Crataegus punctata Jacq.
Family: Rosaceae
dotted haw, dotted hawthorn, white haw
[Crataegus limatula Sarg.,  more...]
Crataegus punctata image
from USDA Plants website  
Crataegus punctata image
University of Wisconsin - Madison (WIS-VP)  
Etymology: Crataegus: Greek cratos for "strength" because of the hardness of the wood
Plants: perennial shrub