Citation: Midtgaard, Rune. RepFocus - A Survey of the Reptiles of the World. (www.repfocus.dk).
Latest update: December 31st, 2022.
 
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Genus
Nerodia
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North American Water Snakes
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Amerikanische Wassernattern oder Schwimmnattern
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Amerikanske Vandsnoge
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1853 |  |
Nerodia Baird (type species: Coluber sipedon Linnaeus 1758) |
Contents:
10 species, of which 6 (60.0%) are endemic.
Endemism: 0%  100%
Remarks:
Previously included in
Natrix, but separated from that genus by Rossman & Eberle (1977). Until recently, the genus included three species now placed in
Thamnophis (melanogaster, rufipunctatus, validus) (e.g., Conant 1969; Chiasson & Lowe 1989).
Distribution:
E. and C. North America.
Reported from:
Canada
(Ontario,
Quebec),
Mexico
(Campeche,
Chiapas,
Chihuahua,
Coahuila,
Durango,
Hidalgo,
Nuevo Leon,
Puebla,
San Luis Potosi,
Tabasco,
Tamaulipas,
Veracruz,
Zacatecas),
USA
(Alabama,
Arkansas,
Colorado,
Connecticut,
Delaware,
Florida,
Georgia,
Illinois,
Indiana,
Iowa,
Kansas,
Kentucky,
Louisiana,
Maine,
Maryland,
Massachusetts,
Michigan,
Minnesota,
Mississippi,
Missouri,
Nebraska,
New Hampshire,
New Jersey,
New Mexico,
New York
[incl.
Long Island],
North Carolina,
Ohio,
Oklahoma,
Pennsylvania,
Rhode Island,
South Carolina,
South Dakota,
Tennessee,
Texas,
Utah,
Vermont,
Virginia,
Washington, D.C.,
West Virginia,
Wisconsin).
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Nerodia clarkii
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Salt Marsh Water Snake, Salt Marsh Snake
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Marsch-Wassernatter
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Amerikansk Marsksnog, Mangrove-marsksnog (compressicauda)
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1853 | |
Regina clarkii Baird & Girard |
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Tropidonotus clarkii Boulenger 1893 |
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Natrix clarki Allen 1932 |
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Natrix sipedon clarkii Clay 1938 |
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Nerodia clarkii Lawson 1987 |
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Nerodia fasciata clarkii Lawson, Meier, Frank & Moler 1991 |
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1860 | |
Nerodia compressicauda Kennicott |
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Tropidonotus compressicauda Boulenger 1893 |
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Natrix compressicauda Cope 1889 |
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Nerodia clarkii compressicauda Lawson 1987 |
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Nerodia fasciata compressicauda Lawson, Meier, Frank & Moler 1991 |
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1860 | |
Tropidonotus compsolaemus Cope (Gibbons & Dorcas 2004) |
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1860 | |
Natrix ustus Cope (Gibbons & Dorcas 2004) |
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1861 | |
Tropidonotus cubanus Gundlach (Schwartz & Henderson 1988; Gibbons & Dorcas 2004) |
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1883 | |
Natrix compressicaudus walkeri Yarrow (Gibbons & Dorcas 2004) |
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1889 | |
Natrix compressicauda bivittata Cope (Gibbons & Dorcas 2004) |
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1894 | |
Natrix compressicauda obscura Lönnberg (Gibbons & Dorcas 2004) |
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1895 | |
Natrix compressicauda taeniata Cope (Gibbons & Dorcas 2004) |
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Natrix sipedon taeniata Carr & Goin 1942 |
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Nerodia fasciata taeniata Lawson, Meier, Frank & Moler 1991 |
Other common names:
clarki: Gulf Salt Marsh Water Snake
compressicauda: Mangrove Salt Marsh Water Snake
taeniata: Atlantic Salt Marsh Water Snake
Remarks:
Previously regarded as a subspecies of sipedon or, more recently, fasciata.
Introduced to:
Cuba.
Distribution:
USA
(Alabama,
Florida,
Louisiana,
Mississippi,
Texas).
