| SN2000 author citation | : |  | (K.R. Mattox & K.D. Stewart, in D.E.G. Irvine & D.M. John, 1984) Doweld, 2001 | 
	
		| Unavailable original name | : |  | Stewart, K.D. & Mattox, K.R. 1978. BioSystems 10 (1-2): 150 (fig. 3). [class "Ulvaphyceae", name only]. | 
	
		| Unavailable original name & rank | : |  | Möhn, E. 1984. Syst. Phylog. Lebewesen 1: 138. ["Stamm Ulvaphyta", sine descr. Lat.]. | 
	
		| Unavailable original name, rank & spelling | : |  | Round, F.E. 1984. In D.E.G. Irvine & D.M. John (eds.), The Systematics of the Green Algae: 20, fig. 1. [division, name only]. | 
	
		| Subsequent rank (orig. spell.) | : |  | Doweld, A.B. 2001. Prosyll. Tracheophyt., Tent. Syst. Pl. Vasc.: LXXIII ("phyl. et stat. nov."). |