Crataegus reverchonii var. palmeri
Novon 16: 386. 2006.
Shrubs, 80 dm. Short-shoot leaf-blades 4–6 cm, usually drying dark. Inflorescences usually glabrous. Flowers 10–12 mm diam.; styles (2 or) 3.
Phenology: Flowering Apr; fruiting Sep–Oct.
Elevation: 10–200 m
Ark., Del., Kans., Mo., Tenn.
Variety palmeri ranges from the Ozark region to Delaware. Crataegus pennypackeri Sargent from Delaware, sometimes treated as distinct, is perhaps no more than a form of C. canbyi.