• Portulaca Linnaeus, 1753
• Portulaca amilis Speg.
• Portulaca biloba Urban
• Portulaca caulerpoides Britt. & Wilson ex Britt.
• Portulaca coronata Small accepted as Portulaca umbraticola Kunth
• Portulaca cyanosperma Engl. accepted as Portulaca pilosa Linnaeus, 1753
• Portulaca grandiflora Hook.
• Portulaca halimoides Linnaeus
• Portulaca hawaiiensis O. Deg. accepted as Portulaca villosa Cham.
• Portulaca lanceolata Engelm. accepted as Portulaca umbraticola Kunth
• Portulaca lutea Soland. ex G. Forst.
• Portulaca molokiniensis Hobdy
• Portulaca mundula I.M. Johnston accepted as Portulaca pilosa Linnaeus, 1753
• Portulaca neglecta Mackenzie & Bush accepted as Portulaca oleracea Linnaeus, 1753
• Portulaca oleracea Linnaeus, 1753
• Portulaca paniculata Jacq. accepted as Talinum paniculatum (Jacq.) Gaertn.
• Portulaca parvula Gray accepted as Portulaca halimoides Linnaeus
• Portulaca phaeosperma Urban accepted as Portulaca rubricaulis Kunth
• Portulaca pilosa Linnaeus, 1753
• Portulaca poliosperma Urban accepted as Portulaca teretifolia Kunth
• Portulaca portulacastrum Linnaeus accepted as Sesuvium portulacastrum (Linnaeus) Linnaeus
• Portulaca quadrifida Linnaeus
• Portulaca retusa Engelm. accepted as Portulaca oleracea Linnaeus, 1753
• Portulaca rubricaulis Kunth
• Portulaca sclerocarpa Gray
• Portulaca smallii P. Wilson
• Portulaca suffrutescens Engelm.
• Portulaca teretifolia Kunth
• Portulaca umbraticola Kunth
• Portulaca villosa Cham.
• Portulacaceae de Jussieu, 1789
• Portulacapollenites L.C. Li & T.C. Huang, 1990 †
• Portulacaria N.J. Jacquin, 1787
• Portulacaria afra (L.) Jacq.
• Portulacastrum A.L. Jussieu ex Medikus, 1789 accepted as Trianthema Linnaeus, 1753