1) Nightshade 2) Prairie berry 3) Purple nightshade 4) Silver-leaved nettle 5) Silver-leaved nightshade 6) Silverleaf nightshade 7) Solanum elaeagnifolium 8) White horse nettle 
[n] - weedy nightshade with silvery foliage and violet or blue or white flowers
white horse nettle noun weedy nightshade with silvery foliage and violet or blue or white flowers; roundish berry widely used to curdle milk; central United States to South America