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Nerodia cyclopion
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Western Green Water Snake, Mississippi Green Water Snake
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Westliche Grüne Wassernatter
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Vestlig Grøn Vandsnog
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1854 | |
Tropidonotus cyclopion Dumeril, Bibron & Dumeril |
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Natrix cyclopium [sic] Cope 1862 |
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Natrix cyclopion Goff 1936 |
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Nerodia cyclopion Rossman & Eberle 1977 |
Remarks:
Previously included floridana.
Distribution:
USA
(Alabama,
Arkansas,
Florida,
Illinois,
Kentucky,
Louisiana,
Mississippi,
Missouri,
Tennessee,
Texas).
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Nerodia erythrogaster
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Plain-bellied Water Snake
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Rotbauch-Wassernatter
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Rødbuget Vandsnog
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1771 | |
Coluber erythrogaster Forster |
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Tropidonotus erythrogaster Holbrook 1842 |
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Tropidonotus sipedon erythrogaster Cope 1875 |
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Natrix fasciata erythrogaster Cope 1888 |
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Nerodia erythrogaster Baird & Girard 1853 |
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Nerodia sipedon erythrogaster Garman 1892 |
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Tropidonotus fasciatus erythrogaster Boulenger 1893 |
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Natrix sipedon erythrogaster Hay 1892 |
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Natrix erythrogaster Clark 1903 |
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1852 | |
Tropidonotus transversus Hallowell (Gibbons & Dorcas 2004) |
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Natrix fasciata transversa Cope 1892 |
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Tropidonotus sipedon transversus Brown 1901 |
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Natrix erythrogaster transversa Taylor 1929 |
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Natrix sipedon transversa Stone 1903 |
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Tropidonotus fasciatus transversus Ditmars 1907 |
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Natrix transversa Burt & Burt 1929 |
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Thamnophis erythrogaster transversa [lapsus] Smith & Smith 1976 |
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Nerodia erythrogaster transversa Bernard & Brown 1977 |
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1853 | |
Nerodia woodhousei Baird & Girard (Gibbons & Dorcas 2004) |
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Tropidonotus woodhousei Cope 1860 |
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Tropidonotus sipedon woodhousei Cope 1875 |
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Natrix sipedon woodhouseii Hay 1892 |
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Natrix erythrogaster woodhousii Viosca 1924 |
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1860 | |
Nerodia couchii Kennicott (Rossman, Ford & Seigel 1996; Gibbons & Dorcas 2004) |
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Tropidonotus couchii Cope 1860 |
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Tropidonotus sipedon couchii Cope 1875 |
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1887 | |
Tropidonotus bisectus Cope (Gibbons & Dorcas 2004) |
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1917 | |
Tropidonotus roulei Chabanaud (Boundy & David 2015) |
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1949 | |
Natrix erythrogaster flavigaster Conant |
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Nerodia erythrogaster flavigaster Mushinsky & Hebrard 1977 |
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1949 | |
Natrix erythrogaster neglecta Conant |
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Nerodia erythrogaster neglecta Collins & al. 1978 |
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1953 | |
Natrix erythrogaster bogerti Conant |
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Natrix bogerti Smith & Smith 1976 |
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Nerodia erythrogaster bogerti Fitch 1981 |
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1963 | |
Natrix erythrogaster alta Conant |
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Nerodia erythrogaster alta McCranie 1990 |
Other common names:
alta: Aguanaval Water Snake
bogerti: Nazas Water Snake
erythrogaster: Red-bellied Water Snake
flavigaster: Yellow-bellied Water Snake
neglecta: Copper-bellied Water Snake
transversa: Blotched Water Snake
Distribution:
Mexico
(Chihuahua,
Coahuila,
Durango,
Nuevo Leon,
Tamaulipas,
Zacatecas),
USA
(Alabama,
Arkansas,
Delaware,
Florida,
Georgia,
Illinois,
Indiana,
Iowa,
Kansas,
Kentucky,
Louisiana,
Maryland,
Michigan,
Mississippi,
Missouri,
New Mexico,
North Carolina,
Ohio,
Oklahoma,
South Carolina,
Tennessee,
Texas,
Virginia,
Wisconsin).
