|  | Synonym |  | normoerica (Gunnerus) Lynge [Cetraria],Vidensk. Skrifter, Math.-Naturw. Kl. 7: 179. 1921 ≡ Cornicularia normoerica (Gunnerus) Du Rietz |  | 
                                                                        
                                        |  | Synonym (basionym) |  | normoericus Gunnerus [Lichen], Flora Norveg. 2: 123. 1772 ≡ Cornicularia normoerica (Gunnerus) Du Rietz | Type: (Norway), Lichen normoericus no 973 (TRH, holotype). | 
                                                                        
                                        |  | Synonym |  | norvegica (Lynge) Du Rietz [Cetraria], Bot. Not. 1924: 59. 1924 ≡ Platismatia norvegica (Lynge) W.L. Culb. & C.F. Culb. |  | 
                                                                        
                                        | 88 | Current name |  | norvegica (Lynge) W.L. Culb. & C.F. Culb. [Platismatia], Contr. U. S. Natl. Herb. 34: 543. 1968. |  | 
                                                                        
                                        |  | Synonym (basionym) |  | norvegica Lynge [Cetraria lacunosa Ach. f.], Vidensk. Skrifter, Math.-Naturw. Kl. 7: 196. 1921 ≡ Platismatia norvegica (Lynge) W.L. Culb. & C.F. Culb. | Type: Norway, Hordaland, Store Kalsø, 1920, Lynge (O, lectotype). | 
                                                                        
                                        | 89 | Current name | Totally unknown | nova-zelandiae (C. Knight) Zahlbr. [Cetraria], Catal. Lich. Univer. 6: 308, 1930. |  | 
                                                                        
                                        |  | Synonym (basionym) |  | nova-zelandiae C. Knight [Platysma], Trans. & Proc. New Zealand Inst. 8: 328. 1876 [1875] ≡ Cetraria nova-zelandiae (C. Knight) Zahlbr. | Type: | 
                                                                        
                                        | 90 | Current name |  | nuda (Hue) W.L. Culb. & C.F. Culb. [Cetrelia], Contr. U. S. Natl. Herb. 34: 513. 1968. |  | 
                                                                        
                                        |  | Synonym (basionym) |  | nudum Hue [Platysma collatum Nyl. f.], Nouv. Arch. Mus. Hist. Nat., Sér. 4, 1: 208. 1899 ≡ Cetrelia nuda (Hue) W.L. Culb. & C.F. Culb. | Type: Japan, Fujiyama, Faurie 569 (PC, lectotype) | 
                                                                        
                                        |  | Synonym |  | oakesiana (Tuck.) Hale [Tuckermannopsis], Bryologist 90: 164. 1987 ≡ Usnocetraria oakesiana (Tuck.) M.J. Lai & J.C. Wei |  | 
                                                                        
                                        | 91 | Current name | Cetrarioid core, position OK | oakesiana (Tuck.) M.J. Lai & J.C. Wei [Usnocetraria], in Lai, Qian & Xu,  J. Natnl Taiwan Mus. 60(1): 58. 2007. |  | 
                                                                        
                                        |  | Synonym |  | oakesiana (Tuck.) Randlane & A. Thell [Allocetraria], in Thell, Randlane, Kärnefelt, Gao & Saag, Flechten Follmann, Contributions to Lichenology in Honour of Gerhard Follmann (Cologne): 363. 1995 ≡ Usnocetraria oakesiana (Tuck.) M.J. Lai & J.C. Wei |  | 
                                                                        
                                        |  | Synonym (basionym) |  | oakesiana Tuck. [Cetraria], Boston J. Nat. Hist. 3: 445. 1841 ≡ Usnocetraria oakesiana (Tuck.) M.J. Lai & J.C. Wei | Type: USA, White Mts, 1839, Oakes (FH, lectotype). | 
                                                                        
                                        |  | Synonym |  | oakesianum (Tuck.) Nyl. [Platysma], Mém. Soc. Sci. Nat. Cherbourg 3: 172. 1855 ≡ Usnocetraria oakesiana (Tuck.) M.J. Lai & J.C. Wei |  | 
                                                                        
                                        | 92 | Current name | Cetrarioid core, position unclear | obtusata (Schaer.) Van den Boom & Sipman ["Cetraria"], Lichenologist 26: 106. 1994. |  |