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Howell County, Missouri

Maps

Landmark Map

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

Natural Divisions Locality Map

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

Ecological Drainage Unit Locality Map

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

Major Watersheds Locality Map

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

Major Rivers Locality Map

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

Level I Ecoregion Locality Map

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

Level II Ecoregion Locality Map

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

Level III Ecoregion Locality Map

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

Level IV Ecoregion Locality Map

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

Presettlement Prairie Locality Map

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

Historical Vegetation Map

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

WaterPrairieBarrens / Scrub
ForestWoodlandOpen Woodland

Geology Locality Map

Geology locality map for Howell County, Missouri
Geology locality map for Howell 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

Howell County has a total of 194 valid, non-duplicated collections representing 54 species and 72 localities. There are a total of 54 collectors and 65 collection dates for the county. This results in a total of 71 expeditions for the county, a measure of unique date / collector(s) combinations. The county's earliest collection year is 1906 and its most recent collection year is 2024. The earliest and latest collection dates (independent of earliest and most recent collection years) are January 10 and November 13, respectively. If you have a new record to report for Howell County, read the New Records section of the FAQ.

Collection Summary by Species

Collection summary for Howell 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 4 2 3 3 1932 1939
Agkistrodon contortrix Eastern Copperhead 2 3 2 2 2 1956 1956
Ambystoma annulatum Ringed Salamander 2 3 4 2 2 1998 2006
Ambystoma maculatum Spotted Salamander 1 1 3 1 1 2003 2003
Ambystoma opacum Marbled Salamander 2 2 2 2 2 2004 2021
Ambystoma tigrinum Eastern Tiger Salamander 1 3 2 1 1 1988 1988
Anaxyrus americanus American Toad 1 1 1 1 1 1973 1973
Apalone spinifera Northern Spiny Softshell 1 1 1 1 1 1960 1960
Aspidoscelis sexlineatus Prairie Racerunner 1 1 1 1 1 1975 1975
Carphophis vermis Western Wormsnake 1 1 2 1 1 2021 2021
Chelydra serpentina North American Snapping Turtle 1 1 1 1 1 1973 1973
Chrysemys picta Western Painted Turtle 2 2 5 2 2 2007 2008
Coluber constrictor North American Racer 3 3 3 2 3 1970 1970
Crotalus horridus Timber Rattlesnake 1 1 1 1 1 1909 1909
Diadophis punctatus Ring-necked Snake 4 4 4 4 4 2003 2007
Dryophytes chrysoscelis Cope's Gray Treefrog 1 15 1 1 1 1989 1989
Dryophytes versicolor Gray Treefrog 1 8 1 1 1 1989 1989
Eurycea longicauda Long-tailed Salamander 2 2 2 2 2 1976 2005
Eurycea lucifuga Cave Salamander 1 1 3 1 1 2004 2004
Eurycea nerea Northern Grotto Salamander 2 2 2 2 2 2019 2019
Gastrophryne carolinensis Eastern Narrow-mouthed Toad 2 2 2 1 2 2008 2008
Heterodon platirhinos Eastern Hog-nosed Snake 3 4 4 4 4 1906 2022
Lampropeltis calligaster Prairie Kingsnake 2 2 1 2 2 2005 2005
Lampropeltis holbrooki Speckled Kingsnake 2 4 3 3 3 1906 1975
Lampropeltis triangulum Eastern Milksnake 1 2 2 2 2 1906 1906
Lithobates catesbeianus North American Bullfrog 1 2 1 2 2 1932 1932
Lithobates clamitans North American Green Frog 1 1 3 1 1 2002 2002
Lithobates palustris Pickerel Frog 1 1 1 1 1 1976 1976
Lithobates sphenocephalus Coastal Plains Leopard Frog 1 1 3 1 1 2002 2002
Macrochelys temminckii Western Alligator Snapping Turtle 1 1 1 1 1 2017 2017
Nerodia erythrogaster Yellow-bellied Watersnake 1 1 1 1 1 2006 2006
Nerodia sipedon Common Watersnake 2 64 1 3 3 1975 1976
Notophthalmus viridescens Central Newt 2 3 3 3 3 1932 2007
Opheodrys aestivus Northern Rough Greensnake 1 1 1 1 1 1998 1998
Ophisaurus attenuatus Western Slender Glass Lizard 4 5 7 5 5 1906 2024
Pantherophis emoryi Great Plains Ratsnake 1 1 1 1 1 2022 2022
Pantherophis obsoletus Western Ratsnake 1 1 1 1 1 1973 1973
Plestiodon fasciatus Common Five-lined Skink 4 5 3 4 5 1932 1998
Plethodon albagula Western Slimy Salamander 2 2 3 2 2 2001 2005
Plethodon serratus Southern Red-backed Salamander 3 4 3 2 2 1961 2005
Pseudacris crucifer Spring Peeper 2 2 3 2 2 2003 2003
Pseudemys concinna Eastern River Cooter 1 1 1 1 1 2015 2015
Sceloporus consobrinus Prairie Lizard 3 5 2 3 3 1953 2002
Scincella lateralis Little Brown Skink 1 1 1 1 1 2004 2004
Siren nettingi Western Lesser Siren 1 1 1 1 1 1988 1988
Sistrurus miliarius Western Pygmy Rattlesnake 3 3 4 2 3 1938 1969
Sternotherus odoratus Eastern Musk Turtle 1 1 1 1 1 1969 1969
Storeria dekayi DeKay's Brownsnake 2 2 3 2 2 2005 2005
Storeria occipitomaculata Red-bellied Snake 1 1 1 1 1 2002 2002
Terrapene triunguis Three-toed Box Turtle 3 3 3 3 3 1932 2007
Thamnophis proximus Orange-striped Ribbonsnake 1 2 2 2 2 1906 1906
Thamnophis sirtalis Common Gartersnake 3 3 4 2 3 1952 1983
Trachemys scripta Red-eared Slider 2 2 3 2 2 1983 2007
Virginia striatula Rough Earthsnake 1 1 1 1 1 1962 1962

