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Henry County, Missouri

Maps

Landmark Map

Landmark locality map for Henry County, Missouri
Landmark locality map for Henry County, Missouri
Map created 15 April 2026.

Interstate HighwayRailroadUS Army Corps of Engineers
US HighwayDepartment of ConservationUS Fish and Wildlife Service
State HighwayDepartment of Natural ResourcesNational Park Service
County HighwayUS Forest ServiceUS Department of Defense

Locator Map

Locator map for Henry County, Missouri
Locator map for Henry County, Missouri
Map created 15 April 2026.

Natural Divisions Locality Map

Natural divisions and sections locality map for Henry County, Missouri
Natural Divisions locality map for Henry County, Missouri
Map created 15 April 2026.

Ecological Drainage Unit Locality Map

Ecological drainage unit locality map for Henry County, Missouri
Ecological Drainage Units locality map for Henry County, Missouri
Map created 15 April 2026.

Major Watersheds Locality Map

Major watersheds locality map for Henry County, Missouri
Major Watersheds locality map for Henry County, Missouri
Map created 15 April 2026.

Major Rivers Locality Map

Major rivers locality map for Henry County, Missouri
Major Rivers locality map for Henry County, Missouri
Map created 15 April 2026.

Level I Ecoregion Locality Map

Level I Ecoregion locality map for Henry County, Missouri
Level I Ecoregion locality map for Henry County, Missouri
Map created 15 April 2026.

Level II Ecoregion Locality Map

Level II Ecoregion locality map for Henry County, Missouri
Level II Ecoregion locality map for Henry County, Missouri
Map created 15 April 2026.

Level III Ecoregion Locality Map

Level III Ecoregion locality map for Henry County, Missouri
Level III Ecoregion locality map for Henry County, Missouri
Map created 15 April 2026.

Level IV Ecoregion Locality Map

Level IV Ecoregion locality map for Henry County, Missouri
Level IV Ecoregion locality map for Henry County, Missouri
Map created 15 April 2026.

Presettlement Prairie Locality Map

Presettlement prairie locality map for Henry County, Missouri
Presettlement Prairie locality map for Henry County, Missouri
Map created 15 April 2026.

Historical Vegetation Map

Historical vegetation map for Henry County, Missouri
Historical Vegetation map for Henry County, Missouri
Map created 15 April 2026.

WaterPrairieBarrens / Scrub
ForestWoodlandOpen Woodland

Geology Locality Map

Geology locality map for Henry County, Missouri
Geology locality map for Henry County, Missouri
Map created 15 April 2026.

AlluviumSandstoneDolomiteLimestone
ClaySandstone / LimestoneDolomite / LimestoneLimestone / Sandstone
IgneousSandstone / DolomiteDolomite / ShaleLimestone / Shale
Limestone / Sandstone / Shale

Species List

Salamanders (Caudata)

Frogs (Anura)

Lizards (Squamata, "Lizards")

Snakes (Squamata, "Snakes")

Turtles (Testudines)

Collection Summary

Henry County has a total of 112 valid, non-duplicated collections representing 45 species and 71 localities. There are a total of 42 collectors and 50 collection dates for the county. This results in a total of 59 expeditions for the county, a measure of unique date / collector(s) combinations. The county's earliest collection year is 1938 and its most recent collection year is 2025. The earliest and latest collection dates (independent of earliest and most recent collection years) are March 8 and November 28, respectively. If you have a new record to report for Henry County, read the New Records section of the FAQ.

