books.google.co.uk - This long-awaited English edition of the famous "Mansfeld" gives a full account of all agricultural and horticultural plants, other than ornamentals, grown throughout the world presently or in the past. More than 6040 species are covered, including food crops, forage, oil, fibre, spice, medicinal, industrial...http://books.google.co.uk/books/about/Mansfeld_s_Encyclopedia_of_Agricultural.html?id=10IMFSavIMsC&utm_source=gb-gplus-shareMansfeld's Encyclopedia of Agricultural and Horticultural Crops
