Definition that contains eastern united states
- cockspur hawthorn eastern United States hawthorn with long straight thorns
- collinsia verna eastern United States plant with whorls of blue-and-white flowers
- thermopsis villosa eastern United States bush pea
- cockspur thorn eastern United States hawthorn with long straight thorns
- purple grackle eastern United States grackle
- crataegus crus-galli eastern United States hawthorn with long straight thorns
- quiscalus quiscula eastern United States grackle
- blue-eyed mary eastern United States plant with whorls of blue-and-white flowers
- carolina lupine eastern United States bush pea