Stoneroot, also known as Collinsonia Canadensis, is a herbal plant native to North America with medicinal properties. There are different synonyms for stoneroot, all of which are based on the plant's physical characteristics or healing properties. Some of the synonyms include richweed, horse balm, hardhack, heal-all, ox balm, and knob root. Richweed comes from the plant's resilient growth habits; horse balm comes from the traditional use of the plant to treat horses' injuries. Hardhack comes from the plant's hard, woody stems, while heal-all is based on its reported effectiveness in treating various ailments. Ox balm and knob root come from the plant's bulbous root structure. Whatever synonym is used, stoneroot is a valuable plant with many uses in traditional medicine.