1980s

• 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 Reference page. 

• Fredericq, S. & Hommersand, M.H. 1989. Comparative morphology and taxonomic status of Gracilariopsis (Gracilariales, Rhodophyta). Journal of Phycology 25: 228–241, 49 figs. Reference page. 

1990s

• Hommersand, M.H., Guiry, M.D., Fredericq, S. & Leister, G.L. 1993. New perspectives in the taxonomy of the Gigartinaceae (Gigartinales, Rhodophyta). Proceedings of the International Seaweed Symposium 14: 105–120, 41 figs. Reference page. 

• Hommersand, M.H., Fredericq, S. & Freshwater, D.W. 1994. Phylogenetic systematics and biogeography of the Gigartinaceae (Gigartinales, Rhodophyta) based on sequence analysis of rbcL. Botanica Marina 37: 193–203, 2 figs, 3 tables. Reference page. 
• Fredericq, S. & Norris, J.N. 1995. A new order (Rhodogorgonales) and family (Rhodogorgonaceae) of red algae composed of two tropical calciferous genera, Renouxia gen. nov. and Rhodogorgon. Cryptogamic Botany 4: 316–331.

• Hommersand, M.H. & Fredericq, S. 1997. Characterization of Myriogramme livida, Myriogrammeae trib. nov. (Delesseriaceae, Rhodophyta). Journal of Phycology 33: 106–121. Reference page. 

• Hommersand, M.H., Fredericq, S., Freshwater, D.W. & Hughey, J. 1999. Recent developments in the systematics of the Gigartinaceae (Gigartinales, Rhodophyta) based on rbcL sequence analysis and morphological evidence. Phycological Research 47: 139–152. DOI: 10.1046/j.1440-1835.1999.00168.x Reference page. 

2000s

• Lin, S.-M., Fredericq, S. & Liao, L.M. 2001. Neotypification and taxonomic status of Opephyllum martensii Schmitz in Schmitz et Hauptfleisch (Delesseriaceae, Rhodophyta) from Zamboanga, Southern Phillippines. Botanica Marina 44: 589–595. DOI: 10.1515/BOT.2001.065

• Lin, S.-M., Lewis, J.E. & Fredericq, S. 2002. Drachiella liaoii sp. nov., a new member of the Schizoserideae (Delesseriaceae, Rhodophyta) from Taiwan and the Philippines. European Journal of Phycology 37: 93–102. Reference page. 

• Gurgel, C.F.D., Fredericq, S. & Norris, J.N. 2003. Gracilariopsis silvana sp. nov., G. hommersandii sp. nov., and G. cata-luziana sp. nov., three new species of Gracilariaceae (Gracilariales, Rhodophyta) from the western Atlantic. Hidrobiologica 13: 57–68. Reference page. 

• Gurgel, C.F.D., Liao, L.M., Fredericq, S. & Hommersand, M.H. 2003. Systematics of Gracilariopsis (Gracilariales, Rhodophyta) based on rbcL sequence analyses and morphological evidence. Journal of Phycology 39: 154–171. Reference page. 

• Lin, S.-M., Fredericq, S. & Hommersand, M.H. 2004. Augophyllum, a new genus of the Delesseriaceae (Rhodophyta) based on rbcL sequence analysis and cystocarp development. Journal of Phycology 40: 962–976, 7 figs, 1 table. Reference page. 
• Lin, S.-M., Hommersand, M.H. & Fredericq, S. 2004. Two new species of Martensia (Delesseriaceae, Rhodophyta) from Kenting National Park, southern Taiwan. Phycologia 43: 13–25.

• Gavio, B. & Fredericq, S. 2005. New species and new records of offshore members of the Rhodymeniales (Rhodophyta) in the northern Gulf of Mexico. Gulf of Mexico Science 23: 58–83. Reference page. 

• Gavio, B., Hickerson, E. & Fredericq, S. 2005. Platoma chrysymenioides sp. nov. (Schizymeniaceae), and Sebdenia integra sp. nov. (Sebdeniaceae), two new red algal species from the Northwestern Gulf of Mexico, with a phylogenetic assessment of the Cryptonemiales complex (Rhodophyta). Gulf of Mexico Science 23: 38–57. Reference page. 

