| Class: | Ulvophyceae (ex Bryopsidophyceae) | 
																		
												  
						    | Description: | Thallus composed of fine siphons forming mat-like aggregations, up to 3 cm high. Branching of erect main siphons subdichotomous to irregular, width of erect siphons 100-200 μm and of lateral branchlets 30-60 μm. Trabeculae present in both the erect siphons and stolon. Stolon 250-300 μm diam., bearing very fine, short, rhizoids, 10 μm wide.  Download PDF from Algaebase
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							| Name History | Adjective (Latin), fastigiate, with branches clustered, parallel and erect, giving a narrow elongated habit (occasionally meaning branched reaching to the same height) (Stearn 1973). | 
						
												 
							| Biogeography | Atlantic islands (Bermuda, Canary islands), North America (Florida), Central America (Belize, Mexico, Panama), Caribbean islands, South America (Brazil, Venezuela), Africa, Indian Ocean. | 
						
						
						
												 
							| References | Copertino, M., Connell, S.D. & Cheshire, A. (2005). The prevalence and production of turf-forming algae on a temperate subtidal coast. Phycologia 44: 241-248. Dawes, C.J. & Mathieson, A.C. (2008). The seaweeds of Florida. pp. [i]- viii, [1]-591, [592], pls I-LI. Gainesville, Florida: University Press of Florida. Hodgson, L.M. Pham Huu Tri, Lewmanomont, K. & McDermid, K.J. (2004). Annotated checklist of species of Caulerpa and Caulerpella (Bryopsidales, Caulerpaceae) from Vietnam, Thailand and the Hawaiian Islands. In: Taxonomy of Economic Seaweeds with reference to the Pacific and other locations Volume IX. (Abbott, I.A. & McDermid, K.J. Eds) Vol.9, pp. 21-38. Pedroche, F.F., Silva, P.C., Aguilar-Rosas, L.E., Dreckmann, K.M. & Aguilar-Rosas, R. (2005). Catálogo de las algas marinas bentónicas del Pacífico de México. I. Chlorophycota. pp. i-viii, 17-146. Ensenada, México: Universidad Autónoma de Baja California. Silva, P.C., Basson, P.W. & Moe, R.L. (1996). Catalogue of the benthic marine algae of the Indian Ocean. University of California Publications in Botany 79: 1-1259. | 
												
						
						 
						    | Habitat: | Epiphytic on Halimeda simulans growing in shallow areas of mangrove | 
												
												
																		
												 
						  | Type information: | Type locality: Cuba (Lipkin & Silva 2002: 63). Type: Ramon de Sagra; PC (Lipkin & Silva 2002: 63). |