Alnus
Alnus P. Mill.
Engl.: alder.
Deu.: Erle.
Suom.: leppä.
Sven.: al.
Materia Medica of the New Mexican Pharmacopoeia. Part 2.
Classic texts: Journals: AJP 1885.
Alnus cones vs. tormentil root.
Henriette's herbal blog: Tormentil is strange, but so is alder.