Elected American Association for the Advancement of Science (AAAS) Fellow 2002
A species of plant, Syngonium rayi, named in honor of, 1997 (http://life.ou.edu/pubs/Srayi/Syngonium_rayi.jpg, http://life.ou.edu/pubs/Srayi/Syngonium_rayi.pdf)
Phi Eta Sigma 1972; Phi Beta Kappa 1974; Phi Kappa Phi 1974; Omicron Delta Kappa 1975; Honors in Biology
