Trillium Ridge Flora and Fauna
Nodding wild onion
Allium cernuum
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.
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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)