Classic texts: King's 1898.
Populus tremula
Populus tremula L.
Engl.: aspen, European aspen, quaking aspen.
Deu.: Zitter-Pappel, Espe.
Suom.: haapa, metsähaapa.
Sven.: asp, hängasp.
Fran.: peuplier tremble.
Poplar buds. Populus nigra, Populus balsamifera. Balsam poplar buds, Balm of Gilead buds.
Classic texts: USDisp 1918.
Salicylate herbs.
Henriette's herbal blog: Meadowsweet vs. poplar buds and salicylous tree barks.
Aspen.
Henriette's herbal blog: European aspen endangered in Germany? Like, wow.