A PDF field guide to the species reported in and around H.O. Cook State Forest, 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 H.o. Cook State Forest include Mourning Dove, Ashweed, Downy Rattlesnake Plantain, Erect Potentil and Jewelweed. Plants lead the list with 43 species.
The 20 species reported most often here, of 44 in the full guide.

Ashweed

Downy Rattlesnake Plantain

Erect Potentil

Jewelweed
Thimbleberry

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

Paint Trillium

Indian Cucumber

Goosefoot
Treacle-Berry

Disc Mayweed
Cockspur

Canada Beadruby
Hardhack

Feverfew
Myrtle

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

Nettle
Japanese Spiraea