Illinois Native Plants for the Home Landscape: Planting design tips for year-round landscape interest.
Native Plants for Specific Use: Illinois Department of Natural Resources recommended plant list grouped based on site conditions. Includes: dry, medium and wet sites, rooftop gardens, hummingbird gardens, butterfly gardens, short and tall prairie gardens, woodlands, savannas, ponds, wetlands, bioswales and containers.
University of Illinois Wildflowers: A directory of more than 140 different Illinois wildflowers