Phi Beta Kappa, Washington University, St. Louis (1962)
Secretary (1973-1975), Vice-President and Program Chairman (1976), and President (1977) of the Phycological Society of America
President of the International Phycological Society, 1988-1989
Darbaker Award of the Botanical Society of America for “exceptionally meritorious” research on the algae, June, 1971 (co-recipient)
G. W. Prescott Award, Phycological Society of America, 1987 (for the best phycological book or monograph published in the last two years: Bold & Wynne, “Introduction to the Algae…” 2nd ed., 1985)
“Excellence in Concentration Advising Award”, The College of Literature, Sciences, and the Arts, University of Michigan, Ann Arbor, 7 October, 2002
“The Award of Excellence” from the Phycological Society of America, presented at their annual meetings in Juneau, Alaska, 11 July, 2006
