In early September I did a Boundary Waters canoe trip with a couple of friends – great time with them, and great to get back after several years of absence.  One of the plants I photographed was a large shrub with white berries.  I hadn’t been able to identify it until recently, when I was browsing my copy of Idaho Mountain Wildflowers – A. Scott Earle and saw those white berries in a photo.  Slapped my forehead – Dogwood!  Red-osier Dogwood has WHITE berries!  A bit more research on what Cornus species were found in Minnesota ensured that this was Cornus sericea.  I like reducing that list of “Unidentified” in my photo catalog.

Red-osier Dogwood (Western Dogwood, American Dogwood) Berries