| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Asteraceae | Acanthospermum australe | Paraguay Bur, Sheep Bur, Paraguay Starbur | Disturbed areas. | Native of South America. |  |
| Asteraceae | Acanthospermum hispidum | Hispid Starbur | Disturbed areas, soybean and peanut fields, gardens. | Native of n. South America. First reported from SC by Hill & Horn (1997). |  |
| Asteraceae | Acanthospermum humile | Low Starbur | Disturbed areas. | Native of the West Indies. Reported for SC by Nelson (2003). |  |