| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Poaceae | Leptochloa crinita | False Rhodesgrass | Alluvial areas and ditches, eastwards as a ballast waif. | TX, NM, and AZ south into Mexico; s. South America. |  |
| Poaceae | Leptochloa digitata | Finger Sprangletop, Umbrella Canegrass | Waif at wool-combing mill, probably not established. | Native of Australia. |  |
| Poaceae | Leptochloa pluriflora | Lower areas in brush. | S. TX south to s. Mexico. |  | |
| Poaceae | Leptochloa virgata | Tropical Sprangletop | Depression marshes, sinkholes, disturbed uplands and wetlands, also as a waif at wool-combing mill and on ballast at old seaports. | S. TX south to Argentina; s. FL; West Indies. |  |