Black Haw or Blackhaw [Viburnum prunifolium] is a member of the Honeysuckle (Caprifoliaceae) family and was found off Campbell Road, Trout Lake on 29 June 2013. Newcomb’s Wildflower Guide, pages 302-303, says it blooms in spring and early summer in thickets and borders.
USDA Plants Listing: Viburnum prunifolium