Valeriana dioica (Marsh Valerian) is a species of perennial herb in the family Caprifoliaceae. They have a self-supporting growth form. They are native to The Contiguous United States and Canada. They have simple, broad leaves and achenes. Flowers are visited by green-veined white, Syrphus vitripennis, Pollenia amentaria, and Old World Swallowtail. Individuals can grow to 0.23 m.
EOL has data for 24 attributes, including: