A PDF field guide to the species reported in and around Waterloo State Recreation Area, 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 Waterloo State Recreation Area include Tree Swallow, American Goldfinch, Large Tick-Trefoil, American Beech and Allspice. Plants lead the list with 48 species, followed by 2 birds.
The 20 species reported most often here, of 50 in the full guide.

Large Tick-Trefoil
American Beech
Allspice
Snow Trillium
Apios
White Avens
Tell me what you're looking for, and I'll do my best to answer.
Silkweed
Whitetop
Heal-All

Pale Swallowwort
Nonesuch
Mayapple
Redosier
Hedge Garlic

Sand Briar
Bead Fern

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

Bog Spruce
Wild Geranium