| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Rosaceae | Crataegus crus-galli var. crus-galli | Cockspur Hawthorn | Pastures, thickets, disturbed woodlands and forests, fencerows. | Ranges throughout the eastern US, except c. and s. peninsular Florida, sometimes forming extensive colonies. |  (c) Ware, Richard & Teresa - CC-BY-NC, permission granted to NCBG |
| Rosaceae | Crataegus crus-galli var. pyracanthifolia | Narrowleaf Cockspur Hawthorn | Bottomland forests, swamp borders, lowlands, sometimes locally abundant. | Delaware south to n. Florida, west to Missouri, e. Texas. |  (c) Lance, Ron |