Rock County

Ecosystem Overview

The Rock County ecosystem supports 100 documented wildlife species across 85 taxonomic genera. Located in Rock County, Wisconsin, this area provides critical habitat with diverse natural communities. The location hosts 21 frequently observed species and 19 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. Compared to nearby Janesville, Rock County hosts 27% more species diversity. This location ranks #1 for species diversity among 6 Rock County County natural areas, placing it in the 83th percentile for biodiversity.

Biodiversity Highlights

100

Total Species

Documented wildlife species

Genus Diversity

Taxonomic genera represented

Common Species

Frequently observed species

Rare Species

Occasionally documented species

Regional Rank

Out of 6 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#1 of 6 locations

83th percentile for diversity

vs. Janesville

+27% species diversity

Ecosystem Overview

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Biodiversity Highlights

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Species Distribution

Very Common‌

Common‌

Occasional‌

Rare‌

Regional Context

Regional Ranking

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Most Common Species

Showing 20 most frequently observed species out of 100 total documented species.

Fallopia convolvulus

black bindweed

Very Common6 obs.

Sabulina michauxii

Rock Sandwort

Very Common5 obs.

Daucus carota

wild carrot

Very Common5 obs.

Anemonastrum canadense

round-leaved anemone

Very Common4 obs.

Ranunculus rhomboideus

prairie buttercup

Very Common4 obs.

Libellula luctuosa

Widow Skimmer

Common4 obs.

Rhamnus cathartica

purging buckthorn

Common3 obs.

Ranunculus fascicularis

tufted buttercup

Common3 obs.

Melilotus albus

white melilot

Common3 obs.

Glechoma hederacea

ground ivy

Common3 obs.

Andropogon gerardi

Blue-Stem-Grass

Common3 obs.

Tradescantia ohiensis

Blue-Jacket

Occasional3 obs.

Platanus occidentalis

American Sycamore

Occasional3 obs.

Silphium perfoliatum

Cup Plant

Occasional3 obs.

Centaurea stoebe

spotted knapweed

Occasional3 obs.

Silphium laciniatum

pilot weed

Occasional3 obs.

Trillium recurvatum

Prairie Trillium

Occasional3 obs.

Acer negundo

ash-leaved maple, box-elder

Rare3 obs.

Cystopteris bulbifera

Bulb Bladderfern

Rare3 obs.

Celithemis eponina

Halloween Pennant

Rare3 obs.

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Most Common Species

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Get Your Personalized Field Guide

Download a professional PDF field guide featuring all the species found in Rock County. Perfect for outdoor adventures, education, and nature exploration.

$6.99

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Regional Comparison

Regional Ranking

100

Species Count

+355%

vs. Regional Average

Compared to 5 nearby locations in Rock County County, Wisconsin

Nearby Natural Areas

Janesville

Importance: 0.43

79 species

+27% vs. current

City Of Beloit

Importance: 0.43

24 species

+317% vs. current

Turtle Creek

Importance: 0.35

4 species

+2400% vs. current

Lions Pond

Importance: 0.35

2 species

+4900% vs. current

Milton

Importance: 0.34

1 species

+9900% vs. current

About This Comparison

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 Rock County County.

Regional Comparison

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Regional Ranking

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Species Count

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vs. Regional Average

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Nearby Natural Areas

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About This Comparison

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Regional Comparison

Regional Ranking

100

Species Count

+355%

vs. Regional Average

Compared to 5 nearby locations in Rock County County, Wisconsin

Nearby Natural Areas

Janesville

Importance: 0.43

79 species

+27% vs. current

City Of Beloit

Importance: 0.43

24 species

+317% vs. current

Turtle Creek

Importance: 0.35

4 species

+2400% vs. current

Lions Pond

Importance: 0.35

2 species

+4900% vs. current

Milton

Importance: 0.34

1 species

+9900% vs. current

About This Comparison

Ecosystem Overview

Biodiversity Highlights

100

Total Species

Documented wildlife species

Genus Diversity

Taxonomic genera represented

Common Species

Frequently observed species

Rare Species

Occasionally documented species

Regional Rank

Out of 6 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#1 of 6 locations

83th percentile for diversity

vs. Janesville

+27% species diversity

Most Common Species

Showing 20 most frequently observed species out of 100 total documented species.

Fallopia convolvulus

black bindweed

Very Common6 obs.

Sabulina michauxii

Rock Sandwort

Very Common5 obs.

Daucus carota

wild carrot

Very Common5 obs.

Anemonastrum canadense

round-leaved anemone

Very Common4 obs.

Ranunculus rhomboideus

prairie buttercup

Very Common4 obs.

Libellula luctuosa

Widow Skimmer

Common4 obs.

Rhamnus cathartica

purging buckthorn

Common3 obs.

Ranunculus fascicularis

tufted buttercup

Common3 obs.

Melilotus albus

white melilot

Common3 obs.

Glechoma hederacea

ground ivy

Common3 obs.

Andropogon gerardi

Blue-Stem-Grass

Common3 obs.

Tradescantia ohiensis

Blue-Jacket

Occasional3 obs.

Platanus occidentalis

American Sycamore

Occasional3 obs.

Silphium perfoliatum

Cup Plant

Occasional3 obs.

Centaurea stoebe

spotted knapweed

Occasional3 obs.

Silphium laciniatum

pilot weed

Occasional3 obs.

Trillium recurvatum

Prairie Trillium

Occasional3 obs.

Acer negundo

ash-leaved maple, box-elder

Rare3 obs.

Cystopteris bulbifera

Bulb Bladderfern

Rare3 obs.

Celithemis eponina

Halloween Pennant

Rare3 obs.

Want the Complete Field Guide?

Get all 100 species with 3-4 high-quality images each, detailed descriptions, and a downloadable PDF for offline use.

Premium field guide includes identification tips, seasonal patterns, and professional layout optimized for field use.