| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Poaceae | Spartina alterniflora | Saltmarsh Cordgrass, Smooth Cordgrass | Salt marshes. S. alterniflora is the dominant plant (often essentially a monoculture) of intratidal salt marshes in our area. | NL (Newfoundland) south to FL, west to TX and ne. Mexico; e. South America; introduced in n. Europe. |  |
| Poaceae | Spartina bakeri | Sand Cordgrass | Brackish marshes, marsh edges, also wet coastal hammocks under Sabal palmetto, Quercus virginiana, and Juniperus silicicola. | Se. SC south to s. FL, west to Panhandle FL. |  |
| Poaceae | Spartina cynosuroides | Giant Cordgrass | Brackish (mesohaline and oligohaline) and freshwater tidal marshes, especially along margins of tidal creeks. | MA south to FL, west to e. TX. |  |
| Poaceae | Spartina densiflora | Denseflower Cordgrass | Coastal marshes. | Native of South America. | |
| Poaceae | Spartina patens | Small Saltmeadow Cordgrass, Salt Hay, Marsh-hay Cordgrass | Dunes, sand flats, upper edges of tidal marshes, maritime wet grasslands, overwash flats. | NL (Newfoundland) south to FL, west to TX; West Indies; Mexico (ROO, TAB, TAM) and Central America. |  |
| Poaceae | Spartina pectinata | Prairie Cordgrass, Slough Grass | Calcareous and mafic fens, banks of rivers and lakes, spray cliffs below waterfalls, rocky or sandy flood-scoured riverside grasslands, tidal freshwater (oligohaline) marshes, swamps, calcareous oak flatwoods and prairies. | NL (Newfoundland) west to WA, south to ne. NC, sw. NC, nw. GA (Floyd County), and ne. AL (Cherokee County), w. to n. LA, TX, and NM. |  |
| Poaceae | Spartina spartinae | Gulf Cordgrass | Brackish marshes, coastal prairies, and inland saline situations. | AL and FL west to TX and Mexico (many states); Bahamas. |  |
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