The American cranberry bush, also known as highbush cranberry or Viburnum trilobum, has a number of synonyms that can be used to describe this popular plant. Some common synonyms include cranberry tree, water elderberry, wild cranberry, and guelder rose. These names reflect the plant's characteristic bright red berries that resemble traditional cranberries, as well as its association with elderberry trees and the guelder rose plant. The American cranberry bush is a favorite of gardeners and landscapers alike, thanks to its bright colors, hardy nature, and adaptability to many different climates. Whether you call it a cranberry tree or a guelder rose, this versatile plant is a great addition to any garden or landscape.