Wireweed

Wireweed may refer to several organisms, including:


 * Amphibolis, a genus of marine flowering plants in the family Cymodoceaceae
 * Polygonella, a genus of flowering plants in the knotweed and smartweed family, Polygonaceae.
 * Rigiopappus leptocladus, a species of flowering plant in the daisy family, Asteraceae.
 * Sargassum muticum, also known as the Japanese wireweed, is a large brown seaweed of the genus Sargassum.
 * Sida (plant), a genus of flowering herbs and subshrubs in the mallow family, Malvaceae.