A PDF field guide to the species reported in and around Arrowhead Marsh, 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 Arrowhead Marsh include Pale Tiger Moth, Bumble Bee, Wahoo, Butterflyweed and Allspice. Plants lead the list with 47 species, followed by 2 insects.
The 20 species reported most often here, of 50 in the full guide.

Wahoo
Butterflyweed
Allspice

Honewort

Wild Cucumber

Tell me what you're looking for, and I'll do my best to answer.
Mayapple
Indian Turnip

Devil'S Dipstick
Pale Tiger Moth

Bur Sedge
Dragonroot

Moneywort

Ciliate Loosestrife
Dogbane
Violet

Ninebark
Tell me what you're looking for, and I'll do my best to answer.

Baptisia
Common Dayflower