If you’re planning on skinning your knee, this would be a good summer to do so as there are robust clumps of yarrow, whose leaflets can stop bleeding, along Wood River Valley hiking trails. Learn about this plant, as well as chokecherry, scarlet gilia, serviceberry and wyethia, or yellow mule’s ear, in today’s Eye on Sun Valley video featuring Lisa Horton, longtime member of the Wood River Chapter of the Idaho Native Plant Society.