• Thermopsis macrophylla
• Trichostema lanceolatum
• Trientalis latifolia
• Trillium chloropetalum
• Triphysaria eriantha ssp. eriantha
• Triteleia hyacinthina
• Triteleia laxa
• Viola ocellata
• Viola pedunculata
• Viola purpurua ssp. quercetorum
• Wyethia glabra
• Zigadenus fremontii