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The wet soils and landscapes of the Chicago region once supported millions of these delicate plants. Flourishing profusely in undulating swells and swales of pre-settlement northeastern Illinois, nodding wild onion is now found primarily in protected nature preserves. Link   Link   Genus: Allium (onion) Family: Liliaceae (lillies) Order: Liliales (Mostly perennial plants, with food storage organs such as corms or rhizomes.) Class: Liliopsida (Monocots) Phylum/Division: Magnoliophyta (Flowering plants) Kingdom: Plantae (Plants) |