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Nerodia fasciata
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North American Banded Water Snake, Southern Water Snake
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Gebänderte Wassernatter, Südliche Schwimmnatter
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Nordamerikansk Båndet Vandsnog
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1766 | |
Coluber fasciatus Linnaeus |
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Tropidonotus fasciatus Holbrook 1842 |
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Nerodia fasciata Baird & Girard 1853 |
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Natrix fasciata Cope 1895 |
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Natrix sipedon fasciata Stejneger & Barbour 1917 |
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1801 | |
Coluber porcatus Latreille (Gibbons & Dorcas 2004) |
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1858 | |
Tropidonotus medusa Günther (Gibbons & Dorcas 2004) |
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1895 | |
Natrix fasciata pictiventris Cope |
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Natrix sipedon pictiventris Stejneger & Barbour 1917 |
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Nerodia fasciata pictiventris Lawson 1987 |
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1923 | |
Natrix fasciata confluens Blanchard |
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Natrix sipedon confluens Stejneger & Barbour 1933 |
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Nerodia fasciata confluens Lawson 1987 |
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1943 | |
Natrix sipedon engelsi Barbour (Gibbons & Dorcas 2004) |
Other common names:
confluens: Broad-banded Water Snake
fasciata: Southern Banded Water Snake
pictiventris: Florida Banded Water Snake
Remarks:
Previously included three other subspecies (clarki, compressicauda, taeniata) now all included under clarki. Although some authors have regarded fasciata and sipedon as conspecific (e.g., Blaney & Blaney 1979), the two forms are now considered separate species (e.g., Conant 1963).
Balfour & Stitt's (2002) record of the subspecies fasciata in California (introduced) refer to pictiventris (Balfour, Stitt, Fuller & Luckau 2007).
Introduced to:
USA
(California).
Distribution:
USA
(Alabama,
Arkansas,
Florida,
Georgia,
Illinois,
Kentucky,
Louisiana,
Mississippi,
Missouri,
North Carolina,
Oklahoma,
South Carolina,
Tennessee,
Texas).
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Nerodia floridana
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Eastern Green Water Snake, Florida Green Water Snake
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Östliche Grüne Wassernatter
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Østlig Grøn Vandsnog
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1936 | |
Natrix cyclopion floridana Goff |
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Nerodia cyclopion floridana Rossman & Eberle 1977 [by implication] |
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Nerodia floridana Lawson 1987 |
Distribution:
USA
(Alabama,
Florida,
Georgia,
South Carolina).
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Nerodia harteri
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Brazos River Water Snake, (Harter's Water Snake)
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Brazos-Wassernatter
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Brazos-vandsnog
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1941 | |
Natrix harteri Trapido |
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Nerodia harteri Rossman & Eberle 1977 |
Remarks:
Previously included paucimaculata.
Distribution:
USA
(Texas).
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Nerodia paucimaculata
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Concho Water Snake
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Concho-Wassernatter
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Concho-vandsnog
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1961 | |
Natrix harteri paucimaculata Tinkle & Conant |
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Nerodia harteri paucimaculata Rossman & Eberle 1977 [by implication] |
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Nerodia paucimaculata Rose & Selcer 1989 |
Remarks:
Rose & Selcer (1989) suggested recognition of paucimaculatus as a separate species. This was supported by Collins (1991) and Densmore, Rose & Kain (1992), however, Gibbons & Dorcas (2004) retained it as a synonym of harteri.
Distribution:
USA
(Texas).
