Place of publication varies.
Title from cover.
Latest issue consulted: Vol. 35, no. 6, suppl. (Nov. 1996).
English, French, German, Russian, and Spanish.
Vols. for 1961-<May 1964, Nov. 1996-> published by: International Phycological Society; <Mar. 1983-1994> by: Blackwell Scientific Publications for the International Phycological Society.