Marsupella apiculata Schiffn.

Synonyms: Cesia condensata Lindb.; Cesius apiculatus (Schiffn.) Bryhn; Gymnomitrion apiculatum (Schiffn.) K.Müll.; Gymnomitrion apiculatum (Schiffn.) Müll.Frib.; Gymnomitrion apiculatum var. laxior S.W.Arnell; Gymnomitrion condensatum (Lindb.) Breidl.; Marsupella apiculata var. gracilescens Schiffn.; Marsupella condensata Lindb.; Nardiocalyx apciulata (Schiffner) Jörg.; Nardiocalyx apiculata (Schiffn.) Jørg.; Sphenolobus minutus var. apiculatus (Schiffn.) Kern
Homonyms: Marsupella apiculata Schiffn.
Common names: Pointed Frostwort in English; suippupussisammal in Finnish; broddåmemose in Nynorsk, Norwegian; broddåmemose in Norwegian Bokmål; uddfrostmossa in Swedish; uddfrostmossa in Swedish; Pointed Frostwort in English; Pointed Frostwort in English

Hallingbäck (2016-06-06 22:00:00) Mossor - en fältguide.
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Missouri Botanical Garden (2016) Bryophytes in Tropicos. Online: http://www.tropicos.org/NameSearch.aspx?projectid=60
Missouri Botanical Garden (2016-06-06 22:00:00) Bryophytes in Tropicos.org
Stotler, Raymond, and Barbara Crandall-Stotler, 2017: A Synopsis of the Liverwort Flora of North America North of Mexico. Annals of the Missouri Botanical Garden, vol. 102, no. 4. 574-709.
Söderström, Hagborg, von Konrat, Bartholomew-Began, Bell, Briscoe, Brown, Cargill, Costa, Crandall-Stotler, Cooper, Dauphin, Engel, Feldberg, Glenny, Gradstein, He, Heinrichs, Hentschel, Ilkiu-Borges, Katagiri, Konstantinova, Larraín, Long, Nebel, Pócs, Puche, Reiner-Drehwald, Renner, Sass-Gyarmati, Schäfer-Verwimp, Moragues, Stotler, Sukkharak, Thiers, Uribe, Váňa, Villarreal, Wigginton, Zhang & Zhu (2020-02-14 09:59:00) World checklist of hornworts and liverworts
Söderström, L. & al. (+ 40 authors) (2016) World checklist of hornworts and liverworts. PhytoKeys 59: 1-828