Collection Summary by Species

Collection summary for Henry County by species. Some values are unavailable since some records are represented solely by historical literature reports, which sometimes lack complete collecting data. Click on a species or common name to view more information about that species. Click on column headings to sort by that column.
Species Common Name Localities Collections Collectors Dates Expeditions Earliest Year Latest Year
Acris blanchardi Blanchard's Cricket Frog 3 3 3 3 3 1989 2000
Agkistrodon contortrix Eastern Copperhead 1 1 1 1 1 1978 1978
Agkistrodon piscivorus Northern Cottonmouth 1 1 1 1 1 2007 2007
Ambystoma texanum Small-mouthed Salamander 2 7 1 2 2 1938 1938
Anaxyrus americanus American Toad 2 6 1 2 2 1938 1938
Apalone spinifera Northern Spiny Softshell 1 1 1 1 1 2025 2025
Carphophis vermis Western Wormsnake 1 1 1 1 1 1982 1982
Chelydra serpentina North American Snapping Turtle 1 1 1 1 1 1983 1983
Chrysemys picta Western Painted Turtle 2 2 2 2 2 1987 1991
Coluber constrictor North American Racer 1 1 1 1 1 2004 2004
Crotalus horridus Timber Rattlesnake 2 2 1 1 1
Diadophis punctatus Ring-necked Snake 4 6 5 4 5 1991 2007
Dryophytes chrysoscelis Cope's Gray Treefrog 1 1 2 1 1 1992 1992
Gastrophryne carolinensis Eastern Narrow-mouthed Toad 2 2 2 1 2 1972 1972
Heterodon platirhinos Eastern Hog-nosed Snake 1 1 3 1 1 2022 2022
Lampropeltis calligaster Prairie Kingsnake 3 3 4 3 3 1959 2007
Lampropeltis holbrooki Speckled Kingsnake 1 1 1 1 1 2015 2015
Lampropeltis triangulum Eastern Milksnake 3 3 3 2 2 2018 2018
Lithobates areolatus Northern Crawfish Frog 1 1 1 1 1 1960 1960
Lithobates blairi Plains Leopard Frog 5 5 4 3 3 1973 1993
Lithobates catesbeianus North American Bullfrog 2 2 3 2 2 1991 2007
Lithobates palustris Pickerel Frog 1 2 1 1 1 2008 2008
Lithobates sphenocephalus Coastal Plains Leopard Frog 3 3 2 2 2 1938 2008
Masticophis flagellum Eastern Coachwhip 3 3 2 2 3 1972 1976
Nerodia erythrogaster Yellow-bellied Watersnake 2 8 3 3 4 1938 1941
Nerodia rhombifer Northern Diamond-backed Watersnake 1 1 1 1 1 1938 1938
Nerodia sipedon Common Watersnake 2 5 2 2 2 1967 1982
Notophthalmus viridescens Central Newt 1 1 1 1 1 2008 2008
Opheodrys aestivus Northern Rough Greensnake 1 1 1 1 1 1960 1960
Pantherophis obsoletus Western Ratsnake 4 4 11 4 4 1962 2007
Pituophis catenifer Bullsnake 1 1 1 1 1 1959 1959
Plestiodon fasciatus Common Five-lined Skink 2 2 2 2 2 1982 1991
Plethodon serratus Southern Red-backed Salamander 1 1 1 1 1 1995 1995
Pseudacris crucifer Spring Peeper 2 2 3 2 2 1992 2008
Regina grahamii Graham's Crawfish Snake 1 1 1 1 1 1979 1979
Sceloporus consobrinus Prairie Lizard 3 3 3 3 3 1959 1991
Scincella lateralis Little Brown Skink 2 2 2 2 2 1991 1991
Storeria dekayi DeKay's Brownsnake 4 4 4 4 4 1992 2008
Tantilla gracilis Flat-headed Snake 2 2 2 2 2 1982 1982
Terrapene ornata Ornate Box Turtle 2 2 8 2 2 1983 2007
Terrapene triunguis Three-toed Box Turtle 2 2 2 2 2 1982 2014
Thamnophis proximus Orange-striped Ribbonsnake 1 1 1 1 1 2004 2004
Thamnophis sirtalis Common Gartersnake 3 3 2 2 2 1982 2004
Trachemys scripta Red-eared Slider 4 5 5 3 4 1983 2014
Virginia valeriae Western Smooth Earthsnake 2 2 1 1 1 1991 1991

