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 varieties and forms described. The recognized subspecies are: 1. "S. nigrum" L. subsp. "nigrum" — glabrous to slightly hairy with appressed non-glandular hairs 2. "S. nigrum" L. subsp. "schultesii" (Opiz) Wessley — densely hairy with patent, glandular hairs The Solanum nigrum" complex — also known as Solanum" L. section "Solanum" — is the group of black nightshade species characterized by their lack of prickles and stellate hairs, their white flowers, and their green or black fruits arranged in an umbelliform fashion. The "Solanum" species in this group can be taxonomically confused, more so by intermediate forms and hybridization between the