''Gamochaeta ustulata'', commonly named featherweed or Pacific cudweed, is a North American species of flowering plant in the family Asteraceae. It is native to the western United States and southwestern Canada, in British Columbia, Washington, Oregon, and California. It is found primarily on seaside hills and in the

Coast Ranges The Pacific Coast Ranges (officially gazetted as the Pacific Mountain System in the United States) are the series of mountain ranges that stretch along the West Coast of North America from Alaska south to Northern and Central Mexico. Although the ...

, with additional populations inland.Guy L. Nesom 2004. New distribution records for ''Gamochaeta'' (Asteraceae: Gnaphalieae) in the United States. Sida 21(2): 1175–1185.
/ref>Calflora taxon report, University of California, ''Gamochaeta ustulata'' (Nutt.) Nesom, featherweed
/ref> ''Gamochaeta ustulata'' is an annual or perennial herb up to tall. Leaves are up to long, green on the top but appearing white on the underside because of many woolly hairs. The plant forms many small flower heads in elongated arrays. Each head contains 4–6 yellow disc flowers but no ray flowers.Flora of North America, ''Gamochaeta ustulata'' (Nuttall) Holub, 1976. Featherweed, Pacific cudweed
/ref>

References

ustulata Flora of the West Coast of the United States Flora of British Columbia Plants described in 1841 Flora without expected TNC conservation status {{Gnaphalieae-stub