A PDF field guide to the species reported in and around Lake In The Hills Fen Nature 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 Lake In The Hills Fen Nature Preserve include Red Milkweed Beetle, Monarch, Wild Tea, Beebalm and Buckthorn. Plants lead the list with 48 species, followed by 2 insects.
The 20 species reported most often here, of 50 in the full guide.

Wild Tea
Beebalm

Buckthorn

Button Eryngo

Dusty Clover

Cup Plant

Grey-Headed Coneflower

Purple Coneflower

Rigid Goldenrod

Blue Lobelia
Yarrow
Silkweed
Boxelder

Catnip
Hedge Garlic
Heal-All
Poke

Motherwort

White Sneezewort

Bluejacket