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Nerodia rhombifer
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Diamondback Water Snake
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Diamant-Wassernatter
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Nordamerikansk Rudesnog
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1852 | |
Tropidonotus rhombifer Hallowell |
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Nerodia rhombifer Baird & Girard 1853 |
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Natrix rhombifer Jordan 1888 |
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Nerodia sipedon rhombifer Garman 1892 |
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Tropidonotus fasciatus rhombifer Boulenger 1893 |
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Natrix taxispilota rhombifera Cliburn 1956 |
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1853 | |
Nerodia holbrookii Baird & Girard (Gibbons & Dorcas 2004) |
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1938 | |
Natrix rhombifera blanchardi Clay |
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Nerodia rhombifera blanchardi Rossman & Eberle 1977 [by implication] |
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1953 | |
Natrix rhombifera werleri Conant |
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Nerodia rhombifera werleri Rossman & Eberle 1977 [by implication] |
Other common names:
blanchardi: Tampico Diamondback Water Snake
rhombifer: Northern Diamondback Water Snake
werleri: Tabasco Diamondback Water Snake
Distribution:
Mexico
(Campeche,
Chiapas,
Coahuila,
Hidalgo,
Nuevo Leon,
Puebla,
San Luis Potosi,
Tabasco,
Tamaulipas,
Veracruz),
USA
(Alabama,
Arkansas,
Florida,
Illinois,
Indiana,
Iowa,
Kansas,
Kentucky,
Louisiana,
Mississippi,
Missouri,
Oklahoma,
Tennessee,
Texas).
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Nerodia sipedon
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Northern Water Snake
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Siegelringel-Natter
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Nordlig Amerikansk Vandsnog
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1758 | |
Coluber sipedon Linnaeus |
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Tropidonotus fasciatus sipedon Boulenger 1893 |
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Natrix sipedon Kirsch 1895 |
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Nerodia sipedon Rossman & Eberle 1977 |
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1839 | |
Coluber poecilogaster Wied (Gibbons & Dorcas 2004) |
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1842 | |
Tropidonotus niger Holbrook [not Tropidonotus natrix var. nigra Nordmann 1840] (Gibbons & Dorcas 2004) |
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1853 | |
Nerodia agassizii Baird & Girard (Gibbons & Dorcas 2004) |
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1857 | |
Tropidonotus obliquus Hallowell (Gibbons & Dorcas 2004) |
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1892 | |
Natrix fasciata pleuralis Cope |
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Natrix sipedon pleuralis Clay 1938 |
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Nerodia sipedon pleuralis Lawson 1987 |
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1937 | |
Natrix sipedon insularum Conant & Clay |
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Nerodia sipedon insularum Lawson 1987 |
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1973 | |
Natrix sipedon williamengelsi Conant & Lazell [substitute name for Natrix sipedon engelsi Barbour 1943, according to Gibbons & Dorcas 2004] |
Other common names:
insularum: Lake Erie Water Snake
pleuralis: Midland Water Snake
sipedon: Common Water Snake
williamengelsi: Carolina Water Snake, Carolina Salt Marsh Snake
Remarks:
Previously included clarkii and fasciata (e.g., Schmidt 1953).
Introduced to:
USA
(California).
Distribution:
Canada
(Ontario,
Quebec),
USA
(Alabama,
Arkansas,
Colorado,
Connecticut,
Delaware,
Florida,
Georgia,
Illinois,
Indiana,
Iowa,
Kansas,
Kentucky,
Louisiana,
Maine,
Maryland,
Massachusetts,
Michigan,
Minnesota,
Mississippi,
Missouri,
Nebraska,
New Hampshire,
New Jersey,
New York
[incl.
Long Island],
North Carolina,
Ohio,
Oklahoma,
Pennsylvania,
Rhode Island,
South Carolina,
South Dakota,
Tennessee,
Texas,
Utah,
Vermont,
Virginia,
Washington, D.C.,
West Virginia,
Wisconsin).
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Nerodia taxispilota
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American Brown Water Snake
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Braune Wassernatter
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Amerikansk Brun Vandsnog
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1838 | |
Coluber taxispilotus Holbrook |
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Tropidonotus taxispilotus Holbrook 1842 |
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Nerodia taxispilota Baird & Girard 1853 |
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Natrix taxispilota Cope 1889 |
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1887 | |
Tropidonotus taxispilotus brocki Heilprin (Gibbons & Dorcas 2004) |
Distribution:
USA
(Alabama,
Florida,
Georgia,
North Carolina,
South Carolina,
Virginia).
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