Magness—J.R., G.M. Markle, C.C. Compton. 1971. Food and feed crops of the United States.
Promoting the conservation and use of underutilized and neglected crops. 15.
Black nightshades: Solanum nigrum L. and related species
Jennifer M. Edmonds and James A. Chweya
1997. 112 pages. 17x24 Softcover. ISBN 92-9043-321-3
Black nightshade—Indiana Toxic Plant Indices, Purdue University
Nightshade, Black—Grieve's Herbal
Black nightshades—by Jennifer M. Edmonds, James A. Chweya from the International Plant Genetic Resources Institute