A PDF field guide to the species reported in and around Marshall Park & Dubuque Arboretum, 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 Marshall Park & Dubuque Arboretum include Black And Gold Bumble Bee, Brown-Belted Bumblebee, Carp, Ghostweed and Cup Plant. Plants lead the list with 46 species, followed by 3 insects.
The 20 species reported most often here, of 50 in the full guide.

Ghostweed

Cup Plant
Boxelder

Buckthorn

Althea

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

Redroot
Japanese Spiraea
Treacle-Berry

Black And Gold Bumble Bee
Jumpseed

Spotted Henbit

Golden Archangel

Siberian Crab

Spicebush

Browneyed Susan
Bluebells
Tell me what you're looking for, and I'll do my best to answer.
Haymaids

Fustet