These include Ribes spicatum (northern Europe and northern Asia), Ribes alpinum (northern Europe), R. schlechtendalii (northeast Europe), R. multiflorum (southeast Europe), R. petraeum (southwest Europe) and R. triste (North America; Newfoundland to Alaska and southward in mountains).
The essential ingredients that justify the adjective are red summer berries such as redcurrant, blackcurrant, raspberries, strawberries, blackberries, bilberries and stoned black cherries.