• Hommersand, M.H., Freshwater, D.W., Lopez-Bautista, J.M. & Fredericq, S. 2006. Proposal of the Euptiloteae Hommersand et Fredericq, trib. nov. and transfer of some southern hemisphere Ptiloteae to the Callithamnieae (Ceramiaceae, Rhodophyta). Journal of Phycology 42: 203–225.DOI: 10.1111/j.1529-8817.2006.00175.x Reference page. 
• N'Yeurt, A.D.R., Payri, C.E., Gabrielson, P.W. & Fredericq, S. 2006. Pinnatiphycus menouana gen. et sp. nov. (Rhodophyta: Dicranemataceae) from New Caledonia and Fiji (South Pacific): vegetative and reproductive morphology and molecular phylogeny. Phycologia 45: 422–431.

• Cho, T.O., Hommersand, M.H., Won, B.Y. & Fredericq, S. 2008. Generic boundaries and phylogeny of Campylaephora (Ceramiaceae, Rhodophyta), including Campylaephora californica (Farlow) comb. nov. Phycologia 47: 321–333. Reference page. 

• Cho, T.O., Boo, S.M., Hommersand, M.H., Maggs, C.A., McIvor, L. & Fredericq, S. 2008. Gayliella gen. nov. in the tribe Ceramieae (Ceramiaceae, Rhodophyta) based on molecular and morphological evidence. Journal of Phycology 44(3): 721–738, 11 figs. DOI: 10.1111/j.1529-8817.2008.00505.x Reference page. 
• Lin, S.-M., Hommersand, M.H., Fredericq, S. & de Clerck, O. 2009. Characterization of Martensia (Delesseriaceae, Rhodophyta) based on a morphological and molecular study of the type species, M. elegans, and M. natalensis sp. nov. from South Africa. Journal of Phycology 45(3): 678–691, 8 figs.

• Won, B.Y., Cho, T.O. & Fredericq, S. 2009. Morphological and molecular characterization of species of the genus Centroceras (Ceramiaceae, Ceramiales), including two new species. Journal of Phycology 45: 227–250. DOI: 10.1111/j.1529-8817.2008.00620.x Reference page. 

• Krayesky, D.M., Norris, J.N., Gabrielson, P.W., Gabriel, D. & Fredericq, S. 2009. A new order of red algae based on the Peyssonneliaceae, with an evaluation of the ordinal classification of the Florideophyceae (Rhodophyta). Proceedings of the Biological Society of Washington 122: 364–391. DOI: 10.2988/08-43.1 Reference page. 

• Hommersand, M.H., Moe, R.L., Amsler, C.D. & Fredericq, S. 2009. Notes on the systematics and biogeographical relationships of Antarctic and sub-Antarctic Rhodophyta with descriptions of four new genera and five new species. Botanica marina 52: 509–534. DOI: 10.1515/BOT.2009.081 Reference page. 

2010s

• Won, B.Y., Fredericq, S. & Cho, T.O. 2010. Two new species of Centroceras (Ceramiaceae, Rhodophyta) from KwaZulu-Natal, South Africa. European Journal of Phycology 45(3): 240–246. DOI: 10.1080/09670261003746219 Reference page. 

• Gabriel, D., Parente, I., Neto, A.I., Raposo, M., Schils, T. & Fredericq, S. 2010. Phylogenetic appraisal of the genus Platoma (Nemastomatales, Rhodophyta), including life history and morphological observations on P. cyclocolpum from the Azores. Phycologia 49(1): 2–21. DOI: 10.2216/07-99.1 Reference page. 

• Gabriel, D., Schils, T., Parente, M.I., Draisma, S.G.A., Neto, A.I. & Fredericq, S. 2011. Taxonomic studies in the Schizymeniaceae (Nemastomatales, Rhodophyta): on the identity of Schizymenia sp. in the Azores and the generic placement of Nemastoma confusum. Phycologia 50(2): 109–121. DOI: 10.2216/09-67.1 Reference page. 

