Parthenocissus genus -- grape family
woodbine (Parthenocissus inserta) -- in June -- Well Gulch Nature Trail, Lory State Park, CO green & brown
woodbine (Parthenocissus inserta) -- in May -- Kingfisher Point, Fort Collins Natural Area, Larimer County, CO
Virginia creeper (Parthenocissus quinquefolia) -- in September -- Boulder open space, CO white & cream
Virginia creeper (Parthenocissus quinquefolia) -- in September -- Greyrock Trail, Poudre Canyon, Larimer County, CO