Achillea ptarmica (sneezewort)
Galium aparine (cleavers, clivers, catchweed, sticky willy)
Melissa officinalis (lemon balm)
Plantago maritima (sea plantain, seaside plantain)
Common yarrow, Achillea millefolium.
Any of several similar pungent Eurasian herbs, of the genus Achillea
Any plants of the genus Myriophyllum; water milfoil.