Nerodia cyclopion (Duméril, Bibron and Duméril) — Mississippi Green Watersnake
Nerodia cyclopion (Dumril, Bibron and Dumril) Mississippi Green Watersnake

Click on Map for Enlarged View                          Click for Photo


Legend
     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
     Type locality
?      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. 

Literature Sources by Counties: Lake—Parker (1948), Gentry (1956), Eagar and Hatcher (1980), Gibbons and Dorcas (2004), Reiber (1941). Obion—Rhoads (1895), Goff (1936), Parker (1937a), Parker (1948), Gentry (1956), Eagar and Hatcher (1980), Gibbons and Dorcas (2004). Shelby—Gibbons and Dorcas (2004), Åsa and Steen (2016).

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

APSU Homepage |  APSU Department of Biology |  APSU Center for Field Biology
This document is being adapted to the WWW by Jean Langley, Floyd Scott, and Rusty Smith.