| Reference no. | Description | year | Name used | Page |
|---|---|---|---|---|
| 80701 | Guiry, M.D. and G.M. Guiry 2009 AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 14 April 2009. | 2009 | Titanophycus validus | --> |
| 83908 | Bernecker, A. 2009 Marine benthic algae. p. 109-118 In Wehrtmann, I.S. and Cortés, J. 2009. Marine biodiversity of Costa Rica, Central America. Springer 538pp. | 2009 | Titanophycus validus | SPL 2.2, 61 |
| 116144 | Fredericq, S., T.O. Cho, S.A. Earle, C.F. Gurgel, D.M. Krayesky, L.E. Mateo-Cid, A.C. Mendoza-Gonzalez, J.N. Norris and A.M. Suarez 2009 Seaweeds of the Gulf of Mexico. pp. 187-259 In Felder, D.L.; Camp, D.K. (eds.) Gulf of Mexico - Origins, Waters, and Biota. Biodiversity. Texas A&M University Press, College Station, Texas. | 2009 | Liagora valida | 214 |