Solanum | Empetrum nigrum | Solanum dulcamara | Solanum carolinense | Verbascum nigrum | Veratrum nigrum | Solanum viarum | Solanum sisymbriifolium | Solanum rostratum | Solanum laxum | Solanum americanum | Mined and discoloured leaves of ''Solanum dulcamara | Idiosoma nigrum | ''A. adiantum-nigrum'' | Allium nigrum |
These weed species include Solanum nigrum (nightshade), S. aculeatissimum (soda apple), Chenopodium album (pigweed), Datura stramonium (jimson weed), Linaria canadensis (blue toadflax), and Physalis spp.