cudweed noun 9forms 1 noun9 •Any member of the species of flowering plants in the family Asteraceae, of several genera. •Gamochaeta, with species in North and South America •Gnaphalium, with species in Eurasia and the Americas •Pseudognaphalium, native to North America •Filago, of Eurasia and North America •Euchiton, native to Australasia and the Pacific •Helichrysum, occurring in Africa, Australasia and Eurasia. •Antennaria dioica •Cudbear, a fungus of species (Ochrolechia tartarea, syn. Lecanora tartarea) formscudweeds