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Poisonous Plants of North Carolina: Hydrastis canadensis - http://www.ces.ncsu.edu/depts/hort/consumer/poison/Hydraca.htm
Descriptions and photos of the plant, with information about its potential toxicity. |
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Goldenseal - Hydrastis canadensis L. - http://www.hort.purdue.edu/newcrop/herbhunters/goldenseal.html
Illustrated description, including information about habitat and range. |
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Goldenseal: Hydrastis canadensis - http://b-and-t-world-seeds.com/goldroot.htm
Botanical description, habitat, endangered species status, cultivation, history of its medicinal use and cultivation, and information about medicinal properties. |
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Goldenseal's Future - http://www.herbphoto.com/education/monograph/goldenseal.html
Discusses the commercial demand for Hydrastis canadensis and its potential effects on the survival of the species. |
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Goldenseal - http://www.hort.purdue.edu/newcrop/med-aro/factsheets/GOLDENSEAL.html
Description, cultivation, and uses of the perennial herb Hydrastis canadensis, native to the northern and eastern forested regions of North America. |