fleawort

any of various plants of the genus Senecio , esp S. integrifolius , a European species with yellow daisy-like flowers and rosettes of downy leaves: family Asteraceae (composites)

a Eurasian plantain, Plantago psyllium (or P. indica ), whose seeds resemble fleas and were formerly used as a flea repellent

another name for ploughman's spikenard