Keystone Hawthorn (Crataegus tanuphylla Sarg.)

↑Range - Expand

Legend	Color
Native or Not Present

This tentative map is based on our own research. It may have limited data on Canada and/or Mexico, and there is some subjectivity in our assignment of plants as introduced vs. expanded. Read more in this blog post.

Although this plant occurs somewhere in each of these regions, it may only occur in a small part of some or all of them.

Both USDA and BONAP, and numerous other sources, report this species as native to Ohio but we have not found any information about where in Ohio it occurs. Our range map may thus be incomplete.