| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Portulacaceae | Portulaca amilis | Broadleaf Pink Purslane | Sandy fields, lawns, and other dry, sandy, disturbed habitats. | Native of South America. Matthews & Levins (1985) describe the spread of this alien species in North America, apparently from an introduction in North Carolina (the earliest North American collection in 1932 in Robeson County, NC). Reported for Lowndes County, MS (Whitson 2010). |  |
| Portulacaceae | Portulaca biloba | Grit Purslane | Outcrops of Altamaha Grit. | This species has been collected repeatedly on outcrops of the Altamaha Grit in s. GA (Matthews, Faircloth, & Allison 1991); it also occurs in Cuba. |  |
| Portulacaceae | Portulaca coronata | Flatrock Portulaca | On or around granitic flatrocks, usually under Juniperus virginiana, and on Altamaha Grit outcrops. | SC south to GA, endemic to granitic and sandstone outcrops in the Piedmont and rarely Altamaha grit (sandstone outcrops in the upper Coastal Plain). |  |
| Portulacaceae | Portulaca grandiflora | Rose-moss, Cultivated Purslane | In sandy soil or around granitic flatrocks, other disturbed areas. | Native of Argentina. |  |
| Portulacaceae | Portulaca halimoides | Silk-cotton Purslane | Sandy or gravelly areas; eastwards as a waif along railroad (Reed 1964). | Mexico south to n. South America; West Indies. |  |
| Portulacaceae | Portulaca minuta | Tiny Purslane | Freshwater ephemeral pools on limestone. | S. FL (Monroe County keys); Bahamas (Great Exuma, South Andros). | |
| Portulacaceae | Portulaca nicaraguensis | Neotropical Purslane | Mangroves, salt flats, also disturbed areas. | FL (and maybe other; West Indies; Mexico and Central America; now also more widespread from anthropogenic spread. | |
| Portulacaceae | Portulaca oleracea | Common Purslane, Garden Purslane, Pussley, Pursley, Duckweed | Gardens, disturbed areas, cracks in sidewalks; partly native in our area (different genotypes, sometimes treated as varieties, subspecies, or species, appear to have different areas of origin but are now widely distributed by introduction). |  | |
| Portulacaceae | Portulaca pilosa | Kiss-me-quick | Disturbed sandy soils, calcareous glades. | NC south to s. FL, west to NM, north in the interior to c. TN, AR, and OK, and in Central America; the native range perhaps obscure. |  |
| Portulacaceae | Portulaca rubricaulis | Brown-seeded Portulaca, Red-stem Purslane, Stalked Purslane | Coastal grasslands, beaches, coastal rock barrens, shell middens, and strands. | S. FL; West Indies; s. Mexico; South America. |  |
| Portulacaceae | Portulaca smallii | Small's Portulaca | In thin soils on granitic and diabase flatrocks, sometimes locally spreading to adjacent fields, mowed areas, or other disturbed areas. | Sc. VA south to c. GA. |  |
| Portulacaceae | Portulaca umbraticola ssp. lanceolata | Prairies, outcrops, disturbed areas. | AR, s. OK, NM, and AZ south to TX and Mexico. |  | |
| Portulacaceae | Portulaca umbraticola ssp. umbraticola | Gravelly fields, other disturbed areas. | Native of the Neotropics. |  |
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