Description, cultivation, and uses of the perennial herb Hydrastis canadensis, native to the northern and eastern forested regions of North America.

Illustrated description, including information about habitat and range.

Discusses the commercial demand for Hydrastis canadensis and its potential effects on the survival of the species.

Photo, description, and information about medicinal uses.

Botanical description, habitat, endangered species status, cultivation, history of its medicinal use and cultivation, and information about medicinal properties.

Photo, botanical description, and medicinal properties of the herb commonly known as goldenseal, ground raspberry or orange root.

Descriptions and photos of the plant, with information about its potential toxicity.