There are many types of hawthorns.  Some of the more common species have tree shapes and locations:

flat top;       USA Midwest
dotted hawthorn  Crataegus punctata

flat-ish top;  USA Midwest
cockspur hawthorn  Crataegus crus-galli

hemispherical;  USA Midwest
downy hawthorn  Crataegus mollis

small-ish;          USA Midwest
thicket hawthorn  Crataegus intricata

tall thin;            USA Midwest and East
Washington hawthorn  Crataegus phaenopyrum

Learn more about hawthorn genus Crataegus (Crataegus spp.)

Part of rose  family Rosaceae.

Uses by native peoples
(Ethnobotany database)
  Crataegus hosts caterpillars of 160 species
of butterflies and moths, in some areas.

Discover Life Encyclopedia of Life Google Google images Michigan Flora USDA PLANTS db Wikipedia