American Black Nightshade, Small-flowered Nightshade: Solanum americanum (Synonyms: Solanum americanum var. nodiflorum, Solanum americanum var. patulum, Solanum caribaeum, Solanum fistulosum, Solanum hermannii, Solanum linnaeanum, Solanum nigrum var. americanum, Solanum nigrum var. virginicum, Solanum nigrum var. virginicum, Solanum nodiflorum, Solanum sodomeum) -
Bittersweet, Bittersweet Nightshade, Climbing Nightshade, Felonwort: Solanum dulcamara (Synonym: Solanum dulcamara var. dulcamara) -
Black Nightshade, European Black Nightshade, Garden Nightshade: Solanum nigrum (Synonyms: Solanum nigrum var. nigrum, Solanum rubrum) -
Ground-cherry Nightshade, Hairy Nightshade, Hoe Nightshade: Solanum physalifolium (Synonyms: Solanum physalifolium var. nitidibaccatum, Solanum sarrachoides, Solanum villosum) -
Cutleaf Nightshade, Cut-leaf Nightshade, Cut-leaved Nightshade: Solanum triflorum -