| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Poaceae | Dichanthelium acuminatum var. acuminatum | Woolly Witchgrass | Dryish sandy or clayey soils of open woods and disturbed areas. | MA south to FL, west to TX; West Indies, Mexico, Central America, and n. South America. |  |
| Poaceae | Dichanthelium acuminatum var. fasciculatum | Slender-stemmed Witchgrass | Open or cut-over woods, thickets, fields, meadows, and shores, frequently on disturbed soils. | NL (Newfoundland) south to FL, west to CA, north to s. BC. |  |
| Poaceae | Dichanthelium acuminatum var. lindheimeri | Lindheimer's Witchgrass | Open or cut-over woods, thickets, fields, meadows, and shores, often on wet soils. | NS west to MB, south to FL and MO, west to s. CA. |  |
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