1942
Born to Claris Eugene Jones Sr. and Clara Elizabeth (Elliott) Jones in Columbus, OH.
1964
Earns a Bachelor of Science in biological science and history-government from Ohio University.
1966
Marries Teresa Diane Wagner on June 26.
1969
Earns a Doctor of Philosophy in botany from Indiana University.
1969
Teaches as an assistant professor of botany at California State University, Fullerton, through 1973.
1969
Is the director of the Fay A. MacFadden Herbarium at California State University, Fullerton, through 2010.
1970
Is the founding director of the Fullerton Arboretum at California State University, Fullerton.
1972
Is president of the Arboretum Board of Directors within the Arboretum Society Inc. at California State University, Fullerton, through 1978.
1973
Teaches as an associate professor of botany at California State University, Fullerton.
1977
Teaches as a professor of botany at California State University, Fullerton, through 2005.
1989
Is the chair of the Fullerton Arboretum Advisory Board through 1996.
1989
Is the chair of the Department of Biological Science at California State University, Fullerton, through 2004.
1997
Earns the Lynne K. McVeigh Award for Exceptional Service to Students.
2000
Receives the Outstanding Service to Students Recognition Award and receives it again in 2002.
2000
Is named Faculty Marshal of the School of Nature Science and Mathematics within California State University, Fullerton.
2005
Is a member of the Fullerton Arboretum Commission through 2015.
2005
Is named professor emeritus of botany by California State University, Fullerton, and presently maintains this title.
2006
Is vice president of Fullerton Arboretum Commission through 2008 and again assumes this role from 2013 to 2015.
2008
Is president of the Fullerton Arboretum Commission through 2013.
2020
Maintains membership with organizations such as the American Institute of Biological Science and Botanical Society of America, among others.