Sisymbrium altissimum (Tall Tumblemustard) is a species of annual herb in the family crucifers. They are associated with freshwater habitat. They are native to Western North America and South America. Flowers are visited by Pale Crescent, Hylaeus rudbeckiae, Halictus ligatus, and Small Wood Nymph.
EOL has data for 18 attributes, including: