| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Caryophyllaceae | Spergularia canadensis var. canadensis | Canadian Sandspurrey | Salt marshes, beaches, brackish river edges. | Newfoundland and Labrador and Nunavut south to New York (Long Island), n. New Jersey, and Ontario. |  (c) Brinker, Samuel - CC-BY-NC, permission granted to NCBG |
| Caryophyllaceae | Spergularia echinosperma | Disturbed soils. | Native of Europe. Naturalized in Georgia and Alabama (FNA). |  (c) Kúr, Pavel - CC0 | |
| Caryophyllaceae | Spergularia marina | Saltmarsh Sand-spurrey | Brackish and salt marsh flats, inland in salt springs (as in n. LA) and introduced in salt waste (as pickle brine in Mount Olive, NC) and along salted highways. | Widespread on coasts of North America (from Québec south to c. peninsular Florida, from British Columbia south to Baja California and Sonora), inland along salted highways, in South America, and Eurasia. Considered by some (C, G) to be introduced only in North America, by others native (F, FNA, S, POWO). |  (c) Wong, Michelle - CC-BY |
| Caryophyllaceae | Spergularia media var. media | Disturbed areas. | Native of Eurasia. Known from salted highways in New York, Ohio, Michigan, and Illinois and salt or brackish marsh habitats in coastal New York. | ||
| Caryophyllaceae | Spergularia platensis var. platensis | Disturbed areas. | Native of South America (Argentina). | ||
| Caryophyllaceae | Spergularia rubra | Purple Sand-spurrey, Roadside Sand-spurrey | Disturbed areas. | Native of Eurasia. |  (c) Danielson, Erik |