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Iron County, Missouri

Maps

Landmark Map

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

Natural Divisions Locality Map

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

Ecological Drainage Unit Locality Map

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

Major Watersheds Locality Map

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

Major Rivers Locality Map

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

Level I Ecoregion Locality Map

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

Level II Ecoregion Locality Map

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

Level III Ecoregion Locality Map

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

Level IV Ecoregion Locality Map

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

Presettlement Prairie Locality Map

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

Historical Vegetation Map

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

WaterPrairieBarrens / Scrub
ForestWoodlandOpen Woodland

Geology Locality Map

Geology locality map for Iron County, Missouri
Geology locality map for Iron 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

Iron County has a total of 265 valid, non-duplicated collections representing 48 species and 124 localities. There are a total of 76 collectors and 84 collection dates for the county. This results in a total of 114 expeditions for the county, a measure of unique date / collector(s) combinations. The county's earliest collection year is 1923 and its most recent collection year is 2025. The earliest and latest collection dates (independent of earliest and most recent collection years) are January 3 and November 13, respectively. If you have a new record to report for Iron County, read the New Records section of the FAQ.

Collection Summary by Species

Collection summary for Iron 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 7 12 9 6 6 1951 2020
Agkistrodon contortrix Eastern Copperhead 5 5 6 4 4 1991 2023
Agkistrodon piscivorus Northern Cottonmouth 1 1 1 1 1 1973 1973
Ambystoma maculatum Spotted Salamander 2 2 4 2 2 2007 2025
Ambystoma opacum Marbled Salamander 2 2 4 2 2 2002 2020
Anaxyrus americanus American Toad 6 8 10 7 7 1950 2020
Anaxyrus fowleri Fowler's Toad 2 2 2 1 2 1963 1963
Aspidoscelis sexlineatus Prairie Racerunner 1 1 2 1 1 1991 1991
Carphophis vermis Western Wormsnake 4 4 7 4 4 1923 2009
Coluber constrictor North American Racer 3 3 2 3 3 1950 2009
Crotalus horridus Timber Rattlesnake 3 3 3 3 3 2009 2023
Crotaphytus collaris Eastern Collared Lizard 8 10 9 6 8 1954 2009
Diadophis punctatus Ring-necked Snake 8 10 9 6 7 1950 2020
Dryophytes versicolor Gray Treefrog 2 2 2 1 2 1963 1963
Eurycea longicauda Long-tailed Salamander 13 34 26 11 23 1950 2020
Eurycea lucifuga Cave Salamander 9 11 10 8 11 1930 2023
Graptemys geographica Northern Map Turtle 1 1 2 1 1 2009 2009
Hemidactylium scutatum Four-toed Salamander 1 1 1 1 1 1979 1979
Heterodon platirhinos Eastern Hog-nosed Snake 3 3 3 3 3 1972 2003
Lampropeltis calligaster Prairie Kingsnake 2 2 5 2 2 1981 1981
Lampropeltis holbrooki Speckled Kingsnake 5 6 10 5 6 1933 2009
Lampropeltis triangulum Eastern Milksnake 2 2 2 2 2 1981 2009
Lithobates catesbeianus North American Bullfrog 3 3 3 3 3 1941 1963
Lithobates clamitans North American Green Frog 1 1 1 1 1 1933 1933
Lithobates palustris Pickerel Frog 1 1 1 1 1 2009 2009
Lithobates sphenocephalus Coastal Plains Leopard Frog 1 1 1 1 1 1933 1933
Lithobates sylvaticus Wood Frog 1 1 2 1 1 2015 2015
Necturus maculosus Mudpuppy 1 1 1 1 1 1997 1997
Nerodia sipedon Common Watersnake 2 2 4 2 2 1933 1933
Notophthalmus viridescens Central Newt 2 2 3 2 2 2001 2009
Opheodrys aestivus Northern Rough Greensnake 2 2 3 2 2 1979 2020
Ophisaurus attenuatus Western Slender Glass Lizard 2 3 3 2 2 1999 2009
Pantherophis emoryi Great Plains Ratsnake 1 1 2 1 1 2009 2009
Pantherophis obsoletus Western Ratsnake 4 4 6 4 4 1991 2020
Plestiodon anthracinus Southern Coal Skink 1 1 1 1 1 2009 2009
Plestiodon fasciatus Common Five-lined Skink 9 11 10 9 10 1923 2009
Plethodon albagula Western Slimy Salamander 7 22 10 10 14 1963 2009
Plethodon serratus Southern Red-backed Salamander 15 30 15 24 27 1959 2023
Pseudacris crucifer Spring Peeper 2 2 3 2 2 1950 2009
Pseudacris feriarum Upland Chorus Frog 1 1 1 1 1 1950 1950
Sceloporus consobrinus Prairie Lizard 13 23 10 10 10 1923 2020
Scincella lateralis Little Brown Skink 2 3 2 2 2 1971 2009
Sternotherus odoratus Eastern Musk Turtle 2 2 3 1 1
Tantilla gracilis Flat-headed Snake 4 4 5 3 3 1962 2009
Terrapene ornata Ornate Box Turtle 1 2 1 1 1
Terrapene triunguis Three-toed Box Turtle 7 9 12 7 7 1940 2020
Thamnophis sirtalis Common Gartersnake 4 4 6 4 4 1933 2022
Virginia valeriae Western Smooth Earthsnake 4 4 5 4 4 1974 2009

