1990s

• 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. 

• Kraft, G.T., Liao, L.M., Millar, A.J.K., Coppejans, E.G.G., Hommersand, M.H. & Wilson Freshwater, D. 1999. Marine benthic red algae (Rhodophyta) from Bulusan, Sorsogon Province, Southern Luzon, Philippines. The Philippine Scientist 36: 1–50. 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

• Thomas, D.T. & Freshwater, D.W. 2001. Studies of Costa Rican Gelidiales (Rhodophyta): four Caribbean taxa including Pterocladiella beachii sp. nov.. Phycologia 40: 340–350. DOI: 10.2216/i0031-8884-40-4-340.1

• Bailey, J.C., Gabel, J.E. & Freshwater, D.W. 2004. Nuclear 18S rRNA gene sequence analyses indicate that the Mastophoroideae (Corallinaceae, Rhodophyta) is a polyphyletic taxon. Phycologia 43: 3–12. DOI: 10.2216/i0031-8884-43-1-3.1 Reference page. 
• Tronchin, E.M., De Clerck, O., Freshwater, D.W., Bolton, J.J. & Anderson, R.J. 2004. Ptilophora leliaertii and Ptilophora coppejansii, two new species of Gelidiales (Rhodophyta) from South Africa. European Journal of Phycology 39: 395–410.

• Millar, A.J.K. & Freshwater, D.W. 2005. Morphology and molecular phylogeny of the marine algal order Gelidiales (Rhodophyta) from New South Wales, including Lord Howe and Norfolk Islands. Australian Systematic Botany 18: 215–263. 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. 

• Tronchin, E.M. & Freshwater, D.W. 2007. Four Gelidiales (Rhodophyta) new to southern Africa, Aphanta pachyrrhiza gen. et sp. nov., Gelidium profundum sp. nov., Pterocladiella caerulescens and P. psammophila sp. nov.. Phycologia 46(3): 325–348, 49 figs, 4 tables. Reference page. 

• Rodríguez-Prieto, C., Freshwater, D. W. & Sánchez, N. 2007. Vegetative and reproductive morphology of Gloiocladia repens (C. Agardh) Sánchez et Rodríguez-Prieto comb. nov. (Rhodymeniales, Rhodophyta), with a taxonomic re-assessment of the genera Fauchea and Gloiocladia. European Journal of Phycology 42(2): 145–162, 38 Figs, 3 Tables. Reference page. 

• Lin, S.-M. & Freshwater, D.W. 2008. The red algal genus Gelidiella (Gelidiales, Rhodophyta) from Taiwan, including Gelidiella fanii sp. nov. Phycologia 47: 168–176. Reference page. 

2010

• Freshwater, D.W., Tudor, K., O'Shaughnessy, K. & Wysor, B. 2010. DNA barcoding in the red algal order Gelidiales: comparison of COI with rbcL and verification of the "barcoding gap". Cryptogamie, Algologie 31(4): 435–449.
• Mamoozadeh, N.R. & Freshwater, D.W. 2011. Taxonomic notes on Caribbean Neosiphonia and Polysiphonia (Ceramiales, Florideophyceae): five species from Florida, USA and Mexico. Botanica Marina 54(3): 269–292.

• Schneider, C.W., Freshwater, D.W. & Saunders, G.W. 2012. First report of Halopeltis (Rhodophyta, Rhodymeniaceae) from the non-tropical Northern Hemisphere: H. adnata (Okamura) comb. nov. from Korea, and H. pellucida sp. nov. and H. willisii sp. nov. from the North Atlantic. Algae 27: 95–108, 5 figs. Reference page. 

• Grusz, A.L. & Freshwater, D.W. 2014. Studies of Costa Rican Gelidiales (Florideophyceae). II. Two Pacific taxa including Gelidium microglossum, n. sp. Pacific science 68(1): 97–110. DOI: 10.2984/68.1.9 Reference page. 
• Rodriguez-Prieto, C., Freshwater, D.W. & Hommersand, M.H. 2014. Morphology and phylogenetic systematics of Ptilocladiopsis horrida and proposal of the Ptilocladiopsidaceae fam. nov. (Gigartinales, Rhodophyta). Phycologia 53(4): 383-395. DOI: 10.2216/14-006.1

• Boo, G.H., Le Gall, L., Miller, K.A., Freshwater, D.W., Wernberg, T., Terada, R., Yoon, K.J. & Boo, S.M. 2016. A novel phylogeny of the Gelidiales (Rhodophyta) based on five genes including the nuclear CesA, with descriptions of Orthogonacladia gen. nov. and Orthogonacladiaceae fam. nov. Molecular Phylogenetics and Evolution 101: 359–372, 6 figs. DOI: 10.1016/j.ympev.2016.05.018 Reference page. 

• Iha, C., O'Shaughnessy, K.A., Guimarães, S.M.P.B., Oliveira, M.C. & Freshwater, D.W. 2016. Taxonomic reappraisal of Gelidium coarctacum (Gelidiales, Rhodophyta) and Gelidium lineare sp. nov. from the tropical western Atlantic. Phycologia 55(5): 555–563. DOI: 10.2216/16-17.1 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. 

• Freshwater, D.W., Idol, J.N., Parham, S.L., Fernández-García, C., León, N., Gabrielson, P.W. & Wysor, B. 2017. Molecular assisted identification reveals hidden red algae diversity from the Burica Peninsula, Pacific Panama. Diversity 9(19): 1–38, 31 figs. DOI: 10.3390/d9020019 Reference page.