• Krayesky, D.M., Norris, J.N., West, J.A. & Fredericq, S. 2011. The Caloglossa leprieurii-complex (Delesseriaceae, Rhodphyta) in the Americas: the elucidation of overlooked species based on molecular and morphological evidence. Cryptogamie Algologie 32(1): 37–62. Reference page. 

• Lin, S.-M., Fredericq, S. & Hommersand, M.H. 2012. Molecular phylogeny and developmental studies of Apoglossum and Paraglossum (Delesseriaceae, Rhodophyta) with a description of Apoglosseae trib. nov. European Journal of Phycology 47(4): 366–383. Reference page. 

• Sherwood, A.R., Necchi, O., Jr, Carlile, A.L., Laughinghouse, H.D.IV, Fredericq, S. & Sheath, R.G. 2012. Characterization of a novel freshwater gigartinalean red alga from Belize, with a description of Sterrocladia belizeana sp. nov. (Rhodophyta). Phycologia 51(6): 627–635. DOI: 10.2216/12-012.1 Reference page. 

• Krayesky, D.M., Norris, J.N., West, J.A., Kamiya, M., Viguerie, M., Wysor, B.S. & Fredericq, S. 2012. Two new species of Caloglossa (Delesseriaceae, Rhodophyta) from the Americas, C. confusa and C. fluviatilis. Phycologia 51(5): 513–530. DOI: 10.2216/11-57.1 Reference page. 
• Arakaki, N., Suzuki, M. & Fredericq, S. 2014. Halarachnion (Furcellariaceae, Rhodophyta), a newly reported genus for the Gulf of Mexico, with the description of Halarachnion louisianensis sp. nov.. Phycological Research 62(4): 306–315, 50 figs, 1 table. DOI: 10.1111/pre.12065

• Jeong, S.J., Won, B.Y., Fredericq, S. & Cho, T.O. 2016. Wynneophycus geminatus gen. & comb. nov. (Delesseriaceae, Rhodophyta), based on Hypoglossum geminatum Okamura. Phycologia 55(2): 165–177. DOI: 10.2216/15-94.1 Reference page. 

• Schmidt, W.E., Gurgel, C.F.D. & Fredericq, S. 2016. Taxonomic transfer of the red algal genus Gloiosaccion to Chrysymenia (Rhodymeniaceae, Rhodymeniales), including the description of a new species, Chrysymenia pseudoventricosa, for the Gulf of Mexico. Phytotaxa 243(1): 54–70. DOI: 10.11646/phytotaxa.243.1.2 Reference page. 

• Gabriel, D., Draisma, S.G.A., Sauvage, T., Schmidt, W.E., Schils, T., Lim, P.-E., Harris, D.J. & Fredericq, S. 2016. Multilocus phylogeny reveals Gibsmithia hawaiiensis (Dumontiaceae, Rhodophyta) to be a species complex from the Indo-Pacific, with the proposal of G. eilatensis sp. nov. Phytotaxa 277(1): 1–20, 8 figs. DOI: 10.11646/phytotaxa.277.1.1 Reference page. 

• Vieira, C., Camacho, O., Wynne, M.J., Mattio, L., Anderson, R.J., Bolton, J.J., Sansón, M., D'hondt, S., Leliaert, F., Fredericq, S., Payri, C. & De Clerck, O. 2016. Shedding new light on old algae: Matching names and sequences in the brown algal genus Lobophora (Dictyotales, Phaeophyceae). Taxon 65(4): 689–707. DOI: 10.12705/654.1 Reference page. 

• Schmidt, W.E., Lozada-Troche, C., Ballantine, D.L., Arakaki, N., Gabriel, D., Norris, J.N. & Fredericq, S. 2017. Taxonomic transfer of the red algae Chrysymenia enteromorpha and C. wrightii to the genus Botryocladia (Rhodymeniaceae, Rhodymeniales). Phytotaxa 324(2): 122–138, 30 figs, 2 tables. DOI: 10.11646/phytotaxa.324.2.2 Reference page.