Article by Albert DugalA Key to the Viburnums of the Ottawa District
Botany Division, Canadian Museum of Nature
Trail & Landscape 1988; 22(4): 156-161

$2 (see ordering information and mailing costs)

“In the Ottawa District, the Viburnums occupy a wide range of habitats…. It is almost impossible to avoid an encounter with at least one species of Viburnum on an outing, especially in the spring and fall when their flowers andfruit are conspicuous.”

This short 5-page key is generously illustrated, includes brief species descriptions, and “provides a slightly different approach to Viburnum identification.”