Salix alba – White willow; Salix purpurea – Purple willow, purple osier; Salicaceae – Willow family. The part used in medicine is the willow bark – Salicis cortex.
Tilia - Linden; Tiliaceae family. The raw material is the linden flower head.
Sambucos nigra L. – Elder (Black elder) Caprifoliaceae – Honeysuckle family