Parsley Hawthorn – Crataegus marshallii
Washington Hawthorn – Crataegus phaenopyrum

References and Additional Information

Parsley Hawthorn
[1]  UGA Extension: Native Plants for Georgia Part I: Trees, Shrubs and Woody Vines (B 987) – Parsley Hawthorn
[2]  Lady Bird Johnson Wildflower Center: Crataegus marshallii

Washington Hawthorn
[3]  UGA Extension: Native Plants for Georgia Part I: Trees, Shrubs and Woody Vines (B 987) – Washington Hawthorn
[4]  Lady Bird Johnson Wildflower Center: Crataegus phaenopyrum
[5]  Missouri Botanical Garden: Crataegus phaenopyrum