Anacyclus pyrethrum is perennial plant herb much alike chamomile in habitat and appearance. It is unrelated to the plants known as pellitory-of-the-wall and spreading pellitory .... or pellitory, a plant containing an oil once used for toothaches and facial neuralgia
Achillea ptarmica or European pellitory, bastard pellitory, or wild pellitory
Parietaria officinalis , also known as Lichwort or Hammerwort, is a plant of the Urticaceae family. Its leaves, however, are non-stinging.... or Pellitory-of-the-Wall
Parietaria judaica is a species in the family Urticaceae, commonly nicknamed sticky-weed. In Australia it is also known as asthma weed, due to the high incidence of allergy to its pollen.... or spreading pellitory
'Pyrethrum' refers to several Old World plants of the genus Chrysanthemum which are cultivated as ornamentals for their showy flower heads. It is also the name of a natural insecticide made from the dried flower heads of C.... plant genus Chrysanthemum
