| Euphorbiaceae | |
Euphorbia hirta var. destituta
| L.C. Wheeler | Contr. Gray Herb. 127: 70, t. IVC, f. 1 | 1939 |
| Euphorbiaceae | |
Euphorbia hirta var. glaberrima
| Koidz. | Bot. Mag. (Tokyo) 33(389): 118 | 1919 |
| Euphorbiaceae | |
Euphorbia hirta var. hirta
| | | |
| Euphorbiaceae | |
Euphorbia hirta var. nocens
| L.C. Wheeler | Contr. Gray Herb. 127: 70 | 1939 |
| Euphorbiaceae | |
Euphorbia hirta var. ophthalmica
| (Pers.) Allem & Irgang | Fl. Il. Rio Grande do Sul 11: 63 | 1975 |
| Euphorbiaceae | |
Euphorbia hirta var. procumbens
| (Boiss.) N.E. Br. | Fl. Trop. Afr. 6(1[3]): 497 | 1911 |
| Euphorbiaceae | ** |
Euphorbia hirta var. typica
| L.C. Wheeler | Contr. Gray Herb. 127: 68 | 1939 |
| Euphorbiaceae | ** |
Euphorbia hirta var. typica
| L.C. Wheeler | Rhodora 43: 170 | 1941 |