Thallus flat, homogenous yellow-brown to darker brown,  with fairly regular dichotomous branches with parallel sides to 30 cm long, the tips usually bifid. Branches 3 to 12 mm wide, membranous, without a mid-rib.

Link for (Pereira, 2010) Handbook Guide

Original publication: Lamouroux, J.V.F. (1809). Exposition des caractères du genre Dictyota, et tableau des espèces qu'il renferem. Journal de Botanique, Desvaux 2: 38-44.

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Børgesen, F. (1953). Some marine algae from Mauritius. Additions to the parts previously published. V. Kongelige Danske Videnskabernes Selskab, Biologiske Meddleleser 21(9): 62, 20 figs, 3 plates.

Dawson, E.Y. (1950). Notes on some Pacific Mexican Dictyotaceae.. Bulletin of the Torrey Botanical Club 77: 83-93, 3 figs.

De Clerck, O. (2003). The genus Dictyota in the Indian Ocean. Opera Botanica Belgica 13: 1-205, 54 figs, 12 tables.

Loiseaux-de Goër, S. & Noailles, M.-C. (2008). Algues de Roscoff. pp. [1]-215, col. figs. Roscoff: Editions de la Station Biologique de Roscoff.

Pedroche, P.F., Silva, P.C., Aguilar Rosas, L.E., Dreckmann, K.M. & Aguilar Rosas, R. (2008). Catálogo de las algas benthónicas del Pacífico de México II. Phaeophycota. pp. [i-viii], i-vi, 15-146. Mexicali & Berkeley: Universidad Autónoma Metropolitana and University of California Berkeley.

Serio, D., Alongi, G., Catra, M., Cormaci, M. & Furnari, G. (2006). Changes in the benthic algal flora of Linosa Island (Straits of Sicily, Mediterranean Sea). Botanica Marina 49: 135-144.

Tsuda, R.T. (2004). Dictyota (Phaeophyceae) from Micronesia. In: Taxonomy of Economic Seaweeds with reference to the Pacific and other locations. (Abbott, I.A. & McDermid, K.J. Eds) Vol.9, pp. 41-56.

Womersley, H.B.S. (1987). The marine benthic flora of southern Australia. Part II. pp. 481, 169 figs, 1 table, 8 plates, 4 maps. Adelaide: South Australian Government Printing Division.

Basionym: Ulva dichotoma Hudson

Type locality: Walney Island, Lancashire, England (Silva, Basson & Moe 1996: 589).

Notes: According to Womersley (1987: 194), the type is from England: probably lost. According to De Clerck (2003), a neotype needs to be selected.