| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Cyperaceae | Cyperus esculentus var. esculentus | Chufa | Apparently sparingly cultivated, and persistent. | Native of Eurasia. | |
| Cyperaceae | Cyperus esculentus var. heermannii | Disturbed areas. | Native of w. United States and Mexico. Map is particularly uncertain. | ||
| Cyperaceae | Cyperus esculentus var. leptostachyus | Yellow Nutsedge, Yellow Nutgrass, Wild Chufa, Earth-almond, Cache-cache (frc) | Fields, roadsides, shores, other disturbed areas. | The species is widespread in tropical and warm temperate North, Central, and South America. |  (c) Srinivasan, Ashwin - CC-BY |
| Cyperaceae | Cyperus esculentus var. macrostachyus | Yellow Nutsedge, Yellow Nutgrass, Wild Chufa, Earth-almond | Disturbed areas. | Var. macrostachyus is the main variety in Central America north into s. United States. |  (c) Sorrie, Bruce A. - CC-BY |