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WordNet (r) 3.0 (2006) (WordNet)

cudweed
n 1: any of numerous plants of the genus Gnaphalium having
flowers that can be dried without loss of form or color
2: any plant of the genus Filago having capitate clusters of
small woolly flower heads [synonym: {cotton rose}, {cudweed},
{filago}]
3: perennial cottony-white herb of southwestern United States
[synonym: {western mugwort}, {white sage}, {cudweed}, {prairie
sage}, {Artemisia ludoviciana}, {Artemisia gnaphalodes}]