Wild flower species include bloodroot, wild geranium, spring beauties and trillium. Sanguinaria canadensis, bloodroot, is a perennial, herbaceous flowering plant native to eastern North America. In Colonial America, sanguinarine from bloodroot was used as a wart remedy. Salves, most notably black salve, derived from bloodroot do not remove tumors. Commercial uses of sanguinarine and bloodroot extract include dental hygiene products. These include skunk cabbage, bloodroot, sensitive fern, sedge, wood anemone, woolgrass, and others. Puccoon or bloodroot ("Sanguinaria canadensis") is a popular red dye among Southeastern Native American basketweavers. Medicines included those made from high bush cranberries, oil of wintergreen and bloodroot. In bloodroot, the juice is red and poisonous. Other plant life found at the park include bloodroot, wild ginger, and American lotus. She uses both synthetic and natural dyes, such as bloodroot, blackberries, and wolf moss. An overdose of bloodroot extract can cause vomiting and loss of consciousness. The related plant bloodroot has similar chemical composition and uses as greater celandine. Bloodroot and its extracts are thus considered escharotic. Greene's first novel, "Bloodroot", was published in 2010.