a chickadee, Parus carolinensis, of the southeastern U.S., resembling but smaller than the black-capped chickadee.
a vine, Gelsemium sempervirens, of the southern U.S. and Central America, of the logania family, having glossy, lance-shaped leaves and fragrant yellow flowers: the state flower of South Carolina.
a bulbous lily, Lilium michauxii, of the southeastern U.S., having large, spotted, orange-red flowers with recurved petals.
a twining woody vine, Cocculus carolinus, of the southeastern U.S., having inconspicuous flowers and showy, red fruit.
an extinct New World parakeet, Conuropsis carolinensis, that ranged into the northern U.S., having yellowish-green plumage with an orange-yellow head.