• Montia Gilbert, 1973 † [Family: Volutidae]
• Montia Linnaeus, 1753 [Family: Montiaceae]
• Montia P. Miller, 1754 (unaccepted) [Family: Malvaceae]
• Montia arenicola (Henderson) T.J. Howell accepted as Claytonia arenicola Henderson
• Montia bostockii (Porsild) Welsh
• Montia chamissoi (Ledeb. ex Spreng.) Greene
• Montia cordifolia (S. Wats.) Pax & K. Hoffmann accepted as Claytonia cordifolia S. Wats.
• Montia dichotoma (Nutt.) T.J. Howell
• Montia diffusa (Nutt.) Greene
• Montia dipetala Suksdorf accepted as Montia fontana Linnaeus
• Montia flagellaris (Bong.) B.L. Robins. accepted as Montia parvifolia (Moc. ex DC.) Greene
• Montia fontana Linnaeus
• Montia gypsophiloides (Fisch. & C.A. Mey.) T.J. Howell accepted as Claytonia gypsophiloides Fisch. & C.A. Mey.
• Montia hallii (Gray) Greene accepted as Montia fontana Linnaeus
• Montia heterophylla (Torr. & Gray) Jepson accepted as Claytonia heterophylla (Torr. & Gray) Swanson
• Montia howellii S. Wats.
• Montia lamprosperma Cham. accepted as Montia fontana Linnaeus
• Montia linearis (Dougl. ex Hook.) Greene
• Montia minor K.C. Gmel. accepted as Montia fontana Linnaeus
• Montia parviflora (Dougl. ex Hook.) T.J. Howell accepted as Claytonia parviflora Dougl. ex Hook.
• Montia parvifolia (Moc. ex DC.) Greene
• Montia perfoliata (Donn ex Willd.) T.J. Howell accepted as Claytonia perfoliata Donn ex Willd.
• Montia rivularis C.C. Correll
• Montia sarmentosa (C.A. Mey.) B.L. Robins. accepted as Claytonia sarmentosa C.A. Mey.
• Montia saxosa (Brandeg.) Brandeg. ex B.L. Robins. accepted as Claytonia saxosa Brandeg.
• Montia scammaniana (Hultén) Welsh accepted as Claytonia scammaniana Hultén
• Montia sibirica (L.) T.J. Howell accepted as Claytonia sibirica Linnaeus
• Montia verna Neck. accepted as Montia fontana Linnaeus
• Montiaceae Rafinesque, 1820
• Montiaeschna Theischinger, 2012 accepted as Austroaeschna Selys, 1883
• Montiaphthona Scherer, 1961
• Montiapollis R.L. Ravn, 1987 †
• Montiastrum (A. Gray) Rydberg, 1917 accepted as Montia Linnaeus, 1753
• Montiastrum dichotomum (Nutt.) Rydb. accepted as Montia dichotoma (Nutt.) T.J. Howell
• Montiastrum lineare (Dougl. ex Hook.) Rydb. accepted as Montia linearis (Dougl. ex Hook.) Greene