Gamochaeta coarctata, the gray everlasting (also known as cudweed, like other members of its genus), is a species of flowering plant in the family Asteraceae. It is widespread in South America (from Colombia to Uruguay) and naturalized in parts of Eurasia, Australia, and North America.Guy L. Nesom 2004. New distribution records for Gamochaeta (Asteraceae: Gnaphalieae) in the United States. Sida 21(2): 1175–1185.Biota of North America Program 2014 county distribution mapCalflora taxon report, University of California, Gamochaeta coarctata
Gamochaeta coarctata is an annual herb up to tall. Leaves are up to long. The plant forms many small flower heads in elongated arrays. Each head contains 2–4 yellow disc flowers but no ray flowers.Flora of North America, Gamochaeta stachydifolia (Lamarck) Cabrera, 1961.
Some specimens collected in the United States were formerly misidentified as G. americana, which does not grow in the United States.Guy L. Nesom 1990. The taxonomic status of Gamochaeta (Asteraceae: Inuleae) and the species of the United States. Phytologia 68:186–198.
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External links photo of herbarium specimen at Missouri Botanical Garden, collected in Peru in 1973