Download a professional PDF field guide featuring all the species found in Cass County. Perfect for outdoor adventures, education, and nature exploration.
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Showing 20 most frequently observed species out of 76 total documented species.
Poison Ivy
Hedge Garlic
Silkweed
Horseweed
Black Sumac

Pale Sedge
Myrtle
Beebalm

Umbrella Wort
Sassafras
Orb Weavers

Swamp-Privet

Soft Maple
Snapweed
Widow Skimmer
Eastern Amberwing
Halloween Pennant
American Toad
Get all 76 species with 3-4 high-quality images each, detailed descriptions, and a downloadable PDF for offline use.
Compared to 8 nearby locations in Cass 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 Cass County County.
The Cass County ecosystem supports 76 documented wildlife species across 71 taxonomic genera. Located in Cass County, Illinois, this area provides critical habitat with diverse natural communities. The location hosts 16 frequently observed species and 15 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. Compared to nearby Chandlerville, Cass County hosts 407% more species diversity. This location ranks #2 for species diversity among 100 Cass County County natural areas, placing it in the 98th percentile for biodiversity.