Ключевые слова: america, animal, animals, antenna, antennae, arthropod, aster, asteraceae, biodiversity, biology, butterflies, butterfly, cirsium, close, colorful, compound, conservation, countryside, delicate, detail, drinking, eastern, eating, ecology, ecosystem, environment, environmental, eyes, fauna, feeding, field, flower, flowers, fragile, glaucus, insect, lepidoptera, maryland, meadow, nature, nectar, north, papilio, papilionidae, plant, plants, pollen, pollination, proboscis, purple, spear, spring, summer, swallowtail, thistle, tiger, vegetation, violet, vulgare, weed, weeds, wild, wildflower, wildlife, wing, wings, yellow, zoology,