Potential Species Records

Potential species for Howell 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 Agkistrodon piscivorus Northern Cottonmouth Same watershed, within 5 miles Current
2 Agkistrodon piscivorus Northern Cottonmouth Same watershed, within 5 miles Eleven Point
2 Crotaphytus collaris Eastern Collared Lizard Same Level IV ecoregion, within 5 miles White River Hills
2 Cryptobranchus alleganiensis Hellbender Same watershed, within 5 miles North Fork White
2 Graptemys geographica Northern Map Turtle Same watershed, within 5 miles North Fork White
2 Graptemys geographica Northern Map Turtle Same watershed, within 5 miles Current
2 Hemidactylium scutatum Four-toed Salamander Same Level IV ecoregion, within 5 miles Current River Hills
2 Necturus louisianensis Red River Mudpuppy Same Level IV ecoregion, within 5 miles Current River Hills
2 Plethodon angusticlavius Ozark Zigzag Salamander Same Level IV ecoregion, within 5 miles White River Hills
2 Tantilla gracilis Flat-headed Snake Same Level IV ecoregion, within 5 miles White River Hills
4 Dryophytes cinereus Green Treefrog Same Level IV ecoregion, within 10 miles Central Plateau
4 Eurycea tynerensis Oklahoma Salamander Same Level IV ecoregion, within 10 miles Central Plateau
4 Masticophis flagellum Eastern Coachwhip Same Level IV ecoregion, within 10 miles Current River Hills
4 Masticophis flagellum Eastern Coachwhip Same Level IV ecoregion, within 10 miles White River Hills
4 Masticophis flagellum Eastern Coachwhip Same Level IV ecoregion, within 10 miles Central Plateau
4 Terrapene ornata Ornate Box Turtle Same Level IV ecoregion, within 10 miles White River Hills
6 Anaxyrus fowleri Fowler's Toad Same Level IV ecoregion, within 20 miles Central Plateau
6 Anaxyrus fowleri Fowler's Toad Same Level IV ecoregion, within 20 miles Current River Hills
6 Anaxyrus fowleri Fowler's Toad Same Level IV ecoregion, within 20 miles White River Hills
6 Graptemys pseudogeographica False Map Turtle Same watershed, within 20 miles Current
6 Graptemys pseudogeographica False Map Turtle Same watershed, within 20 miles North Fork White
6 Kinosternon subrubrum Mississippi Mud Turtle Same Level IV ecoregion, within 20 miles Current River Hills
6 Lithobates sylvaticus Wood Frog Same Level IV ecoregion, within 20 miles Current River Hills
6 Plestiodon anthracinus Southern Coal Skink Same Level IV ecoregion, within 20 miles Current River Hills
6 Plestiodon anthracinus Southern Coal Skink Same Level IV ecoregion, within 20 miles White River Hills
6 Plestiodon laticeps Broad-headed Skink Same Level IV ecoregion, within 20 miles Current River Hills
6 Sonora episcopa Great Plains Groundsnake Same Level IV ecoregion, within 20 miles White River Hills
8 Pituophis catenifer Bullsnake Same Level IV ecoregion, within 30 miles Central Plateau
8 Pseudacris feriarum Upland Chorus Frog Same Level IV ecoregion, within 30 miles Current River Hills
8 Pseudacris feriarum Upland Chorus Frog Same Level IV ecoregion, within 30 miles Central Plateau
8 Virginia valeriae Western Smooth Earthsnake Same Level IV ecoregion, within 30 miles Current River Hills
8 Virginia valeriae Western Smooth Earthsnake Same Level IV ecoregion, within 30 miles Central Plateau
11 Lithobates blairi Plains Leopard Frog Same Level III ecoregion, adjacent county Ozark Highlands
11 Nerodia fasciata Broad-banded Watersnake Same Level III ecoregion, adjacent county Ozark Highlands

Checklist

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