Taenidia integerrima - Yellow pimpernel
Thalictrum dasycarpum - Purple meadow-rue
Tradescantia ohiensis - Ohio spiderwort
Trillium grandiflorum - Large flowered trillium
Triosteum aurantiacum - Tinker's weed
Triosteum perfoliatum - Tinker's weed
Urtica dioica - Stinging nettle
Uvularia grandiflora - Bellwort
Verbena hastata - Blue vervain
Verbena stricta - Hoary vervain
Verbena urticifolia - White vervain
Vernonia fasciculata - Ironweed
Veronicastrum virginicum - Culver's root
Viola pedata - Birds foot violet
Viola pedatifida - Prairie violet
Viola sororia - Wood violet
Zizia aurea - Golden alexander
