A PDF field guide to the species reported in and around Rock River 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 Rock River Preserve include Cedar Waxwing, Aspen Serpentine Leafminer Moth, Carpenter Ant, Soapwort and Treacle-Berry. Plants lead the list with 45 species, followed by 4 insects.
The 20 species reported most often here, of 50 in the full guide.

Soapwort
Treacle-Berry
Sycamore
Cedar Waxwing

Thimbleberry
Holly Fern

Cottonwood

Bethroot
Spoonwood
Hemlock
Peppergrass
Butterflyweed
Ghost Pipe
Bead Fern

Aspen Serpentine Leafminer Moth

Woodfern

Canada Tickclover

Carpenter Ant
Heal-All