US Status Definitions

For additional information, please go to NatureServe Explorer.

NatureServe Explorer
Status Under the U.S. Endangered Species Act
LE Listed endangered
LT Listed threatened
PE Proposed endangered
PT Proposed threatened
C Candidate
PDL Proposed for delisting
E(S/A) or T(S/A) Listed endangered or threatened because of similarity of appearance
XE Essential experimental population
XN Nonessential experimental population
PS Partial status - indicating that the status applies only to a portion of the species' range.
N or Blank Usually indicates that the taxon does not have any federal status. However, because of potential lag time between publication in the Federal Register and entry in the central databases and refresh of this website, some taxa may have a status which does not yet appear.