Potential Species Records

Potential species for Iron 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 spinifera Northern Spiny Softshell Same watershed, within 5 miles Upper Black
2 Apalone spinifera Northern Spiny Softshell Same watershed, within 5 miles Upper St. Francis
2 Chelydra serpentina North American Snapping Turtle Same Level IV ecoregion, within 5 miles St. Francois Knobs and Basins
2 Chelydra serpentina North American Snapping Turtle Same Level IV ecoregion, within 5 miles Current River Hills
2 Dryophytes cinereus Green Treefrog Same Level IV ecoregion, within 5 miles Current River Hills
2 Macrochelys temminckii Western Alligator Snapping Turtle Same watershed, within 5 miles Upper St. Francis
2 Masticophis flagellum Eastern Coachwhip Same Level IV ecoregion, within 5 miles St. Francois Knobs and Basins
2 Necturus louisianensis Red River Mudpuppy Same Level IV ecoregion, within 5 miles Current River Hills
2 Necturus louisianensis Red River Mudpuppy Same Level IV ecoregion, within 5 miles St. Francois Knobs and Basins
2 Nerodia erythrogaster Yellow-bellied Watersnake Same Level IV ecoregion, within 5 miles St. Francois Knobs and Basins
2 Pituophis catenifer Bullsnake Same Level IV ecoregion, within 5 miles St. Francois Knobs and Basins
2 Plestiodon laticeps Broad-headed Skink Same Level IV ecoregion, within 5 miles St. Francois Knobs and Basins
2 Pseudemys concinna Eastern River Cooter Same watershed, within 5 miles Upper Black
2 Pseudemys concinna Eastern River Cooter Same watershed, within 5 miles Upper St. Francis
2 Sistrurus miliarius Western Pygmy Rattlesnake Same Level IV ecoregion, within 5 miles St. Francois Knobs and Basins
2 Storeria dekayi DeKay's Brownsnake Same Level IV ecoregion, within 5 miles St. Francois Knobs and Basins
2 Storeria occipitomaculata Red-bellied Snake Same Level IV ecoregion, within 5 miles St. Francois Knobs and Basins
2 Trachemys scripta Red-eared Slider Same Level IV ecoregion, within 5 miles Meramec River Hills
2 Trachemys scripta Red-eared Slider Same Level IV ecoregion, within 5 miles Current River Hills
2 Virginia striatula Rough Earthsnake Same Level IV ecoregion, within 5 miles St. Francois Knobs and Basins
4 Apalone mutica Midland Smooth Softshell Same watershed, within 10 miles Upper St. Francis
4 Dryophytes chrysoscelis Cope's Gray Treefrog Same Level IV ecoregion, within 10 miles St. Francois Knobs and Basins
4 Thamnophis proximus Orange-striped Ribbonsnake Same Level IV ecoregion, within 10 miles Meramec River Hills
6 Ambystoma texanum Small-mouthed Salamander Same Level IV ecoregion, within 20 miles St. Francois Knobs and Basins
6 Eurycea nerea Northern Grotto Salamander Same Level IV ecoregion, within 20 miles Current River Hills
6 Gastrophryne carolinensis Eastern Narrow-mouthed Toad Same Level IV ecoregion, within 20 miles Current River Hills
7 Ambystoma annulatum Ringed Salamander Same Level III ecoregion, within 20 miles Ozark Highlands
7 Chrysemys picta Western Painted Turtle Same Level III ecoregion, within 20 miles Ozark Highlands
7 Siren nettingi Western Lesser Siren Same Level III ecoregion, within 20 miles Ozark Highlands
8 Cryptobranchus alleganiensis Hellbender Same watershed, within 30 miles Meramec
8 Graptemys ouachitensis Ouachita Map Turtle Same watershed, within 30 miles Upper Black
8 Graptemys ouachitensis Ouachita Map Turtle Same watershed, within 30 miles Meramec
8 Graptemys ouachitensis Ouachita Map Turtle Same watershed, within 30 miles Big
9 Ambystoma talpoideum Mole Salamander Same Level III ecoregion, within 30 miles Ozark Highlands
9 Ambystoma tigrinum Eastern Tiger Salamander Same Level III ecoregion, within 30 miles Ozark Highlands
9 Chrysemys dorsalis Southern Painted Turtle Same Level III ecoregion, within 30 miles Ozark Highlands
9 Kinosternon subrubrum Mississippi Mud Turtle Same Level III ecoregion, within 30 miles Ozark Highlands
9 Nerodia fasciata Broad-banded Watersnake Same Level III ecoregion, within 30 miles Ozark Highlands
9 Nerodia rhombifer Northern Diamond-backed Watersnake Same Level III ecoregion, within 30 miles Ozark Highlands
9 Pseudacris fouquettei Cajun Chorus Frog Same Level III ecoregion, within 30 miles Ozark Highlands
9 Scaphiopus holbrookii Eastern Spadefoot Same Level III ecoregion, within 30 miles Ozark Highlands
10 Graptemys pseudogeographica False Map Turtle Adjacent county, same watershed Meramec
10 Graptemys pseudogeographica False Map Turtle Adjacent county, same watershed Upper Black

Checklist

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