Potential Species Records

Potential species for Henry County. Species are listed in descending order of their likelihood of occurrence within the county. Click on a species or common name to view more information about that species. Click on column headings to sort by that column.
Likelihood Species Common Name Rationale Ecoregion / Watershed
2 Ambystoma opacum Marbled Salamander Same Level IV ecoregion, within 5 miles Osage/Gasconade Hills
2 Aspidoscelis sexlineatus Prairie Racerunner Same Level IV ecoregion, within 5 miles Cherokee Plains
2 Aspidoscelis sexlineatus Prairie Racerunner Same Level IV ecoregion, within 5 miles Wooded Osage Plains
2 Dryophytes versicolor Gray Treefrog Same Level IV ecoregion, within 5 miles Wooded Osage Plains
2 Ophisaurus attenuatus Western Slender Glass Lizard Same Level IV ecoregion, within 5 miles Wooded Osage Plains
2 Plestiodon anthracinus Southern Coal Skink Same Level IV ecoregion, within 5 miles Osage/Gasconade Hills
2 Plestiodon laticeps Broad-headed Skink Same Level IV ecoregion, within 5 miles Osage/Gasconade Hills
2 Sonora episcopa Great Plains Groundsnake Same Level IV ecoregion, within 5 miles Osage/Gasconade Hills
2 Storeria occipitomaculata Red-bellied Snake Same Level IV ecoregion, within 5 miles Osage/Gasconade Hills
2 Virginia striatula Rough Earthsnake Same Level IV ecoregion, within 5 miles Osage/Gasconade Hills
2 Virginia striatula Rough Earthsnake Same Level IV ecoregion, within 5 miles Wooded Osage Plains
2 Virginia striatula Rough Earthsnake Same Level IV ecoregion, within 5 miles Cherokee Plains
4 Ambystoma maculatum Spotted Salamander Same Level IV ecoregion, within 10 miles Osage/Gasconade Hills
4 Ambystoma tigrinum Eastern Tiger Salamander Same Level IV ecoregion, within 10 miles Osage/Gasconade Hills
4 Anaxyrus fowleri Fowler's Toad Same Level IV ecoregion, within 10 miles Osage/Gasconade Hills
4 Eurycea longicauda Long-tailed Salamander Same Level IV ecoregion, within 10 miles Osage/Gasconade Hills
4 Graptemys ouachitensis Ouachita Map Turtle Same watershed, within 10 miles Harry S. Truman Reservoir
4 Necturus maculosus Mudpuppy Same watershed, within 10 miles Harry S. Truman Reservoir
4 Pantherophis emoryi Great Plains Ratsnake Same Level IV ecoregion, within 10 miles Osage/Gasconade Hills
4 Pseudacris maculata Boreal Chorus Frog Same Level IV ecoregion, within 10 miles Wooded Osage Plains
4 Pseudacris maculata Boreal Chorus Frog Same Level IV ecoregion, within 10 miles Osage/Gasconade Hills
4 Sternotherus odoratus Eastern Musk Turtle Same watershed, within 10 miles Harry S. Truman Reservoir
4 Tropidoclonion lineatum Lined Snake Same Level IV ecoregion, within 10 miles Wooded Osage Plains
6 Apalone mutica Midland Smooth Softshell Same watershed, within 20 miles Harry S. Truman Reservoir
6 Dryophytes cinereus Green Treefrog Same Level IV ecoregion, within 20 miles Wooded Osage Plains
6 Eurycea lucifuga Cave Salamander Same Level IV ecoregion, within 20 miles Osage/Gasconade Hills
6 Gastrophryne olivacea Western Narrow-mouthed Toad Same Level IV ecoregion, within 20 miles Osage/Gasconade Hills
6 Graptemys pseudogeographica False Map Turtle Same watershed, within 20 miles Harry S. Truman Reservoir
6 Lithobates clamitans North American Green Frog Same Level IV ecoregion, within 20 miles Wooded Osage Plains
6 Lithobates clamitans North American Green Frog Same Level IV ecoregion, within 20 miles Osage/Gasconade Hills
6 Plethodon albagula Western Slimy Salamander Same Level IV ecoregion, within 20 miles Osage/Gasconade Hills
8 Crotaphytus collaris Eastern Collared Lizard Same Level IV ecoregion, within 30 miles Osage/Gasconade Hills
8 Crotaphytus collaris Eastern Collared Lizard Same Level IV ecoregion, within 30 miles Wooded Osage Plains
8 Hemidactylium scutatum Four-toed Salamander Same Level IV ecoregion, within 30 miles Osage/Gasconade Hills
8 Opheodrys vernalis Smooth Greensnake Same Level IV ecoregion, within 30 miles Wooded Osage Plains
8 Plestiodon obsoletus Great Plains Skink Same Level IV ecoregion, within 30 miles Wooded Osage Plains
8 Sistrurus tergeminus Prairie Massasauga Same Level IV ecoregion, within 30 miles Wooded Osage Plains

Checklist

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