April 1, 1999 – The flatwoods salamander was listed as threatened under the Endangered Species Act.
April 1, 2005 – The Center, Wild South, and Florida Biodiversity Project filed suit to force critical habitat designation for the flatwoods salamander.
February 7, 2007 – In response to a settlement agreement reached in the Center's 2005 lawsuit, the Fish and Wildlife Service proposed designation of 31,428 acres of critical habitat for the flatwoods salamander.
January 25, 2008 – Settlement agreement modified to require a revised proposed critical habitat designation for the frosted flatwoods salamander and the reticulated flatwoods salamander (after a recognized taxonomic reclassification into 2 distinct species).
July 30, 2008 – Pursuant to the settlement agreement, the Service issued a revised proposed critical habitat rule.
February 10, 2009 – The Fish and Wildlife Service finalized its listing of the flatwoods salamander as two species, listing the frosted flatwoods salamander as threatened and the reticulated flatwoods salamander as endangered. In response to the Center's 2005 lawsuit, the Service designated 22,970 of protected critical habitat for the frosted flatwoods and 4,453 acres of protected critical habitat for the reticulated flatwoods salamander.
March 26, 2015 – The Center and Gulf Restoration Network filed a formal notice of intent to sue the Interior Department for failing to develop recovery plans for the frosted and reticulated flatwoods salamanders.