hoary plantain: widely distributed Old World perennial naturalized in North America having finely hairy leaves and inconspicuous white fragrant flowers
plantain: any of numerous plants of the genus Plantago; mostly small roadside or dooryard weeds with elliptic leaves and small spikes of very small flowers; seeds of some used medicinally
bleach: the act of whitening something by bleaching it (exposing it to sunlight or using a chemical bleaching agent)