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Definition of Prairie sage
1. Noun. Perennial cottony-white herb of southwestern United States. 
Exact synonyms: Artemisia Gnaphalodes, Artemisia Ludoviciana, Cudweed, Western Mugwort, White Sage
Generic synonyms: Mugwort
Generic synonyms: Mugwort
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1. Noun. Perennial cottony-white herb of southwestern United States.