1980s

• Maggs, C.A. & Guiry, M.D. 1985. Life history and reproduction of Schmitzia hiscockiana sp. nov. (Rhodophyta, Gigartinales) from the British Isles. Phycologia 24: 297–310. Reference page. 

• Maggs, C.A. & Guiry, M.D. 1988 '1987'. Gelidiella calcicola sp. nov. (Rhodophyta) from the British Isles and northern France. British Phycological Journal 22: 417–434. Reference page. 

• Wilce, R.T. & Maggs, C.A. 1989. Reinstatement of the genus Haemescharia (Rhodophyta, Haemeschariaceae fam. nov.) for H. polygyna and H. hennedyi comb. nov. (=Petrocelis hennedyi). Canadian Journal of Botany 67: 1465–1479, 60 figs, 1 table. Reference page. 

• Maggs, C.A. & Pueschel, C.M. 1989. Morphology and development of Ahnfeltia plicata (Rhodophyta): proposal of Ahnfeltiales ord. nov. Journal of Phycology 25(2): 333–351, 95 figs. Reference page. 

1990s

• Maggs, C.A. & L′Hardy-Halos, M.-T. 1993. Nuclear staining in algal harbarium material: a reappraisal of the holotype of Callithamnion decompositum J. Agardh (Rhodophyta). Taxon 42: 521–530. DOI: 10.2307/1222531 JSTOR Reference page. 

• Maggs, C.A. & Hommersand, M.H. 1993. Seaweeds of the British Isles. Volume 1. Rhodophyta. Part 3A. Ceramiales. pp. [i]-xv, 1–444, 129 figs, map. London: HMSO. Reference page. 

• Nam, K.W., Maggs, C.A. & Garbary, D.J. 1994. Resurrection of the genus Osmundea with an emendation of the generic delineation of Laurencia (Ceramiales, Rhodophyta). Phycologia 33(5): 384–395, 38 figs, 3 tables. Reference page. 
• Maggs, C.A. & Ward, B.A. 1996. The genus Pikea (Dumontiaceae, Rhodophyta) in England and the north Pacific: comparative morphological, life history and molecular studies. Journal of Phycology 32: 176–193. DOI: 10.1111/j.0022-3646.1996.00176.x

2000s

• Wilce, R.T., Maggs, C.A. & Sears, J.R. 2003. Waernia mirabilis gen. nov., sp. nov. (Dumontiaceae, Gigartinales): a new noncoralline crustose red alga from the northwestern Atlantic Ocean and its relationship to Gainia and Blinksia. Journal of Phycology 39: 198–212.

• Hayden, H.S., Blomster, J., Maggs, C.A., Silva, P.C., Stanhope, M.J. & Waaland, J.R. 2003. Linnaeus was right all along: Ulva and Enteromorpha are not distinct genera. European Journal of Phycology. 38(3): 277–294. DOI: 10.1080/1364253031000136321 PDF Reference page. 

• Brodie, J., Maggs, C.A. & John, D.M. 2007. Green seaweeds of Britain and Ireland. pp. [i–v], vi–xii, 1–242, 101 figs. London: British Phycological Society. 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. 

• Leliaert, F., Rueness, J., Boedeker, C., Maggs, C.A., Cocquyt, E., Verbruggen, H. & De Clerck, O. 2009. Systematics of the marine microfilamentous green algae Uronema curvatum and Urospora microscopica (Chlorophyta). European Journal of Phycology 44(4): 487–496. DOI: 10.1080/09670260903229540 Reference page. 

2010s

• Morrow, C.C., Picton, B.E., Erpenbeck, D., Boury-Esnault, N., Maggs, C.A. & Allcock, A.L. 2012. Congruence between nuclear and mitochondrial genes in Demospongiae: A new hypothesis for relationships within the G4 clade (Porifera: Demospongiae). Molecular Phylogenetics and Evolution 62(1): 174–190. DOI: 10.1016/j.ympev.2011.09.016 Reference page. 

• Maggs, C.A., Le Gall, L., Mineur, F., Provan, J. & Saunders, G.W. 2013. Fredericqia deveauniensis, gen. et sp. nov. (Phyllophoraceae, Rhodophyta), a new cryptogenic species. Cryptogamie, Algologie 34: 273–296. DOI: 10.7872/crya.v34.iss2.2013.273 Reference page. 

• Sohrabipour, J., Lim, P.-E., Maggs, C.A. & Phang, S.-M. 2013. Two new species and two new records of Pterocladiella (Gelidiales) from Malaysia based on analyses of rbcL and coxI gene sequences. Phycologia 52(6): 517–537. DOI: 10.2216/12-123.1 Reference page. 

• Saunders, G.W., Filloramo, G., Dixon, K., Le Gall, L., Maggs, C.A. & Kraft, G.T. 2016. Multigene analyses resolve early diverging lineages in the Rhodymeniophycidae (Florideophyceae, Rhodphyta). Journal of Phycology 52(4): 505–522. DOI: 10.1111/jpy.12426 Reference page. 

• Díaz-Tapia, P., McIvor, L., Freshwater, D.W., Verbruggen, H., Wynne, M.J. & Maggs, C.A. 2017. The genera Melanothamnus Bornet & Falkenberg and Vertebrata S.F. Gray constitute well-defined clades of the red algal tribe Polysiphonieae (Rhodomelaceae, Ceramiales). European Journal of Phycology 52(1): 1–20, 77 figs. DOI: 10.1080/09670262.2016.1256436 Reference page. 

• Díaz-Tapia, P., Maggs, C.A., West, J.A. & Verbruggen, H. 2017. Analysis of chloroplast genomes and a supermatrix inform reclassification of the Rhodomelaceae (Rhodophyta). Journal of Phycology 53(5): 920–937. DOI: 10.1111/jpy.12553 Reference page. 

• Rousseau, F., Gey, D., Kurihara, A., Maggs, C.A., Martin-Lescanne, J., Payri, C., de Reviers, B., Sherwood, A.R. & Le Gall, L. 2017. Molecular phylogenies support taxonomic revision of three species of Laurencia (Rhodomelaceae, Rhodophyta), with the description of a new genus. European Journal of Taxonomy 269: 1–19, 6 figs. DOI: 10.5852/ejt.2017.269 Reference page.