- prairie smoke, purple avens, Geum triflorum - North American perennial with hairy basal pinnate leaves and purple flowers and plume-tipped fruits
--1 is a kind of avens
- water avens, Indian chocolate, purple avens, chocolate root, Geum rivale - erect perennial of north temperate zone having pinnate leaves and few nodding flowers with brown-purple calyx and orange-pink petals
--2 is a kind of avens