The book ""The Species of Rumex Occurring North of Mexico"" by William Trelease is a comprehensive guide to the various species of Rumex found in North America. Rumex is a genus of plants commonly known as docks or sorrels, which are widely distributed throughout the world. This book focuses specifically on the species of Rumex that can be found in North America, including Canada, the United States, and Mexico.The book provides detailed descriptions...