Cypress spurge is a perennial garden ornamental that has escaped to natural areas and rangeland. When ingested the milky latex sap blisters the digestive tract in horses and cattle. Animals forced to walk through thick infestations can suffer from chemical burns and hair loss on legs. Rubber gloves should be used when handling this plant. It is on the Colorado noxious weed A list and scheduled for eradication in Colorado and La Plata County.