Ribes name to the popular blackcurrant cordial Ribena. The genus also includes the group of ornamental plants collectively known as the flowering currants, for instance "R. sanguineum". There are restrictions on growing some "Ribes" species in some U.S. states, as they are the main alternate host for white pine blister rust. Blackfoot Indians used blackcurrant root "(Ribes hudsonianum)" for the treatment of kidney diseases and menstrual and menopausal problems. Cree Indians used the fruit of "Ribes glandulosum" as a fertility enhancer to assist women in becoming pregnant. Currants are used as food plants by the larvae of some Lepidoptera species. Ribes
Solanum nigrum species. Some of the major species within the "S. nigrum" complex are: "S. nigrum", "S. americanum", "S. douglasii", "S. opacum", "S. ptychanthum", "S.retroflexum", "S. sarrachoides", "S. scabrum", and "S. villosum". Solanine levels in "S. nigrum" can be toxic. Children have died from poisoning after eating unripe berries. However, the plant is rarely fatal, with ripe berries causing symptoms of mild abdominal pains, vomiting, and diarrhea. Poisoning symptoms are typically delayed for 6 to 12 hours after ingestion. Initial symptoms of toxicity include fever, sweating, vomiting, abdominal pain, diarrhea, confusion, and drowsiness. Death from ingesting large amounts of the plant results