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Morgan County, Missouri

Maps

Landmark Map

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

Natural Divisions Locality Map

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

Ecological Drainage Unit Locality Map

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

Major Watersheds Locality Map

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

Major Rivers Locality Map

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

Level I Ecoregion Locality Map

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

Level II Ecoregion Locality Map

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

Level III Ecoregion Locality Map

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

Level IV Ecoregion Locality Map

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

Presettlement Prairie Locality Map

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

Historical Vegetation Map

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

WaterPrairieBarrens / Scrub
ForestWoodlandOpen Woodland

Geology Locality Map

Geology locality map for Morgan County, Missouri
Geology locality map for Morgan 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

Morgan County has a total of 165 valid, non-duplicated collections representing 49 species and 58 localities. There are a total of 21 collectors and 56 collection dates for the county. This results in a total of 67 expeditions for the county, a measure of unique date / collector(s) combinations. The county's earliest collection year is 1902 and its most recent collection year is 2021. The earliest and latest collection dates (independent of earliest and most recent collection years) are March 15 and December 16, respectively. If you have a new record to report for Morgan County, read the New Records section of the FAQ.

Collection Summary by Species

Collection summary for Morgan 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 3 3 3 1958 1966
Agkistrodon contortrix Eastern Copperhead 4 5 4 4 4 1940 1966
Ambystoma maculatum Spotted Salamander 1 1 1 1 1 1981 1981
Anaxyrus americanus American Toad 2 2 2 2 2 1969 1969
Anaxyrus fowleri Fowler's Toad 1 2 1 1 1 1963 1963
Apalone spinifera Northern Spiny Softshell 1 1 1 1 1 1966 1966
Aspidoscelis sexlineatus Prairie Racerunner 2 2 3 2 2 1962 2002
Chelydra serpentina North American Snapping Turtle 6 6 4 5 5 1948 2021
Chrysemys picta Western Painted Turtle 2 2 2 2 2 1987 2014
Coluber constrictor North American Racer 6 6 6 5 6 1940 2002
Crotalus horridus Timber Rattlesnake 1 1 1 1 1 1948 1948
Diadophis punctatus Ring-necked Snake 5 5 4 4 5 1905 2002
Dryophytes versicolor Gray Treefrog 2 2 2 2 2 1958 1968
Eurycea longicauda Long-tailed Salamander 1 1 1 1 1 1951 1951
Eurycea lucifuga Cave Salamander 1 1 1 1 1 1951 1951
Gastrophryne carolinensis Eastern Narrow-mouthed Toad 1 1 1 1 1 1981 1981
Heterodon platirhinos Eastern Hog-nosed Snake 5 7 3 6 6 1905 1969
Lampropeltis calligaster Prairie Kingsnake 2 2 2 2 2 2004 2013
Lampropeltis holbrooki Speckled Kingsnake 1 1 1 1 1
Lampropeltis triangulum Eastern Milksnake 2 4 1 2 2 1967 1969
Lithobates blairi Plains Leopard Frog 1 1 1 1 1 1997 1997
Lithobates catesbeianus North American Bullfrog 4 5 4 4 4 1939 1969
Lithobates palustris Pickerel Frog 1 1 1 1 1
Lithobates sphenocephalus Coastal Plains Leopard Frog 2 2 3 2 2 1939 1969
Masticophis flagellum Eastern Coachwhip 3 3 3 2 3 1966 1966
Necturus maculosus Mudpuppy 6 7 5 6 6 1905 1997
Nerodia sipedon Common Watersnake 3 3 4 3 3 1966 2013
Opheodrys aestivus Northern Rough Greensnake 2 2 1 1 1
Pantherophis emoryi Great Plains Ratsnake 1 1 1 1 1
Pantherophis obsoletus Western Ratsnake 4 4 2 3 3 2015 2019
Plestiodon anthracinus Southern Coal Skink 2 2 3 2 2 1969 2002
Plestiodon fasciatus Common Five-lined Skink 6 7 7 6 6 1962 2002
Plestiodon laticeps Broad-headed Skink 3 3 3 3 3 1966 1969
Plethodon albagula Western Slimy Salamander 2 2 3 2 2 1963 2002
Plethodon serratus Southern Red-backed Salamander 1 5 1 1 1 1965 1965
Pseudacris crucifer Spring Peeper 2 13 2 2 2 1968 1997
Pseudacris maculata Boreal Chorus Frog 1 2 1 1 1 1965 1965
Pseudemys concinna Eastern River Cooter 1 1 1 1 1 1968 1968
Sceloporus consobrinus Prairie Lizard 5 11 5 7 7 1902 2002
Scincella lateralis Little Brown Skink 2 5 3 3 4 1962 1991
Storeria dekayi DeKay's Brownsnake 2 2 1 2 2 1966 1966
Tantilla gracilis Flat-headed Snake 1 6 1 1 1 1963 1963
Terrapene ornata Ornate Box Turtle 3 3 3 3 3 1989 2013
Terrapene triunguis Three-toed Box Turtle 10 10 4 4 6 1967 2013
Thamnophis proximus Orange-striped Ribbonsnake 1 1 1 1 1
Thamnophis sirtalis Common Gartersnake 2 2 2 2 2 1966 1966
Trachemys scripta Red-eared Slider 3 3 3 3 3 1987 2002
Virginia striatula Rough Earthsnake 1 1 1 1 1 1967 1967
Virginia valeriae Western Smooth Earthsnake 1 1 1 1 1 1963 1963

