| Crataegus erythropoda, Crataegus wattiana, Crataegus rivularis, Crataegus holmesiana|Crataegus saligna Wikipedia
Crataegus saligna is a species of hawthorn known by the common name willow hawthorn that is seldom cultivated and rather rare in the wild. Its native range is wet areas of western Colorado and northeastern Utah. It is a handsome shrub or small tree with delicate-looking leaves, small flowers, small black fruit, and beautiful reddish bark.
It is related to C. erythropoda and C. rivularis.