Johnsonville State Historic Park

Ecosystem Overview

The Johnsonville State Historic Park ecosystem supports 15 documented wildlife species across 15 taxonomic genera. Located in Humphreys County, Tennessee, this area provides critical habitat with diverse natural communities. The location hosts 4 frequently observed species and 2 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While Humphreys County nearby has 79% more documented species, Johnsonville State Historic Park offers unique wildlife observation opportunities. This location ranks #20 for species diversity among 82 Humphreys County County natural areas, placing it in the 76th percentile for biodiversity.

Biodiversity Highlights

Total Species

Documented wildlife species

Genus Diversity

Taxonomic genera represented

Common Species

Frequently observed species

Rare Species

Occasionally documented species

#20

Regional Rank

Out of 82 locations

Species Distribution

Very Common4 species

Common4 species

Occasional5 species

Rare2 species

Regional Context

Regional Ranking

#20 of 82 locations

76th percentile for diversity

vs. Humphreys County

-79% 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 15 total documented species.

Heliotropium indicum

Indian Heliotrope

Very Common1 obs.

Prunus mahaleb

Mahaleb Cherry

Very Common0.44 obs.

Plectomerus dombeyanus

Bankclimber

Very Common0.22 obs.

Houstonia pusilla

Very Common0.2 obs.

Toxicodendron radicans

Poison Ivy

Very Common0.14 obs.

Fusconaia flava

Wabash Pigtoe

Common0.11 obs.

Pyganodon grandis

Giant Floater

Common0.11 obs.

Glechoma hederacea

Haymaids

Common0.11 obs.

Utterbackiana suborbiculata

Flat Floater

Common0.11 obs.

Potamilus ohiensis

Pink Papershell

Common0.11 obs.

Lampsilis teres

Yellow Sandshell

Common0.11 obs.

Alosa chrysochloris

Skipjack

Occasional0.11 obs.

Theliderma metanevra

Monkeyface

Occasional0.11 obs.

Megalonaias nervosa

Washboard

Occasional0.11 obs.

Podophyllum peltatum

Mayapple

Occasional0.05 obs.

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Most Common Species

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Get Your Personalized Field Guide

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Regional Comparison

Regional Ranking

Species Count

-65%

vs. Regional Average

Compared to 8 nearby locations in Humphreys County County, Tennessee

Nearby Natural Areas

Humphreys County

Importance: 0.80

73 species

-79% vs. current

Waverly

Importance: 0.70

77 species

-81% vs. current

New Johnsonville

Importance: 0.70

73 species

-79% vs. current

McEwen

Importance: 0.70

15 species

0% vs. current

Johnsonville Fossil & Combustion Turbine Power Plants

Importance: 0.60

17 species

-12% vs. current

Waverly

Importance: 0.60

4 species

+275% vs. current

Hustburg

Importance: 0.50

59 species

-75% vs. current

C L Edwards Memorial Park

Importance: 0.50

27 species

-44% 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 Humphreys 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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Most Common Species

Showing 20 most frequently observed species out of 15 total documented species.

Heliotropium indicum

Indian Heliotrope

Very Common1 obs.

Prunus mahaleb

Mahaleb Cherry

Very Common0.44 obs.

Plectomerus dombeyanus

Bankclimber

Very Common0.22 obs.

Houstonia pusilla

Very Common0.2 obs.

Toxicodendron radicans

Poison Ivy

Very Common0.14 obs.

Fusconaia flava

Wabash Pigtoe

Common0.11 obs.

Pyganodon grandis

Giant Floater

Common0.11 obs.

Glechoma hederacea

Haymaids

Common0.11 obs.

Utterbackiana suborbiculata

Flat Floater

Common0.11 obs.

Potamilus ohiensis

Pink Papershell

Common0.11 obs.

Lampsilis teres

Yellow Sandshell

Common0.11 obs.

Alosa chrysochloris

Skipjack

Occasional0.11 obs.

Theliderma metanevra

Monkeyface

Occasional0.11 obs.

Megalonaias nervosa

Washboard

Occasional0.11 obs.

Podophyllum peltatum

Mayapple

Occasional0.05 obs.

Want the Complete Field Guide?

Get all 15 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.

Regional Comparison

Regional Ranking

Species Count

-65%

vs. Regional Average

Compared to 8 nearby locations in Humphreys County County, Tennessee

Nearby Natural Areas

Humphreys County

Importance: 0.80

73 species

-79% vs. current

Waverly

Importance: 0.70

77 species

-81% vs. current

New Johnsonville

Importance: 0.70

73 species

-79% vs. current

McEwen

Importance: 0.70

15 species

0% vs. current

Johnsonville Fossil & Combustion Turbine Power Plants

Importance: 0.60

17 species

-12% vs. current

Waverly

Importance: 0.60

4 species

+275% vs. current

Hustburg

Importance: 0.50

59 species

-75% vs. current

C L Edwards Memorial Park

Importance: 0.50

27 species

-44% vs. current

About This Comparison

Ecosystem Overview

Biodiversity Highlights

Total Species

Documented wildlife species

Genus Diversity

Taxonomic genera represented

Common Species

Frequently observed species

Rare Species

Occasionally documented species

#20

Regional Rank

Out of 82 locations

Species Distribution

Very Common4 species

Common4 species

Occasional5 species

Rare2 species

Regional Context

Regional Ranking

#20 of 82 locations

76th percentile for diversity

vs. Humphreys County

-79% species diversity