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The Encyclopedia of Herbs

a Comprehensive Reference to Herbs of Flavor and Fragrance
Apr 04, 201022950009541673 rated this title 5 out of 5 stars
Comprehensive. Includes Generally Recognized As Safe (GRAS) status, and indicates if some part of the plant is toxic, even when the parts usually used are not. What I found really interesting is that different plants in the same family have different chemistry.