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
Idiosoma nigrum Idiosoma nigrum Idiosoma nigrum, also called Black rugose trapdoor spider, occurs only in south-western Australia, in dry woodlands east of the Darling Scarp and north to Moore River. Females can reach a length of about 30mm, males about 18mm. "I. nigrum" digs burrows up to 32 cm deep. The species name is derived from Latin "Niger" "black". The Black Rugose Trapdoor Spider is adapted for life in semi-arid habitats. They live in burrows up to 32 cm deep. These spiders construct an arrangement of leaves and twigs radiating out from the burrow entrance to serve as remote sensing device -