August 2, 1995 – The San Bernardino bluegrass was proposed for listing under the Endangered Species Act
September 14, 1998 – The U.S. Fish and Wildlife Service officially listed the San Bernardino bluegrass as an endangered species.
September 13, 2004 – The Center filed a lawsuit to compel the Bush administration to follow federal law and designate critical habitat for the San Bernardino bluegrass.
August 7, 2007 – More than 3,000 acres of high mountain meadows in San Diego and San Bernardino counties were proposed as critical habitat for the bluegrass.
August 14, 2008 – The Service dealt a big blow to the San Bernardino bluegrass when it issued its final critical habitat designation for the plant, slashing 500 acres of vital habitat from the original proposal.