Robinson, Robert G.2012-12-192012-12-191983https://hdl.handle.net/11299/1414424 pagesComfrey is an uncommon crop that had great potential for food production in city dooryards and as a forage crop. However, discovery of a potential toxicity problem terminated, at least temporarily, its further development as a food crop. This publication summarizes current information on comfrey and reports research data not available elsewhere.en-USComfreyReport