Species: 40~150.
Geography: cosmopolitan
- Portulaca amilis Speg. – Paraguayan Purslane
- Portulaca andicola
- Portulaca australis Endl.
- Portulaca bicolor F.Muell. – Pigweed
- Portulaca biloba Urb. – Cuban Purslane
- Portulaca boliviensis
- Portulaca caulerpoides Britt. & Wilson ex Britt. – Puerto Rican Purslane
- Portulaca clavigera R.Geesink
- Portulaca conspicua Domin
- Portulaca cyclophylla F.Muell.
- Portulaca cryptopetala
- Portulaca elatior
- Portulaca elongata
- Portulaca eruca
- Portulaca fluvialis
- Portulaca fragilis
- Portulaca gilliesii
- Portulaca gracilis
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Portulaca grandiflora Hook., – Moss-rose Purslane, Portulakröschen - Argentina, Brazil, Uruguay
- Portulaca halimoides L. – Silkcotton Purslane
- Portulaca insularis
- Portulaca intraterranea J.M.Black
- Portulaca kuriensis A.G.Mill., - Yemen.
- Portulaca lanuginosa
- Portulaca longiusculotuberculata
- Portulaca lutea Soland. ex G.Forst. – Yellow Purslane
- Portulaca molokiniensis Hobdy
- Portulaca mucronata
- Portulaca napiformis Benth.
- Portulaca oleracea L. – Common Purslane, Pigweed, Sommer-Portulak
- Portulaca oligosperma F.Muell.
- Portulaca papulosa
- Portulaca pedicellata
- Portulaca perennis
- Portulaca pilosa L. – Shaggy Purslane
- Portulaca psammotropha
- Portulaca quadrifida L. – Chickenweed Purslane
- Portulaca rotundifolia
- Portulaca rubricaulis Kunth – Redstem Purslane
- Portulaca samhaensis A.G.Mill., - Yemen
- Portulaca sclerocarpa A.Gray
- Portulaca sedifolia A.G.Mill., - Yemen
- Portulaca smallii P.Wilson – Small's Purslane
- Portulaca suffrutescens Engelm. – Shrubby Purslane
- Portulaca teretifolia Kunth – Roundleaf Purslane
- Portulaca umbraticola Kunth – Wingpod Purslane
- Portulaca villosa Cham. – Hairy Purslane
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