| Author | L. | |
| Distribution | Known from two counties: Orange County, weed in UNC greenhouse in 1932; New Hanover County, sandy roadside at Wrightsville Beach in 1961.
Native of Mexico and W.I.; in N.A. adventive or introduced to southern GA to south FL and south TX; scattered north to MA, MI, NE. | |
| Abundance | Very rare. | |
| Habitat | Roadside on barrier island, weed in greenhouse. | |
| Phenology | Flowering April-May. | |
| Identification | Mexican Prickly-poppy has sessile, large, irregularly lobed leaves that are prickly along the margins; thus resembling some thistles. Flowers are 2.5-3 inches across, yellow. | |
| Taxonomic Comments | | |
| Other Common Name(s) | | |
| State Rank | SE | |
| Global Rank | G5 | |
| State Status | | |
| US Status | | |
| USACE-agcp | | |
| USACE-emp | | |
