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 Red-Winged Blackbird, Goldenrod Gall Fly, Goldenrod Bunch Gall Midge, Monarch and Beebalm. Plants lead the list with 45 species, followed by 4 insects.
The 20 species reported most often here, of 50 in the full guide.
Beebalm

Browneyed Susan
Dogbane



Cup Plant
Poison Ivy

Soapwort

Buckthorn

Wild Tea
Golden Cassia
Red-Winged Blackbird

Button Eryngo
Horseweed
Poke
Modesty

Buttonweed
Myrtle

Blackroot