https://www.pollenlibrary.com/Local/Specie/Salix+scouleriana/in/Marinette%20County/WI/
Scouler's Willow (Salix scouleriana) Species Details and Allergy Info, Marinette county, Wisconsin
Salix scouleriana Research Information. Scouler's Willow allergy information and photos, Marinette county, Wisconsin
salix scoulerianamarinette countywillowspeciesdetails