Download a professional PDF field guide featuring all the species found in Clark County. Perfect for outdoor adventures, education, and nature exploration.
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Showing 20 most frequently observed species out of 74 total documented species.
Snapweed
Woodbine
Ragweed
Modesty
Hedge Garlic
Mayapple
Dogbane
Poison Ivy
Wild Ginger

Jewelweed

Buttonweed
Blackcap
White Cockle
Horseweed

Beefsteakplant
Pawpaw
Common Eastern Bumblebee

Cardinalflower
Soybean
Peanut
Get all 74 species with 3-4 high-quality images each, detailed descriptions, and a downloadable PDF for offline use.
Compared to 8 nearby locations in Clark County County, Illinois
These comparisons are based on documented wildlife observations from citizen science data. Locations with higher species counts may have more observation activity, different habitat types, or larger coverage areas. Regional rankings help identify biodiversity hotspots and unique natural areas within Clark County County.
The Clark County ecosystem supports 74 documented wildlife species across 69 taxonomic genera. Located in Clark County, Illinois, this area provides critical habitat with diverse natural communities. The location hosts 15 frequently observed species and 14 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. Compared to nearby Westfield, Clark County hosts 0% more species diversity. This location ranks #2 for species diversity among 100 Clark County County natural areas, placing it in the 98th percentile for biodiversity.