| SN2000 author citation | : |  | (Stewart & Mattox, 1975) P. Kenrick & P.R. Crane, 1997 ex Doweld, 2001 | 
	
		| Original name | : |  | Stewart & Mattox, 1975. Bot. Rev. 41: 110, 112, 115. [order Klebsormidiales]. | 
	
		| Unavailable subsequent rank (orig. spell.) | : |  | Kenrick, P. & Crane, P.R. 1997a. Orig. Early Divers. Land Pl.: table 7.1 (p. 228). [nom. nud.]. | 
	
		| Subsequent rank (orig. spell.) | : |  | Doweld, A.B. 2001. Prosyll. Tracheophyt., Tent. Syst. Pl. Vasc.: LXXIII ("phyl. nov."). |