Yam, wild Dioscorea villosa Yam
Yarrow/Milfoil Achillea millefolia E Miscellaneous
Yellow bolbitus (see Yellow fieldcap)
Yellow Caesar Amanita caesarea/Amanita jacksonii Gilled Mushrooms
Yellow cow pat toadstool (see Yellow fieldcap)
Yellow fieldcap Bolbitus titubans Gilled Mushrooms
Yew, English Taxus baccata Yew
Yucca Yucca filamentosa Lily
Dioscorea villosa
Taxus baccata