Life … Animals Arthropods Insects Butterflies and Moths Swallowtail and Birdwing Butterflies Common Swallowtails Helen and Mormon Swallowtails Great Mormon Swallowtail species 2,061 observations Great Mormon Swallowtail Papilio memnon Field notes Supported by All 3 native plantssupport it in the US Nectar plants Plants whose flowers it visits Yellow Trumpet Flower, Blue Porterweed, White Beggarticks 3 Close