassilievii Kuzen. | Montia vassilievii (Kuzen.) McNeill |
| Claytonia vestiana Fisch. ex G.Don | Claytonia joanneana Roemer & Schult. |
| Claytonia virginica acutiflora DC. | Claytonia virginica L. |
| Claytonia virginica latifolia Torr. | Claytonia caroliniana Michx. |