wild basil
Clinopodium vulgare
Lamiaceae
scattered distribution throughout the US and Canada, but solidly in the Northeast, Mid-Atltantic, and upper Midwest

New Jersey tea
Ceanothus americanus
Rhamnaceae
throughout the eastern US and Canada into the Great Plains
threatened in Maine

purple-flowering raspberry
Rubus odoratus
Rosaceae
found through most of the eastern US and Canada except some parts of the deep South
endangered in Illinois, threatened in Indiana

wintergreen
aka eastern teaberry, checkerberry
Gaultheria procumbens
Ericaceae
found throughout the eastern US and Canada, excluding Florida
supposedly Clark’s Teaberry Gum was named for this plant, though I couldn’t determine if any part of Gaultheria procumbens was ever used in manufacturing the stuff.  When I was a child Teaberry was my favorite.