Template:Fredericq & Hommersand, 1989a
- Fredericq, S. & Hommersand, M.H. 1989. Proposal of the Gracilariales ord. nov. (Rhodophyta) based on an analysis of the reproductive development of Gracilaria verrucosa. Journal of Phycology 25: 213–227, 57 figs. DOI: 10.1111/j.1529-8817.1989.tb00116.x