| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Poaceae | Echinochloa colonum ssp. colonum | Jungle-rice | Fields, ditches, disturbed wet areas. | Native of the Old World tropics. |  (c) Bradley, Keith |
| Poaceae | Echinochloa colonum ssp. edulis | Japanese Millet, Billion-dollar Grass, White Panic, Siberian Millet | Disturbed areas. | Native of Asia. |  (c) Danielson, Erik |
| Poaceae | Echinochloa crus-galli ssp. crus-galli | Barnyard-grass | Disturbed areas. | Native of Eurasia. |  (c) Campos, Aidan |
| Poaceae | Echinochloa crus-galli ssp. utilis | Japanese Millet | Cultivated, and as a waif. | Native of Japan. |  (c) Bradley, Keith |
| Poaceae | Echinochloa crus-pavonis var. crus-pavonis | Disturbed areas. | |||
| Poaceae | Echinochloa crus-pavonis var. macera | ||||
| Poaceae | Echinochloa muricata var. microstachya | Rough Barnyard-grass | Alluvial swamps, river shores and bars, depression ponds, interdune swales, low fields, beaver impoundments, manmade impoundments, other moist to wet disturbed habitats. | NL west to BC, south to FL, TX, CA, Mexico, Central America, and South America. |  (c) Sorrie, Bruce A. - CC-BY |
| Poaceae | Echinochloa muricata var. muricata | Rough Barnyard-grass | Interdune wetlands, various other wet to damp habitats. | Widespread in North America. |  (c) Bradley, Keith |
| Poaceae | Echinochloa oryzoides | ||||
| Poaceae | Echinochloa paludigena | Florida Barnyard-grass | Swamps, riverbanks, and wet disturbed habitats. | Endemic to peninsular FL. |  (c) Horn, Jay |
| Poaceae | Echinochloa polystachya | Aleman Grass, Creeping River Grass | Marshes, wet disturbed areas. | Sw. LA and TX south through Mexico to South America; West Indies; s. FL (where of uncertain nativity). | |
| Poaceae | Echinochloa walteri | Swamp Barnyard-grass | Marshes of many kinds. | MA south to FL, west to TX on the outer Coastal Plain; also inland from OH west to WI, south to w. WV, MO, and AR; Mexico to Central America; West Indies. |  (c) Bradley, Keith |