Possumhaw aka Wild-Raisin (Viburnum nudum L. var. cassinoides) - USDA Illustration
Britton and A. Brown. 1913. Illustrated flora of the northern states
and Canada. Vol. 3
USDA, NRCS. 2024. The PLANTS Database (http://plants.usda.gov). National Plant Data Team, Greensboro, NC 27401-4901 USA.