Echtrus mexicanus (L.) Nieuwl. in Amer. Midl. Naturalist 3: 350. 1914
Echtrus mexicanus in Amer. Midl. Naturalist 3: 350. 1914
is new combination for Argemone mexicana, Sp. Pl.: 508. 1753
Echtrus mexicanus in Amer. Midl. Naturalist 3: 350. 1914
Taxon for this name