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
Silkweed
Whitetop
Heal-All

Pale Swallowwort
Nonesuch
Mayapple
Redosier
Hedge Garlic

Sand Briar
Bead Fern

Pleurisy Root

Bog Spruce
Wild Geranium