Take a microcosmic safari through a field of milkweed and discover a whole world of life, from bees to wasps to hummingbirds to butterflies. The charismatic Monarch butterfly is completely dependent on milkweed for its survival, and places like Yosemite National Park offer protection for this often overlooked plant. For an audio described version of this video, go to https://youtu.be/bxLJ3h8Hn-A. Asclepias speciosa with a Queen Monarch. Photo used with permission.