Salix alba – White willow; Salix purpurea – Purple willow, purple osier; Salicaceae – Willow family. The part used in medicine is the willow bark – Salicis cortex.
Tanacetum parthenium (L.) – Feverfew; Asteraceae – Aster family. The pharmaceutical ingredient is Tanaceti parthenii herba, meaning the feverfew herb.
Calluna valgaeis - Common heather, ling; Ericaceae – Heather family. The parts used in medicine include the heather flower and the heather herb.
PL