A PDF field guide to the species reported in and around Mill Creek Forest Preserve, with common and scientific names and up to 3 photos of each, laid out for use in the field and offline.
Species people report often in and around Mill Creek Forest Preserve include Large Lace Border, Yellowthroat, Buckthorn, Hedge Garlic and Ninebark. Plants lead the list with 48 species.
The 20 species reported most often here, of 50 in the full guide.

Buckthorn
Hedge Garlic

Ninebark
Boxelder
Mayapple

Buckeye
Wild Geranium

Cardinalflower

Kerria

Abele

Burnweed
Dulcamara

Haymaids

Hackberry

Catnip

Carpet Box

Lionsbeard