Classic texts: Rafinesque 1830.
Alnus incana
Alnus incana (L.) Moench.
Engl.: grey alder, gray alder.
Deu.: Grau-Erle, Weiss-Erle.
Suom.: harmaaleppä.
Sven.: gråal, arre, vanlig gråal, vital.
Bot. syn.: Alnus glauca F. Michx., Alnus kolaensis N. I. Orlova, Alnus rugosa (Du Roi) Spreng., Alnus tenuifolia Nutt., Alnus x purpusii Callier.
Alder leaf? Yum!
Henriette's herbal blog: It's entirely possible that I've finally found a local substitute for licorice.
Alnus cones vs. tormentil root.
Henriette's herbal blog: Tormentil is strange, but so is alder.