The American pickerels are two subspecies of Esox americanus, a species of freshwater fish in the pike family (family Esocidae) of order Esociformes: the redfin pickerel, E. americanus americanus Gmelin, 1789, and the grass pickerel, E. americanus vermiculatus Lesueur, 1846.
Americanus, a Latin adjective meaning American, may refer to.
Erinus is a genus of flowering plants in the family Plantaginaceae (previously in the family Scrophulariaceae), native to stony mountainous sites in North Africa and southern Europe.
Eucosmodon is a genus of extinct mammal from the Paleocene of North America.
Euonymus americanus is a species of flowering plant in the family Celastraceae.
Eupeodes americanus, the American hoverfly, is found throughout North America and inhabits meadows, and fields with flowers and foliage.