Angiosperms, Animalia, Apocynaceae, Arthoropoda, Asclepiadoideae, Asclepias, Asclepias incanata, Asteroids, Endicots, Eudicots, Gentianales, Hesperia sassacus, Hesperia skippers, Indian skipper, Insecta, Lepidoptera, North America, Plantae, USA, Wisconsin, butterfly, feeding on milkweed, flowering, flowers, herbaceous, inflorescense, insect, lance-shaped, mauve, milk weed, milkweed, natural, nature, north american, perennial, pink, plant, plantlife, rose milkweed, sipping nectar, skipper, summer, swamp, swamp milkweed, swamp silkweed, umbels, wetland, white Indian hemp, wild, wild flower, wildflower