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|Exact locality, based on specimen(s) or photographs examined|
|Exact locality, based on literature record believed valid|
|Approximate locality based on specimen(s) or photographs examined|
|Approximate locality based on literature record believed valid|
|County record only, based on specimens or photographs examined|
|County record only, based on literature report believed valid|
|?||Questionable and/or problematic record|
Taxonomy: There are no currently recognized subspecies of the Mississippi Green Watersnake (Crother et al. 2012).
Distribution: This species is known from only three counties in Tennessee, all in the extreme western part of the state.
Museum Records by Counties: Lake—KU 21801, 144821; MoSU R783, R3683, R3684-R3687; UTKVZC 6638, 6738. Obion—APSU 17717, 17718; MSU 1254; UMMZ 84409; USNM 103097, 103098. Shelby—APSU 13375.
Questionable and/or Erroneous Records: None.
Conservation Status: Tennessee populations of Nerodia cyclopion are considered Wildlife in Need of Management by the Tennessee Wildlife Resources Commission (Proclamation 00-14, Wildlife in Need of Management) and are given a state ranking of S2 (extremely rare and critically imperiled in the state with five or fewer occurrences, or very few remaining individuals, or because of some special condition where the species is particularly vulnerable to extinction) by the Tennessee Department of Environment and Conservation, Division of Natural Heritage (Tennessee Department of Environment and Conservation 2004).
Posted: 14 July 2008
Latest Revision: 27 January 2017