Viburnum opulus var. americanum

The European variety (Viburnum opulus var opulus) is very, very similar. The differences are more hairy leaves, smaller glands & wider groove on the petiole (var americana). Best to ask an expert or search for detailed keys/photos. See https://landscapeplants.oregonstate.edu/viburnum-opulus-var-opulus-and-viburnum-opulus-var-americanum for contrasts.