Chelone glabra, also known as white turtlehead, is a herbaceous perennial native to North America. It has distinctive white, turtlehead-shaped flowers that bloom in late summer and early fall. While "Chelone glabra" is the scientific name, there are many common names for this plant, including white turtlehead, snakehead, shellflower, balmony, bitter herb, fish mouth, and salt-rheum weed. These synonyms are used depending on the region and the use of the plant. It is valued for its medicinal properties, particularly for its effect on digestion and liver function. The plant has also been used for decorative purposes and is attractive to pollinators like bees and butterflies.