Name: American cancer-root
Distribution: Canada (Manitoba, Nova Scotia, Ontario, Québec); USA (Alabama, Connecticut, District of Columbia, Delaware, Florida, Georgia, Iowa, Illinois, Indiana, Kentucky, Massachusetts, Maryland, Maine, Michigan, Mississippi, North Carolina, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, South Carolina, Tennessee, Virginia, Vermont, Wisconsin, West Virginia)
71 CDN 72 CDN 74 USA 75 USA 78 USA
Synonyms: hidden
= Orobanche americana L.; Mant. Pl. 1: 88 (1767)