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 achene. Flowers are visited by Old World Swallowtail. Individuals can grow to 0.23 m.
EOL has data for 23 attributes, including: