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Pronunciation: er-IJ-er-on bo-nar-ee-EN-sis
Common name: Small horseweed, Flax-leaved horseweed
Family: Asteraceae (Sunflower)
Habitat: Waste and disturbed areas generally below 3000' and ranging from California to the Atlantic coast, introduced from South America
Blooming period: June to August
Name derivations: 1) Erigeron 2) bonariensis