Non-native Plant
Wirevine

Muehlenbeckia hastatula

perennial

vine

Non-native Plant
Wisconsin Weeping Willow

Salix ×pendulina

perennial

shrub

Non-native Plant
Wisteria

Wisteria ×formosa

perennial

vine

Non-native Plant
Wisteria

Wisteria

perennial

vine

Non-native Plant
Wombat Berry

Eustrephus latifolius

perennial

vine

Non-native Plant
Wondering Cowpea

Vigna speciosa

perennial

vine

Non-native Plant
Woodland Passionflower

Passiflora morifolia

perennial

vine

Non-native Plant
Woollyjoint Pricklypear

Opuntia tomentosa

perennial

shrub

Non-native Plant
Wright’s Catkin Mistletoe

Antidaphne wrightii

perennial

shrub

Non-native Plant
Wright’s Morning-glory

Ipomoea wrightii

annual

vine

Non-native Plant
Wright’s Viburnum

Viburnum wrightii

perennial

shrub

Non-native Plant
Yam Bean

Pachyrhizus erosus

perennial

vine

Non-native Plant
Yellow Guinea Yam

Dioscorea cayenensis

perennial

vine

Non-native Plant
Yellow Pea

Lathyrus aphaca

annual

vine

Non-native Plant
Yellow Spring Bedstraw

Galium verum

perennial

vine

Non-native Plant
Yellow Spring Bedstraw

Galium verum var. verum

perennial

vine

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