Valeriana_dioica
Valeriana dioica
Species of plant in the genus Valeriana
Valeriana dioica, the marsh valerian, is a species of flowering plant in the family Caprifoliaceae, native to North America, Europe and Anatolia.[2] It is typically found in calcareous fens.[3] It is a dioecious species, with male and female flowers on separate individuals, and it is pollinated by small flies.[4]