A PDF field guide to the species reported in and around Algonquin Woods Preserve, with common and scientific names and up to 3 photos of each, laid out for use in the field and offline.
The animals people report most often in and around Algonquin Woods Preserve include House Sparrow, Flat-Headed Hardwood Borer, Nursery Web Spider, Great Crested Flycatcher and Wood Thrush. Plants lead the list with 38 species, followed by 4 birds and 3 insects.
The 20 species reported most often here, of 50 in the full guide.

Buckthorn
Dulcamara
Poison Ivy

Burnweed
Fall Boneset

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

Balm
Hedge Garlic
Japanese Barberry
Purslane
Coneflower

Sticktight
Boar Thistle
House Sparrow
Mayapple
Redbud
Snapweed
Tell me what you're looking for, and I'll do my best to answer.

Flat-Headed Hardwood Borer
Nursery Web Spider