University Herbarium, UC Berkeley: Indian Ocean Catalogue

Fredericq, S., & M.H. Hommersand

1989a. 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.

Fredericq, S., & M.H. Hommersand

1989b. Comparative morphology and taxonomic status of Gracilariopsis (Gracilariales, Rhodophyta). Journal of Phycology 25: 228–241, 49 figs.

Fredericq, S., & M.[H.] Hommersand

1990a. Morphology and systematics of Holmsella pachyderma (Pterocladiophilaceae, Gracilariales). British Phycological Journal 25: 39–51, 40 figs.

Fredericq, S., & M.H. Hommersand

1990b. Diagnoses and key to the genera of the Gracilariaceae (Gracilariales, Rhodophyta). Hydrobiologia 204/205: 172–178, 14 figs.

Fredericq, S., & J.N. Norris

1985. Morphological studies on some tropical species of Gracilaria Grev. (Gracilariaceae, Rhodophyta): taxonomic concepts based on reproductive morphology. In I.A. Abbott & J.N. Norris (eds.), Taxonomy of economic seaweeds with reference to some Pacific and Caribbean species. La Jolla: California Sea Grant College Program [Report T-CSGCP-011]. Pp. 137–155, 26 figs., 1 table.

Fredericq, S., & J.N. Norris

1992. Studies on cylindrical species of western Atlantic Gracilaria (Gracilariales, Rhodophyta): G. cylindrica Børgesen and G. blodgettii Harvey. In I.A. Abbott (ed.), Taxonomy of economic seaweeds with reference to some Pacific and western Atlantic species. La Jolla: California Sea Grant College Program [Report T-CSGCP-023]. Vol. 3. Pp. 211–231, 61 figs.

Freshwater, D.W., S. Fredericq, & M.H. Hommersand

1995. A molecular phylogeny of the Gelidiales (Rhodophyta) based on analysis of plastid rbcL nucleotide sequences. Journal of Phycology 31: 616–632, 9 figs., 3 tables.

Hommersand, M.H., & S. Fredericq

1988. An investigation of cystocarp development in Gelidium pteridifolium with a revised description of the Gelidiales (Rhodophyta). Phycologia 27: 254–272, 34 figs.

Hommersand, M.H., S. Fredericq, & D.W. Freshwater

1994. Phylogenetic systematics and biogeography of the Gigartinaceae (Gigartinales, Rhodophyta) based on sequence analysis of rbcL. Botanica Marina 37: 193–203, 2 figs., III tables.

Hommersand, M.H., M.D. Guiry, S. Fredericq, & G.L. Leister

1993. New perspectives in the taxonomy of the Gigartinaceae (Gigartinales, Rhodophyta). Hydrobiologia 260/261: 105–120, 41 figs.

Norris, J.N., & S. Fredericq

1990. Studies on cylindrical species of western Atlantic Gracilaria (Gracilariales, Rhodophyta): G. cylindrica Børgesen and G. blodgettii Harvey. Journal of Phycology 26(suppl.): 20. [Abstract.]

Norris, R.E., M.H. Hommersand, & S. Fredericq

1987. Gelidium pteridifolium (Rhodophyceae), a new species from Natal and the eastern Cape. South African Journal of Botany 53: 375–380, 12 figs.