| Argemone L., 1753 |
| Argemone aenea G.B. Ownbey, 1958 |
| Argemone alba F. Lestib., 1799 |
| Argemone albiflora Hornem., 1815 |
| Argemone arida Rose, 1903 |
| Argemone barclayana Penny ex Loudon, 1830 |
| Argemone chisosensis G.B. Ownbey, 1958 |
| Argemone echinata Ownbey, 1958 |
| Argemone fruticosa Thurb. ex A. Gray, 1854 |
| Argemone gracilenta Greene, 1898 |
| Argemone grandiflora Sweet, 1828 |
| Argemone grandiflora subsp. armata Ownbey, 1958 |
| Argemone grandiflora subsp. grandiflora Sweet, 1828 |
| Argemone intermedia Sweet, 1830 |
| Argemone mexicana L., 1753 |
| Argemone mexicana subsp. ochroleuca (Sweet) Schwarzb., 2015 |
| Argemone mexicana var. ochroleuca (Sweet) Lindl., 1830 |
| Argemone mexicana var. typica Prain, 1895 |
| Argemone mucronata Dum. Cours. Ex Steud., 1840 |
| Argemone munita Durand & Hilg., 1854 |