Tamarack - Larix laricina - also Eastern Larch
Tamarisk - Tamarix ramosissima (syn. Tamarix pentandra)
Viburnum, American Cranberrybush - Viburnum trilobum - also Highbush Cranberry
Viburnum, European Cranberrybush - Viburnum opulus
Viburnum, Rafinesque - Viburnum rafinesquianum - also Downy Arrowwood 
Viburnum, Sweet - Viburnum lentago - also Nannyberry
Viburnum, Wayfaringtree - Viburnum lantana
Walnut, Black - Juglans nigra
Willow, Blue Fox - Salix brachycarpa cv Blue Fox
Willow, Coyote - Salix exigua
Willow, Laurel - Salix pentandra
Willow, Polar Bear - Salix silicicola cv Polar Bear 
Willow, Prairie Cascade - Salix hybrid cv Prairie Cascade
Willow, Purpleosier - Salix purpurea
Willow, Sharpleaf - Salix acutifolia
Willow, White - Salix alba
Woadwaxen, Common - Genista tinctoria
Wolf Willow - Elaeagnus commutata - also Common Silverberry
Yew, Anglojap - Taxus x media cv Hicksii 
Yew, Canada - Taxus canadensis - also Ground Hemlock