Potential Species Records

Potential species for Morgan 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 Apalone mutica Midland Smooth Softshell Same watershed, within 5 miles Lamine
2 Carphophis vermis Western Wormsnake Same Level IV ecoregion, within 5 miles Osage/Gasconade Hills
2 Graptemys pseudogeographica False Map Turtle Same watershed, within 5 miles Lake of the Ozarks
2 Hemidactylium scutatum Four-toed Salamander Same Level IV ecoregion, within 5 miles Osage/Gasconade Hills
2 Lithobates areolatus Northern Crawfish Frog Same Level IV ecoregion, within 5 miles Prairie Ozark Border
2 Lithobates clamitans North American Green Frog Same Level IV ecoregion, within 5 miles Osage/Gasconade Hills
2 Ophisaurus attenuatus Western Slender Glass Lizard Same Level IV ecoregion, within 5 miles Prairie Ozark Border
2 Sternotherus odoratus Eastern Musk Turtle Same watershed, within 5 miles Lake of the Ozarks
2 Sternotherus odoratus Eastern Musk Turtle Same watershed, within 5 miles Lamine
2 Storeria occipitomaculata Red-bellied Snake Same Level IV ecoregion, within 5 miles Osage/Gasconade Hills
4 Cemophora coccinea Northern Scarletsnake Same Level IV ecoregion, within 10 miles Osage/Gasconade Hills
4 Eurycea nerea Northern Grotto Salamander Same Level IV ecoregion, within 10 miles Osage/Gasconade Hills
4 Graptemys geographica Northern Map Turtle Same watershed, within 10 miles Lower Osage
4 Graptemys geographica Northern Map Turtle Same watershed, within 10 miles Lake of the Ozarks
4 Notophthalmus viridescens Central Newt Same Level IV ecoregion, within 10 miles Osage/Gasconade Hills
6 Agkistrodon piscivorus Northern Cottonmouth Same watershed, within 20 miles Lower Osage
6 Ambystoma annulatum Ringed Salamander Same Level IV ecoregion, within 20 miles Osage/Gasconade Hills
6 Ambystoma opacum Marbled Salamander Same Level IV ecoregion, within 20 miles Osage/Gasconade Hills
6 Ambystoma texanum Small-mouthed Salamander Same Level IV ecoregion, within 20 miles Osage/Gasconade Hills
6 Ambystoma texanum Small-mouthed Salamander Same Level IV ecoregion, within 20 miles Prairie Ozark Border
6 Crotaphytus collaris Eastern Collared Lizard Same Level IV ecoregion, within 20 miles Osage/Gasconade Hills
6 Dryophytes cinereus Green Treefrog Same Level IV ecoregion, within 20 miles Osage/Gasconade Hills
6 Graptemys ouachitensis Ouachita Map Turtle Same watershed, within 20 miles Lamine
6 Nerodia rhombifer Northern Diamond-backed Watersnake Same Level IV ecoregion, within 20 miles Osage/Gasconade Hills
6 Regina grahamii Graham's Crawfish Snake Same watershed, within 20 miles Lamine
6 Tropidoclonion lineatum Lined Snake Same Level IV ecoregion, within 20 miles Osage/Gasconade Hills
6 Tropidoclonion lineatum Lined Snake Same Level IV ecoregion, within 20 miles Wooded Osage Plains
8 Nerodia erythrogaster Yellow-bellied Watersnake Same Level IV ecoregion, within 30 miles Wooded Osage Plains
8 Nerodia erythrogaster Yellow-bellied Watersnake Same Level IV ecoregion, within 30 miles Osage/Gasconade Hills
8 Sonora episcopa Great Plains Groundsnake Same Level IV ecoregion, within 30 miles Osage/Gasconade Hills
9 Ambystoma tigrinum Eastern Tiger Salamander Same Level III ecoregion, within 30 miles Ozark Highlands
9 Dryophytes chrysoscelis Cope's Gray Treefrog Same Level III ecoregion, within 30 miles Ozark Highlands
10 Anaxyrus woodhousii Rocky Mountain Toad Same Level IV ecoregion, adjacent county Osage/Gasconade Hills
11 Lithobates sylvaticus Wood Frog Same Level III ecoregion, adjacent county Ozark Highlands
11 Lithobates sylvaticus Wood Frog Same Level III ecoregion, adjacent county Central Irregular Plains

Checklist

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