Forest Invasive Alien Species

Tree found in the mountains of interior British Columbia and in adjacent parts of Alberta; twigs somewhat hairy

Pacific Coast tree; flattened needles

Tree found all across Canada; needles dull grayish-green; crown cylindrical and narrow

Common tree in the Maritime provinces and southward into the Appalachian Mountains of the United States; present but less frequent in south-central Ontario and north of the St. Lawrence River in Quebec. Needles shiny yellowish-green; crown broadly conical

Tree found in all forested regions of Canada, except on the Pacific Coast; twigs hairless; inner bark salmon pink