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. | 
|
Poaceae | Echinochloa colonum ssp. edulis | Japanese Millet, Billion-dollar Grass, White Panic, Siberian Millet | Disturbed areas. | Native of Asia. | 
|
Poaceae | Echinochloa crus-galli ssp. crus-galli | Barnyard-grass | Disturbed areas. | Native of Eurasia. | 
|
Poaceae | Echinochloa crus-galli ssp. utilis | Japanese Millet | Cultivated, and as a waif. | Native of Japan. | 
|
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. | 
|
Poaceae | Echinochloa muricata var. muricata | Rough Barnyard-grass | Interdune wetlands, various other wet to damp habitats. | Widespread in North America. | 
|
Poaceae | Echinochloa oryzoides | | | | |
Poaceae | Echinochloa paludigena | Florida Barnyard-grass | Swamps, riverbanks, and wet disturbed habitats. | Endemic to peninsular FL. | 
|
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. | 
|