Hog Island has an abundance of Canada yew.

The cliffs harbor such rare plants as Canada yew and sullivantia (family Saxifragaceae), an Illinois state-threatened species.

The beech-maple forest harbors a few tree species that are more common in cooler climates: yellow birch, Canadian Hemlock and Canada yew are common there.

On the sandstone cliffs of Starved Rock State Park white pine, Canada yew and northern white cedar are found, these plants are more commonly found further north.

The Canada yew is a special evergreen shrub that was once so common in the area, that nearby Yew Creek and Yew Mountains are named after it.

The more common Canada yew, Taxus canadensis, is also being successfully harvested in northern Ontario, Québec and New Brunswick, and has become another major source of paclitaxel.

Bat Cave and Cascade Caverns State Nature Preserves were dedicated for the protection of the Indiana bat, mountain maple, and Canada yew, all endangered species.

"The vegetative community on algific talus slopes is different than the surrounding forest and typically contains ferns, mosses, liverworts, evergreen species such as Canada yew and balsam fir, birch, basswood, and sugar maple, and boreal disjunct herbs and ferns."

It is home to many plants, such as Canadian Yew, which are far from their main range.

Canadian yew, bigleaf magnolia, and many others are here.

This may have been due to the large amount of Canadian Yew, an evergreen shrub, which grew in abundance there.

Canadian yew (Taxus canadensis)

Taxus canadensis (Canadian Yew) is a conifer native to central and eastern North America, thriving in swampy woods, ravines, riverbanks and on lake shores.

The Cascade Caverns preserve was dedicated on December 16, 1981, to protect two rare plant species, the Mountain maple (Acer spicatum) and the Canadian yew (Taxus canadensis).

Taxus canadensis (N)

Canadian yew (Taxus canadensis)

The more common Canada yew, Taxus canadensis, is also being successfully harvested in northern Ontario, Québec and New Brunswick, and has become another major source of paclitaxel.

The Cascade Caverns preserve was dedicated on December 16, 1981, to protect two rare plant species, the Mountain maple (Acer spicatum) and the Canadian yew (Taxus canadensis).