Crataegus heterophylla, known as the various-leaved hawthorn, is of uncertain origin. Its original native range is not known, possibly it was the Caucasus of Western Asia. Suggestions that it originat

Crataegus azarolus is a species of hawthorn known by the common names azarole, azerole and Mediterranean medlar. It is native to the Mediterranean Basin and is a common plant there, growing on sites c