• Cetraria islandica (L.) Ach. b. thyreophora Ach. = [accepted name] Cetraria islandica (L.) Ach.


• Status of name: Synonym (heterotypic)
• Literature source: Lichenogr. Univers.: 512. 1810
• Type information: Sudetia, Mosig; H-ACH, lectotype
• Phylogenetic status:

• Cetraria islandica (L.) Ach. d. delisei Bory ex Schaer. ≡ [accepted name] Cetrariella delisei (Schaer.) Kärnefelt & A. Thell


• Status of name: Synonym (homotypic), basionym
• Literature source: Enum. Crit. Lich. Europ.: 16. 1850
• Type information: (Canada), Terreneuve (Newfoundland) ; Despreaux; 1829; UPS, lectotype
• Phylogenetic status:

• Cetraria islandica f. subtubulosa Fr. = [accepted name] Cetraria ericetorum Opiz


• Status of name: Synonym (heterotypic)
• Literature source: Lichenogr. Europaea reformata: 37. 1831 (nom. nud.)
• Type information: –
• Phylogenetic status:

• Cetraria islandica ssp. antarctica Kärnefelt


• Status of name: Accepted name
• Literature source: Opera Bot. 46: 90. 1979.
• Type information: Chile, Terra Magallanes, Rio Rubens; Santesson 5674; 1941; S, holotype
• Phylogenetic status:

• Cetraria islandica ssp. crispiformis (Räsänen) Kärnefelt


• Status of name: Accepted name
• Literature source: Opera Bot. 46: 94. 1979.
• Type information: –
• Phylogenetic status:

• Cetraria islandica ssp. islandica (L.) Ach.


• Status of name: Accepted name
• Literature source: Meth. Lich.: 293. 1803.
• Type information: –
• Phylogenetic status:

• Cetraria islandica ssp. orientalis (Asahina) Kärnefelt


• Status of name: Accepted name
• Literature source: Opera Bot. 46: 107. 1979.
• Type information: –
• Phylogenetic status:

• Cetraria islandica var. crispiformis Räsänen ≡ [accepted name] Cetraria islandica ssp. crispiformis (Räsänen) Kärnefelt


• Status of name: Synonym (homotypic), basionym
• Literature source: Ann. Soc. Bot. Soc. Zool.-Bot. Fenn. Vanamo 18(1): 19. 1943.
• Type information: Russia, Murmansk Region, Lapponia petsamoënsis, Petsamo, Kervanto, Lupuniemi; Räsänen; 1938; H, lectotype
• Phylogenetic status:

• Cetraria islandica var. orientalis Asahina ≡ [accepted name] Cetraria islandica ssp. orientalis (Asahina) Kärnefelt


• Status of name: Synonym (homotypic), basionym
• Literature source: in Satô, J. Jap. Bot. 14: 786. 1938.
• Type information: (Japan), Hokkaido, prov. Ishikari, Mt. Ashibetsu; Asahina; 1935; TNS, lectotype
• Phylogenetic status:

• Cetraria japonica Zahlbr. ≡ [accepted name] Cetrelia japonica (Zahlbr.) W.L. Culb. & C.F. Culb.


• Status of name: Synonym (homotypic), basionym
• Literature source: Ann. Mycol. 14: 60. 1916
• Type information: Japan, Prov. Kotsuke, Mt. Akagi; Yasuda; W, lectotype
• Phylogenetic status:

• phylogenetic status
• status of name
• name
• accepted name
• literature source
• type information