rattlesnake master eryngium yuccifolium

america angiosperm angiospermae apiaceae attractive background ballshaped beautiful beautifully beauty bed bees bloom botanical botany butterflies button close closeup eryngium eryngo field flora floral flowers foliage for garden gardening grass green herb highly long master meadow medicine native natural nature outdoor park perennial plain plant prairie rattlesnake restoration root savanna season snake strap summer thistle unusual white wild wildflower wildlife wisconsin yuccifolium